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Alpine MRP-F300

V-Power Series 4-channel car amplifier — 50 watts RMS x 4

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Item #: 500MRPF300
 

Review Summary

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Our take on the Alpine MRP-F300

by Buck Pomerantz
Alpine

My system has plenty of power. Who needs an amp?

You might think you don't need an amp because you have a 400-watt system in your car, or because your new stereo puts out 50 watts a channel. But those are peak wattage ratings, which may boil down to 15 or 20 watts per channel, using the more realistic RMS rating. An amp sends your speakers the power they need to deliver your music with clarity and impact, whether you're using factory speakers or high-performance components. And low-frequency reproduction requires lots of power, so an amp is an absolute must if you're adding a sub to your system.

Alpine Authorized Online Dealer

V-Power amplifiers deliver the sound quality that made Alpine famous. Highly efficient power supplies housed in sleek black casings guarantee that these amps stand out in performance and appearance. The thermal management system dissipates heat and saves power, so your V-Power amp will run reliably for years to come.

The MRP-F300 4-channel amplifier sends 50 watts RMS to each of your front and rear speakers, or switches to 2-channel mode to power a pair of subwoofers. You can also switch to 3-channel mode, then power a subwoofer with 150 watts RMS while the other two channels power a pair of full-range speakers.

High- and low-pass filters put you in command of the frequencies that reach your speakers, while the bass boost is armed with plenty of low-end punch. Preamp- and speaker-level inputs allow you to connect this amp in almost any vehicle. Let a V-Power amplifier transform the sound of your car's audio system.

See more info on this item

Highlights:

  • 4-channel car amplifier
  • 50 watts RMS x 4 at 4 ohms (75 watts RMS x 4 at 2 ohms)
  • 150 watts RMS x 2 bridged output at 4 ohms (4-ohm stable in bridged mode)
  • 2-, 3-, or 4-channel output
  • variable high-pass/low-pass filters (50-400 Hz, 12 dB/octave)
  • selectable bass boost (12 dB at 50 Hz)
  • subsonic filter (15 Hz, 18 dB/octave for channels 3 & 4)
  • MOSFET power supply
  • CEA-2006 compliant
  • STAR Topology (minimizes internal noise and prevents ground interference)
  • speaker- and preamp-level inputs
  • gold-plated screw terminals
  • fuse rating: 25A x 2
  • 8-gauge power and ground leads recommended — wiring and hardware not included with amplifier
  • 10-11/16"W x 2-7/16"H x 9-9/16"D
  • warranty: 1 year
  • Our 60-day money-back guarantee

Note: Sorry, Crutchfield cannot ship Alpine products to Guam or Puerto Rico.

Hands-on research from the Crutchfield Labs (what are the Labs?)

Features and Specs
Performance
RMS Power Output (Watts x Channels)
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50 x 4
Peak Power Output (Watts x Channels)
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N/A
Power at 2 Ohms (Watts x Channels)
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75 x 4
Bridged Power (Watts x Channels)
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150 x 2
Minimum Impedance Bridged
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4
Minimum Impedance Unbridged
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2
Best Frequency Response
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20-20k Hz
THD at Rated RMS Power
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1%
Signal to Noise Ratio
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80 dB
Input Voltage
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14.4v
Features
Amplifier Class
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AB
Low-Pass Crossover Frequency
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50-400 Hz
Low-Pass Slope (dB/octave)
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12 dB/oct
High-Pass Crossover Frequency
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50-400 Hz
High-Pass Slope (dB/octave)
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12 dB/oct
Bass Boost
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+12 dB
Bass Boost Frequency
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50 Hz
Fan Cooled
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No
Fuse Rating
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50
Speaker Level Inputs
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Harness
Preamp Outputs
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1 pair
Width (inches)
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10-11/16
Height (inches)
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2-7/16
Depth (inches)
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9-9/16
Parts Warranty
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1 Year
Labor Warranty
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1 Year
Product Research
What's in the box?

Download owner's manual

  • Four channel amplifier
  • Two 25 amp fuses (installed)
  • 7" Speaker-level input harness (8-pin Molex plug on one end and bare wires on the other)
  • 2 Terminal covers
  • 4 Self-tapping hex-head screws (M4 x 20mm)
  • 4 Machine screws for securing terminal covers (M3 x 12mm)
  • Owner's Manual (English/French/Spanish)
  • Customer Care Registration card

Our Product Research Team

At Crutchfield, you'll get detailed, accurate information that's hard to find elsewhere. That's because we have our own in-house Product Research team — they open the box, verify contents, check the owner's manual, and record dimensions, features and specs. We stay on top of new products and technologies to help people make informed choices.

Features
Controls
Connections

Features

Power Supply: The MRP-F300 amplifier's power supply uses MOSFETs to convert DC battery voltage to the higher DC voltages needed for high power. It supplies positive and negative voltages around 0V, rather than around 6V as with conventional single-polarity power supplies. The result is higher power levels and a dynamic range wider by as much as 10dB.

Inputs: The amplifier offers both line-level and speaker-level inputs for 4 channels. The supplied speaker-level input harness allows you to connect this amplifier to a receiver without preamp outputs; aftermarket or factory.

Line Outputs: This amplifier has a pair of non-fading stereo RCA line outputs. You can use these outputs to daisy-chain another amplifier without having to run additional signal cables from the receiver.

Terminal Covers: The amp comes with two plastic covers that protect and insulate the RCA, power, and speaker connections. Four supplied machine screws attach the covers to the amplifier.

Controls

Gain Controls: This amp has independent front and rear channel gain controls.

Crossovers: Both front and rear channels have independent high-pass and low-pass crossovers. The crossover points are continuously variable from 50-400 Hz and the slope of both is 12dB/octave. Each set of channels has a high-pass/low-pass/off switch.

Subsonic Filter: This amp utilizes a subsonic filter at 15Hz to eliminate super low frequencies that can rob power and damage speakers. The subsonic filter operates at all times; it cannot be turned off.

Bass EQ: The Bass EQ circuit provides a fixed boost of 12dB at 50 Hz for the rear channels only. The Bass EQ can be turned off and does not function when the amp's rear-channel crossover is set to high-pass operation.

Connections

Left Side Of Amplifier:

  • GND (ground): gold-plated screw terminal, 0.33" wide
  • Battery: gold-plated screw terminal, 0.33" wide
  • Remote: gold-plated screw terminal, 0.33" wide
  • Speaker Outputs: gold-plated screw terminals (8), 0.33" wide

Note: Alpine recommends 8 gauge power and ground wire (minimum).

Right Side Of Amplifier:

  • Line Inputs: 2 pair of gold-plated stereo RCA jacks
  • Line Output: 1 pair of gold-plated stereo RCA jacks
  • Speaker Level Input: Molex plug input for supplied 4-pin harness
 
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Alpine MRP-F300 Reviews

Average Customer Review:

140 people say:

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Filter by rating:
5 out of 5

Best amp to date

Written By Aaron, Idaho falls, idabk on Monday, July 14, 2014
Crutchfield Customer Review (What's this?)
 
This was a fantastic product, was open box/scratch dent so I got 30 off retail and it had no scratches at all, this was a flawless product
Pros:
Everything
Cons:
None
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5 out of 5

Great amp for Bass

Written By FMS, Houston, Tx on Sunday, June 29, 2014
Crutchfield Customer Review (What's this?)
 
Great amp for bass. Great price
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5 out of 5

Alpine MRP-F300

Written By Anonymous, Flushing MI on Monday, June 23, 2014
Crutchfield Customer Review (What's this?)
 
Works well with two infinity marine speakers i installed on outside of my camper.
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4 out of 5

SQ is very good

Written By Anonymous, TN on Tuesday, June 17, 2014
Crutchfield Customer Review (What's this?)
 
If you are just powering door speakers, this is a very good amp. Sound Quality is excellent. It does not do a very good job with a single 10" JL Audio sub, however.
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4 out of 5

clean and clear 4 channel amp

Written By Willy, queens N.Y. on Tuesday, June 03, 2014
 
I bought this amp considering it had speaker level inputs and preamp output to connect to another clarion mono amp. I have infinity reference 6.5 components and coaxial in rear. The sound is very precise and clear. This amp makes these speakers loud and I wasn't expecting it. Great bang for the buck.
Pros:
Clean and clear, size, versatile, nice blue light when powers on.
Cons:
Mounting tabs broke cause its plastic, gets a bit hot.
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5 out of 5

Awesome Amp

Written By Jon S, West Chester, PA on Sunday, May 25, 2014
Crutchfield Customer Review (What's this?)
 
Never have had a bad experience with any alpine products. Well built and never overheats. As always, Crutchfiled offers the best customer support around.
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5 out of 5

Great Amp !!!!!

Written By Dan, New York , New York on Monday, May 19, 2014
Crutchfield Customer Review (What's this?)
 
The is a great amp, great sound !! Get it you will love it.
Pros:
Everything
Cons:
none
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3 out of 5

Great little amp

Written By Jim, Magnolia, tx on Saturday, May 17, 2014
Crutchfield Customer Review (What's this?)
 
Returned it for MRV-F300
Cons:
Old fashion connections
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5 out of 5

Alpine MRP-F300

Written By lazaro, miami, fl on Tuesday, May 13, 2014
Crutchfield Customer Review (What's this?)
 
Great power. Great sound
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5 out of 5

Great Product

Written By Keenan, Parker,CO on Sunday, May 11, 2014
Crutchfield Customer Review (What's this?)
 
This amp powers all 4 of my alpine speakers without any problems. I have no issues with the amp running hot, and I have plenty of power to run my speakers at high volumes. Alpine is definitely a brand to trust. Be careful when mounting the amp; the brackets can break. So far I have not had any issues with the amp mounted to my rear seat.
Pros:
Great product especially for the price.
Cons:
The mounting brackets are a little flimsy.
1 out of 1 people found this helpful
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4 out of 5

great amp

Written By didoski83, rock hill, sc on Saturday, May 10, 2014
Crutchfield Customer Review (What's this?)
 
This amp really brought my system to life!
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5 out of 5

Best bang for the Buck

Written By Aaron, Florida on Monday, April 28, 2014
Crutchfield Customer Review (What's this?)
 
A great choice for powering highs and mids @ 4 channels. won't make your ears bleed but loud and clean. Make sure channels 3&4 are NOT set for SUB OUT option on your head unit. May be why this amp got a few bad reviews. My Wrangler is rockin'! Thanks for the deal Crutchfield
Pros:
Clean power, Semi compact amp.
Cons:
None.
2 out of 2 people found this helpful
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5 out of 5

great amp

Written By Anonymous, Marysville, ca on Tuesday, April 15, 2014
Crutchfield Customer Review (What's this?)
 
I wanted my wife's car to have a system in it that sounds as good as the ones in today's new cars and it does now
Pros:
Great sound
Cons:
None
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1 out of 5

garbage

Written By everyday person, houston tx on Friday, April 11, 2014
Crutchfield Customer Review (What's this?)
 
by far the worst amp I have ever found I read the previous reviews and I just don't understand how can be given 5 stars I'm trying to push 4 speakers and this amp Just Wont do it, it keeps turning down,it was a Install at a local electronic store and they were just amazed As me, is not defective Is just not up for the challenge , when you install an amp is for a reason So why this amp would sound like a regular radio i just dont get it
Pros:
looks nice
Cons:
not strong enough to push 2 6x9 pionners 60 rms that Should be enough Info
1 out of 12 people found this helpful
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5 out of 5

Alpine MRP-F300

Written By Anonymous, Texarkana, AR on Wednesday, April 09, 2014
Crutchfield Customer Review (What's this?)
 
Very happy with this product. It is better than I expected for the money.
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5 out of 5

A solid reliable choice in power, great price

Written By flyguy, TN on Wednesday, April 09, 2014
Crutchfield Customer Review (What's this?)
 
I have always had a crush on the smaller Alpine amps. I have used these through the years in a lot of my systems. The key to this or any amp performance is a quality installation with quality wires. I bought this amp b/c it has H/L x-overs on both the front and rear channels. This amp does feature a bass boost function on channels 3 & 4. After some tuning, I decided not to use bass boost on the amp on the kicker 6x9's and use the more adjustable audio functions in the radio, and set the x-overs on the amp as back up if the radio ever got reset. The end caps hide/protect the connections on both sides of the amp. This amp was a good size , but easily fit under the pass seat of my 04 Ram quad cab.
Pros:
Reliable Alpine quality, great features for the price. the gains came preset at 50%. After getting the new radio, amp & speakers installed, i tweaked on it for a while and decided to turn off the bass boost in the amp, and set the gains at 50%. This should be plenty of power for most 4 channel mids/highs set up. This amp could provide a reasonable amount of power in a 3 channel setup, (small sub, a pair of separates)
Cons:
Be careful when installing them on a uneven truck floor through carpet etc, one of my screws was too short, thus breaking the little plastic mounting tab on one corner of the amp. no big deal, you never know it because of the end caps covering up the mounting screws and connections.
1 out of 1 people found this helpful
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5 out of 5

Clean power

Written By Ufengineer, Florida on Monday, April 07, 2014
Crutchfield Customer Review (What's this?)
 
Simple clean efficient power. I have two of these amps and have been happy with both of them.
Pros:
Small footprint, clean and efficient power
Cons:
None
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5 out of 5

Nice punch

Written By JoeC, telford,pa on Friday, April 04, 2014
Crutchfield Customer Review (What's this?)
 
added nice punch to kicker 5 1/4 speakers and running sub as well. easy install, built in cross over makes for easy tuning
Pros:
added punch to system, easy install. great value
Cons:
none
1 out of 1 people found this helpful
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5 out of 5

Are you serious?

Written By Impressed in CA, California on Wednesday, April 02, 2014
Crutchfield Customer Review (What's this?)
 
I have Alpine SPS 610 C component speakers in the front doors and Alpine SPS 610 Coaxial speakers in the rear of my 1996 Tacoma pickup. The speakers are rated 80 Watts RMS. My 22 Watt RMS Kenwood head unit was just not up to the task of bringing out the best in these speakers. I decided to look for an Amp to help these speakers sing. I talked to several of the extremely helpful CSRs at Crutchfiled before making my choice. Some of them suggested the the Alpine MRP-F300. My biggest concern was that the Amp have enough power to push the 80 Watt RMS Alpine speakers. I am not talking about blowing out my neighbors but giving me strong, clear sound. I was not sure the Alpine MRP-F300 at 50 Watts RMS would have enough UUUMPH. I finally talked to Marshall who listened very intently to what I wanted. After a thorough discussion of my system and what I was trying to accomplish both now and as I add a sub he agreed the Alpine MRP-F300 Amp was a good fit. So I tore everything out of my truck cab and wired it for the amp with great anticipation. The moment of truth came when I fired up my system with Joe Walsh's Funk #49. I was BLOWN AWAY! I have been listening to this song since it was first cut and I was now hearing nuisances I had never heard before, not just loud but clear. Are you serious? I would have never thought that this 50 Watt Amp would make these 80 Watt speakers sing so beautifully. But it overwhelmingly does. Get one of these amps while they are still available!
Pros:
Strong, Clear sound. Well built. It's an Alpine...
Cons:
Are you serious?
1 out of 1 people found this helpful
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5 out of 5

Alpine MRP-F300

Written By Lars, Mansfield on Tuesday, April 01, 2014
Crutchfield Customer Review (What's this?)
 
I drive a 50 year old car as my daily driver. It's a 1963 VW Beetle. From the factory it had a radio delete plate, and I didn't want to change the dash or have to listen to commercials or dj chatter .... So I bought this little amp and was able to hide it and the speakers and just plug it up to my Iphone when I'm in the car.... Works great..!!! If your going for some record breaking db level, this may not be the amp for you...., but it's plenty loud for me. My wife and kids all keep telling me to turn it down... This amp small = great Plenty of power = great Since I've been running it it's been cool or warm to the touch, not hot at all...= great Price = great I could not be happier !!!!
Pros:
Small, cheap, Quality brand, works great,
Cons:
I have nothing bad to say about this amp or the service from Crutchfield....
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5 out of 5

Great amp

Written By kevin k, Winner sd on Monday, March 31, 2014
Crutchfield Customer Review (What's this?)
 
I have it running my door speakers and they sound awesome would recommend to anyone looking for a small amp
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5 out of 5

crisp clear sound on a budget

Written By robert, lawrence, Ma on Friday, March 28, 2014
Crutchfield Customer Review (What's this?)
 
Within all honesty alpine has blown me away with this one. They are able to pack so much power into such a small amp thats its amazing. I was running a r300-4 by rockford and let me tell you this one beats it out of the water. This thing took 6 hours of abuse and still ran pretty cool. This is a bargain for the price!
Pros:
Compact design. Really puts out stated power. Price is unbeatable.
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4 out of 5

Good enough for my needs

Written By Anonymous, Iowa on Friday, March 14, 2014
Crutchfield Customer Review (What's this?)
 
A good overall buy especially since it was discounted. Sounds great on my four infinity ref-8602cfx speakers and no complaints. Great adjustability as well. Gets warm when it's played at loud volumes for a while but I haven't ran into any issues yet.
Pros:
Great price. Good value. Sounds good. Looks good and doesn't feel too cheap
Cons:
None
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5 out of 5

Great Amp!

Written By Chris, Atlanta, GA on Wednesday, February 26, 2014
Crutchfield Customer Review (What's this?)
 
Great amplifier to power Polk Audio DXi571. This was recommended to me with the Polk speakers to go into my 1998 F-150, it is a perfect fit!
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5 out of 5

Mighty Amp, Small Size

Written By DayGuy J, Washington, DC on Tuesday, February 25, 2014
Crutchfield Customer Review (What's this?)
 
I purchased this amp to replace an aging Orion 5 channel that had served it's purpose after 10 years and two different cars. I was replacing the complete sound system and wanted a reliable amp to power my separates front and rear. My old amp was monster in size, and always ran hot. I know of Alpine's reputation as a leader in this field. I reviewed the amp extensively at a local vendor and read review after review before making a final decision. I ordered it and had free 2 day shipping, giving me enough time to prep my vehicle for the install. Install was a breeze, setting it up alongside the 2 Alpine MRV-M500 amps for my subs.

Overall I am very satisfied with my experience with Crutchfield, prices are competitive. They are very knowledgeable in providing full details of products.

As for the amp, I am currently waiting on sound deadening for my car, and going to do a similar install on my brother' car in the coming week(end).
Pros:
Price, size, performance
Cons:
None noted
1 out of 1 people found this helpful
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5 out of 5

4-Channel Use

Written By Chris M., Massachusetts on Tuesday, February 25, 2014
Crutchfield Customer Review (What's this?)
 
Recommended by the Crutchfield staff. Absolutely no clue how to upgrade my sound. Kept my factory HU, upgraded door speakers and added a mono amp/sub. Powers my speakers amazingly. Max volume before speakers, 33. I can actually surpass that volume at 15. A very noticeable cleaner and more quality sound. Would recommend to any person wanting to add power to their speakers at a very reasonable price.
Pros:
Price, Quality, Size
Cons:
N/A
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4 out of 5

Alpine MRP-F300

Written By Anonymous, Greater Cincy on Monday, February 10, 2014
Crutchfield Customer Review (What's this?)
 
It went easy, was a great price, fast and free shipping. What's not to like?
Pros:
Price, size, looks
Cons:
None yet
1 out of 1 people found this helpful
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5 out of 5

Great amp for what I was looking for

Written By Skyclmbr, Fontana, CA on Monday, February 10, 2014
Crutchfield Customer Review (What's this?)
 
Received the amp DOA with the front channel. Crutchfield's service team sent a replacement right a way. "Thank you Crutchield". The replacement works like a charm. I have always used Alpine amps without hesitation due to their performance. This amp delivers for the low price. I am an audiophile listener at home. And this amp does just fine.
Pros:
Easy to set and the power is perfect for my situation.
1 out of 1 people found this helpful
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5 out of 5

like it

Written By nickg, Laurel. md on Sunday, February 09, 2014
Crutchfield Customer Review (What's this?)
 
Very nice, speakers are much louder and really clean. There isn't a volume that sub over powers the mid/highs like when my head unit was powering them. sub:Kicker CVR154 w/ Fosgate P400-1 speaker: Rockford Fosgate PRIME R1693 & Punch P132
Pros:
everything
1 out of 1 people found this helpful
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5 out of 5

Alpine

Written By Anonymous, Memphis on Tuesday, February 04, 2014
Crutchfield Customer Review (What's this?)
 
This is a very good powerful amp. Good deal for the price.
Pros:
Powerful
Cons:
None
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4 out of 5

Alpine Mrp-F300

Written By Carl, California on Tuesday, February 04, 2014
Crutchfield Customer Review (What's this?)
 
Well built unit would have come with a 5 star rating if there had been a wiring kit available mainly a 70 amp fuse, a remote cable and grounding strap
Pros:
Excellent value. discount on manufacturers retail price , excellent customer service which then recommended a full price replacement. Not really in my budget so will have to wait and see if the recommended unit goes on sale or the customer service will discount the recommended replacement.
Cons:
Too big for my application wish all dimensions were displayed on the website and no available wiring kit
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5 out of 5

Alpine MRP-F300

Written By Jason, College Station, TX on Monday, February 03, 2014
Crutchfield Customer Review (What's this?)
 
Great amp! I'm using it to run a Sound Ordinance component set and a polk 10 inch sub. Sounds great.
Pros:
Great sound and price
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5 out of 5

Alpine greatest name on the market

Written By Nick, San Antonio,TX on Saturday, February 01, 2014
Crutchfield Customer Review (What's this?)
 
Pushes my 10' subs super hard. Plenty of wattage for your buck. Worth every penny..
Pros:
Small enough to hide under my seat with limited space, powerful enough to push any size speaker
Cons:
n/a
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5 out of 5

Nice Amp to Wake up your stereo!

Written By Al, Enid, Ok. on Thursday, January 30, 2014
Crutchfield Customer Review (What's this?)
 
I have purchased 2 of these in recent years and really been satisfied with each of the vehicles I installed them in. Adds a nice punch to an aftermarket head unit. I may not win any contests, but I love the good Clean Sound. Love my Alpines!!
Pros:
Adds a Nice Punch in a compact space and at a Great Price. Very satisfied.
Cons:
None
1 out of 1 people found this helpful
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5 out of 5

Alpine Always!!!!

Written By Jay, Valley, AL. on Wednesday, January 29, 2014
Crutchfield Customer Review (What's this?)
 
Does more than I need it to do on two sets of JBL 2ohn P226S 2 way coaxials
Pros:
Lots of power!!!!!! Great Price!!!!!
Cons:
None!!!!
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5 out of 5

Alpine amp

Written By Randy S, Worland Wy on Sunday, January 26, 2014
Crutchfield Customer Review (What's this?)
 
Alpine amp
Pros:
Unbelievable crystal clear power from this amp. Works excellent with Kicker 6.5's.
Cons:
N/a
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5 out of 5

nice pre amp

Written By VERY CLEAR CRISP SOUND, okc ok on Saturday, January 18, 2014
 
HAD THE PRE AMP AND SPEAKERS PUT IN BEFORE I MOVED TO THE STEREO HEAD AND BACK UP CAMERA
Pros:
LOUD CRISP CLEAR SOUND.
Cons:
TAKES UP NEEDED SPACE UNDER THE DASH.
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5 out of 5

Really nice

Written By Anonymous, Sumter SC on Friday, January 17, 2014
Crutchfield Customer Review (What's this?)
 
Very nice, small amp. I've got it driving two 4", two 4x6", two 6.5", and two 6x9"s and it still puts out more power than I can tolerate.
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5 out of 5

Good amp for the money

Written By Josh, Tn on Wednesday, January 08, 2014
 
Purchased this amp to run my infinity kappa compinetns in the front and kappa coaxials in the rear of my 06 tacoma. Running it off of a premier head unit with 4 volt output with internal MOSFET amp. This amp is clean with no noise no pops or thumps of any kind. I can crank it further than what my ears can handle. It also fit Nicole under my driver seat of my tacoma access cab with no trouble at all and isn't even visible. I was nervous about buying this amp due to the cheap price but man am I glad I did.
Pros:
Great amp for the price and compact size.
Cons:
None
4 out of 4 people found this helpful
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5 out of 5

Alpine

Written By P, Santa Ana, CA on Saturday, January 04, 2014
Crutchfield Customer Review (What's this?)
 
This is one of the most powerful amps. Nice clean sound is beautiful
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5 out of 5

Solid amp for the price

Written By txfast121, Euless, TX on Sunday, December 29, 2013
Crutchfield Customer Review (What's this?)
 
This has been a great amp. I installed it in my wifes 2012 Hyundai Elantra to run some Infinity Reference series components in the front doors and Kicker coaxials in the rear. Sound is loud and clear. My wife listens to it pretty loud during her 45 minute commute and even during scorching summer temperatures it has never overheated.
Pros:
Great amp for the price range, looks really good with end caps to conceal wiring.
Cons:
None at this price point
1 out of 1 people found this helpful
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5 out of 5

Amazing clarity to aftermarket speakers!

Written By Joey P, Cincinnati, OH on Thursday, December 19, 2013
Crutchfield Customer Review (What's this?)
 
One of my door speakers blew in my 2002 Mustang GT with the Mach 460, so I just decided to replace the whole system since you can't find OEM replacement parts for the Mach 460 anymore. I replaced the 2 factory amps with just one of these amps and WOW did it really help wake up all 4 speakers. I also replaced all 4 speakers with Kicker CS68 speakers, and I also replaced the stock head unit with an Alpine HD137BT head unit. This amp went great with all the other new components. All the other 4 channel amps that I looked at were more expensive and I couldn't be happier with my purchase. Don't ever hesitate to buy anything Alpine, they're always #1 to me when choosing car audio products. My system now sounds 100 times better than the original Mach 460.
Pros:
Provides great power to all 4 speakers. Adds much more bass to all Speakers. Blends in well with the carpet in my trunk.
Cons:
NONE!
5 out of 5 people found this helpful
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5 out of 5

powering 4 JBL GTO 6.5 speakers

Written By mjberger, Phoenix, AZ on Wednesday, December 18, 2013
Crutchfield Customer Review (What's this?)
 
I recently updated my stock HU with a Kenwood and replaced my stock speakers with 4 JBL GTO 6.5 3-way speakers. They sounded really nice without the amp powering them, but WOW...when I installed the amp to all 4 speakers the sound really increased in quality. Everything is crystal clear and even the bass is much improved with the smaller speakers I don't think I'll put in any kind of sub. My speakers are 2 ohm so these actually put out 75 watts RMS to 2 ohm speakers which is perfect for the speakers that I have.
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5 out of 5

Great History

Written By Chris L, Richmond, VA on Wednesday, December 18, 2013
 
This is a great little amp and for the price is a steal! I purchased my first one a few years ago and had it driving two Alpine type R 12's in a 96 Landcruiser. It was waaay more than I needed but I didn't find myself downsizing the system. That same amp is driving 4 10" JL Subs now in the same vehicle driven and listened to everyday by my brother. Reliable.

This purchase was for my 4Runner and driving a 2-ohm JL W3 10" sub. It's a perfect match for power, small footprint and easy to tune. It would be nice if it had a parametric adjustment to the boost but that's pretty picky in the price range.
Pros:
Price, size, ease of installation, clean look - ALPINE
Cons:
None
1 out of 1 people found this helpful
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5 out of 5

great amp and great service

Written By Dan, NY on Thursday, December 12, 2013
Crutchfield Customer Review (What's this?)
 
I have ordered from Crutchfield many times and they not only have awesome pricing, and fast delivery, but anytime I have a questions their customer service reps and tech team went above and beyond. I've wanted this amp for a while. I signed up for their emails and when I saw the deal on this, I jumped on it. I love dealing with them and I LOVE this amp!
Pros:
Great amp and great service
Cons:
None
1 out of 1 people found this helpful
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4 out of 5

Price point for Success

Written By Cody, Gainesville on Sunday, October 27, 2013
Crutchfield Customer Review (What's this?)
 
I do not know a whole lot about what makes a good amp for normal speakers. But i tell you the customer service they run here really know their stuff. So i gotta say when i plugged everything in which was a breeze~ i was really blown away by the fact it was clear sharp and loud. :) I have my amp Gaines turned Down to basically nothing when i crank my radio it really does shine.
Pros:
everything works perfect
Cons:
nothing!
1 out of 1 people found this helpful
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5 out of 5

Alpine MRP-F300

Written By Anonymous, Webster, NY on Saturday, October 05, 2013
Crutchfield Customer Review (What's this?)
 
Sounds amazing in my Ranger with an Alpine head unit, JL 5x7s and a Rockford Fosgate 8" sub. Easy to install and plenty of power!
Pros:
Compact and powerful!
Cons:
None
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4 out of 5

Good, clean power

Written By Zack, Billerica, Massachusetts on Tuesday, October 01, 2013
Crutchfield Customer Review (What's this?)
 
Great amp for the money. Delivers more than enough power to my 4 Boston Acoustics 6x8's (each rated at 50 watts rms). The beauty in this amp is the ability to play at 75 watts x4 (2 ohms) or bridge it and get more power. High and low pass filters mean you get exactly the sound you want coming from each speaker. Cranking the gain results in crazy volumes, at least in my speakers. This amp makes me question whether or not my speakers can really handle 160 watts peak. I have to put the gain down a lot to be able to use the full volume range of my head unit without distortion. I ended up raising the gain and only using volumes 1-30 on the unit (goes to 50). Other than the great power, this amp transfers great quality as well. It also looks good, and is small enough to fit under a seat or anywhere else, really. Installation was a little tricky, considering i had to use connectors on every wire (may have been my fault for using too thick of speaker wire, though.
Pros:
Great power, clean signal, great look, small size, filters, bass eq, plenty of gain control, barely heats up
Cons:
installation was tricky, small wire terminals, can probably blow my speakers easily (not really a con, probably my own fault, again)
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5 out of 5

Perfect!

Written By JP, Wayne, MI on Tuesday, September 24, 2013
Crutchfield Customer Review (What's this?)
 
Easy to install, sounds amazing with my Pioneer DEH-X6500BT HU and Kicker CS65 door speakers!
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5 out of 5

MRP-F300

Written By JohnnyS, Michigan on Sunday, September 08, 2013
Crutchfield Customer Review (What's this?)
 
Finally my speakers and amps are installed. I'm running 4 Polk 571's and 2 1001's through the MRP-F300 at 2 ohms. Infinity BassLink completes the ensemble. The Alpine powers those speakers with no issues. I'll spare any boring details as those that know Alpine, know quality. If your running speakers off just the head unit, the Alpine will provide quite a surprise in the boost of sound quality. The professional I had install the system had nothing but positive comments. Special thanks to CRUTCHFIELD for many hours of patience in answering ALL of my questions and providing advice on having a solid setup without breaking the bank. MY SYSTEM RIPS.
Pros:
No disappointments.
Cons:
None
1 out of 1 people found this helpful
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5 out of 5

Alpine

Written By aag007, Tucson, AZ on Saturday, September 07, 2013
Crutchfield Customer Review (What's this?)
 
i like
1 out of 3 people found this helpful
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5 out of 5

Great amp!

Written By P, San Diego on Tuesday, September 03, 2013
Crutchfield Customer Review (What's this?)
 
Great amp! Very easy to install, doesn't heat up to much and makes my deck sound better. Highly recommend adding a sub if you don't have one now.
Pros:
Easy to install. Good directions. Great sound.
Cons:
None so far
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4 out of 5

Alpine MRp-F300

Written By Robert, Berkeley springs on Friday, August 30, 2013
Crutchfield Customer Review (What's this?)
 
Easy hook up. Looked great and with the terminal covers hiding the wiring keeps the amp looking clean. Really adds some sound to my alpine type R speakers.
Pros:
Great looking, and sounding.
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5 out of 5

sweet amp

Written By JodyD, Houma La on Wednesday, August 28, 2013
Crutchfield Customer Review (What's this?)
 
I have this amp installed in a 2012 ford f-150 super crew. Its mounted under my front passenger seat powering 4 memphis m-class 5x7" coax. speakers ( with the external crossovers). It is running off of my factory deck so i used some PAC line converters. This amp make my speakers scream clarity. The speakers are rated for 50w rms and that is what the amp pushes. I could not ask for better. There is not much room under my seats to mount an amp but it def. fit with a piece of painted black 3/4" mdf board that the amp is screwed down to (had to lift the amp a little for the speaker terminals to clear the seat mounts on the floor). Installs clean and neat. I also have a mrp-m500 pushing one 10" phoenix gold in a custom ported box that is under the driverside rear seat. There was just enough room to mount the amp on the passenger side under the rear seat. All in all the whole package is awsome. Oh and just to help, so you do not have a head ache if you decide to install an aftermarket amp on a factory deck, go and get yourself what is called add a circuit or add a fuse and install that inplace of a fuse in you panel that works with the ignition. There is a wire that comes off it that can be hooked up to the remote wire to turn that amp on and off, and you stab you previous fuse into that and if you would like you can install another fuse for the remote wire there are two slots. Thanks Crutchfield for that tip it helped out!!!
Pros:
sounds awsome, small size, plenty of power
Cons:
does not accept 4ga. power and ground wire you will have to somehow find some connectors or clip back the wire to fit in the terminal
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5 out of 5

Alpine amp

Written By Anonymous, Nogales, az on Monday, August 26, 2013
Crutchfield Customer Review (What's this?)
 
Very nice unit, condensed size with plenty of clean power, easy install
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5 out of 5

Worth way more than I paid for it!

Written By Lew, Montana on Monday, August 26, 2013
Crutchfield Customer Review (What's this?)
 
I bought this on sale. I wasn't even going to buy an amp because I was just going to upgrade my stock deck to a low end Kenwood and run off deck power, but the deal was too good to pass up, so I bought them both. I initially just used this as a 4 channel amp to power four 6 1/2" Eclipse speakers that came with the car when I bought it. I only turned the gain knob up maybe an 1/8 of the way before it was too much power to the speakers, but the sound quality and volume was 100% better than the stock deck. Out of curiosity, and the search for just a little more low end, I picked up a pawn shop Kenwood 10" sub for $30. I put all four 6 1/2s on channels 1 and 2, and bridged the sub on to 3 and 4(after a call to Crutchfield to check and see if technically could, of course). WOW! The Eclipse speakers, that sounded like they were blown with the stock deck, got even clearer and louder and the sub pumps! I think this is the clearest, most balanced system I have ever put together in 20 years. Not the loudest, but for a total of $260 (deck, amp, sub), I could not be happier.
Pros:
Incredible value, easy install, crossovers and gain adjustments work wonderfully
Cons:
none yet
1 out of 1 people found this helpful
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5 out of 5

MRP-F300

Written By sacfive, Va. Beach on Sunday, August 25, 2013
Crutchfield Customer Review (What's this?)
 
This is the second amp I have purchased. It is an outstanding value and has great enhancement quality. I would recommend this and any other Alpine products highly.
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4 out of 5

alpine amp

Written By jesse, Kyle TX on Sunday, August 25, 2013
Crutchfield Customer Review (What's this?)
 
Great amp for the price.
Pros:
Sounds good
Cons:
The plastic holes to secure amp to metal or to MDF board. They should be metal holes
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5 out of 5

Alpine 4 channel amp

Written By Birddogstowing, Carnesville, GA on Saturday, August 17, 2013
Crutchfield Customer Review (What's this?)
 
Very good choice for my JBL 6.5 and 6X9 speakers. Good clean sound. Very good amp.
Pros:
Easy hook up. Very good sound. Doesn't run hot.
Cons:
Only thing is it has hook ups on both sides and is hard to hire the wires in my set up.
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5 out of 5

Great purchase all around.

Written By Dave, Grand Rapids, MI on Thursday, August 15, 2013
Crutchfield Customer Review (What's this?)
 
What a deal on a great amp. Running an Alpine component set and 6.5" coax, coupled with a 500x1 Alpine, this car really rocks. Easy install, great sound, barely even gets warm under heavy use. Thanks to Crutchfield for help getting all the proper installation materials. 100% satisfied.
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5 out of 5

AWESOME LITTLE AMP!!

Written By Evan, Indian Trail, NC on Sunday, August 11, 2013
Crutchfield Customer Review (What's this?)
 
Great little Amp! provides just enough power, no overkill! just clean power!! Easy to install! small enough to fit under any seat!!! Great Price!!!
Pros:
Everything!
Cons:
Nothing!
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5 out of 5

alpine mrp-f3000

Written By carldogs, stamford ct on Saturday, July 13, 2013
Crutchfield Customer Review (What's this?)
 
I have it in a 1999 Honda accord sedan. it sounds excellent!!! and was very reasonably priced! the car has a 6 speaker system,it powers all of them, again it sounds assume!!! carl dogs
Pros:
every thing!!! p.s. it won't blow your windows out, its only 50 watts but you can crank it and its clean,its loud enuf!!!
Cons:
none
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5 out of 5

Great product

Written By Michael, Greensburg, Pa on Monday, July 08, 2013
Crutchfield Customer Review (What's this?)
 
Sounds great. Nice install. Necessity for a loud, clean, and crisp sound system
Pros:
Easy install, cheap price for high quality
1 out of 1 people found this helpful
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5 out of 5

Alpine MRP-F300 amp

Written By Eugene C, Plano, TX on Thursday, July 04, 2013
Crutchfield Customer Review (What's this?)
 
Nice amp for the price. Gives more definition to the sound than the head unit itself.
Pros:
Good sound, easy to tune and install.
1 out of 1 people found this helpful
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5 out of 5

Alpine MRP-F300 Amp

Written By boater, Anaheim, CA on Monday, June 24, 2013
Crutchfield Customer Review (What's this?)
 
Great amp for the price. Have this amp paired with my Alpine CDE-143BT stereo that rocks four Alpine SPR-M700 marine speakers. The amp exceeded my expectations for the system on my boat.
Pros:
Easy installation Power Price
Cons:
None
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5 out of 5

Powerful compact amp!

Written By Dustin, Geneseo, ny on Friday, June 21, 2013
Crutchfield Customer Review (What's this?)
 
I replaced my old worn out kicker ix404 and wow what a difference! The amp is powering 2 component speakers and 2 full range and the sound clarity is phenomenal. The kicker was a good amp but I was pleasantly surprised with how much power this little amp packs for such a small amp. Thanks crutchfield!
Pros:
Sound clarity, power, and price.
Cons:
No treble mid or bass adjustments on amp, but the eq on my cda 105 takes care of most of the work
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5 out of 5

Alpine MRP-F300 - solid amp

Written By zlordraptor, program manager on Monday, June 17, 2013
Crutchfield Customer Review (What's this?)
 
If you are looking for a solid 4-channel amp, then the Alpine MRP-F300 is it. Don't be fooled by 50 watts RMS, the Alpine MRP-F300, tuned correctly, can max-out any set of speakers' dBs, mids and tweets, and turn'em into a gut wrenching, eardrum piercing experience. The adjustment features are perhaps one of the best things about the Alpine MRP-F300, with total control of filters, crossovers, and gain, there is no reason why you can't get the exact sound you're looking for, plus, spec-for-spec, you can't beat the price of this 4-channal amp. Need proof, take it from me, I ought to know, this is the second Alpine MRP-F300 I've purchased.
Pros:
clean, clear, and loud!
Cons:
nada!
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5 out of 5

never had a problem with alpines amps

Written By Josh, Michigan on Thursday, June 13, 2013
Crutchfield Customer Review (What's this?)
 
I love this amp.Easy install because of its small size,easy to tune,looks great.The only thing is the i wish it had the terminals that you run a set screw into the wire. other than that yes it powers everything great.using focal polyglass cvx 100 4 inch speakers in combination,by the way,they sound amazing....thanks crutchfield for suppling the amp at a great price and with great customer service,and thank you alpine for continuing to make a great product
Pros:
Simple to use and install
Cons:
terminals could be better
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4 out of 5

F300

Written By Mike, Texas on Sunday, May 12, 2013
Crutchfield Customer Review (What's this?)
 
great amp. wish the amp had better power and ground terminals, otherwise great amp
Pros:
great sound
Cons:
terminals could be better for large gauge power and ground cable
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5 out of 5

Nice small amp

Written By Davey, Topeka, Ks on Tuesday, May 07, 2013
Crutchfield Customer Review (What's this?)
 
upgraded from an old amp. Clarity is the first thing I noticed. Small footprint will fit just about anywhere.
Pros:
Nice clear highs and lows
Cons:
none
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5 out of 5

amp

Written By reddawg, rogersville al on Sunday, April 28, 2013
Crutchfield Customer Review (What's this?)
 
push 4 infinity kappas great...nice amp
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5 out of 5

Very nice amp

Written By Matt, Colusa, CA on Thursday, April 18, 2013
Crutchfield Customer Review (What's this?)
 
I am using this amp for my 2003 ford ranger. I changed the cabin speakers for the Kicker 5x8 factory replacement and this amp does a very nice job of powering them, it sounds great. Very nice amp for the price. Have had absolutely no trouble with any part of this amp and it sounds great.
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5 out of 5

Great Amp

Written By Alan, San Antonio, TX on Tuesday, April 16, 2013
Crutchfield Customer Review (What's this?)
 
Works great my system is outstanding!!!!!!
Pros:
Everything
Cons:
None
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5 out of 5

Great little amp

Written By Alex8a, Manteca CA on Saturday, April 13, 2013
Crutchfield Customer Review (What's this?)
 
This is a great little amp that fit nicely tucked away in my trunk. I am running 2 Pioneer 6x9s and 2 Pioneer 61/2s in my Honda Accord coupe and it sounds like I have a full blown system. This amp really pushes my speakers hard with clear powerful highs and rumbling lows that shake my rear view mirror like a sub is in the trunk. I would definitely recommend this amp to someone that wants to upgrade their stock system to something that really rocks.
Pros:
Small size that fits anywhere. Powerful clean sound.
Cons:
Small connection points make it difficult to connect lower gauge wires.
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5 out of 5

Absolutely worth it

Written By CntryJp, Mobile, AL on Saturday, March 09, 2013
Crutchfield Customer Review (What's this?)
 
There's not much to say in the way of details -- Crutchfield has already done a good job of supplying any info you need to know up front. Suffice it to say that the amp delivers what it promises in a nice, small package. I love this amp!
Pros:
Small form-factor -- fits under the passenger seat of my 2001 Honda Insight. Easy to access connectors. Easy to read information along each side of the amp.
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5 out of 5

Alpine MRP-F300

Written By Mike, Tx on Thursday, March 07, 2013
Crutchfield Customer Review (What's this?)
 
Excellent, upgraded to add a little extra power.
Cons:
Has extra jacks for my powered sub
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5 out of 5

Great little amp WELL WORTH THE MONEY!!!!!

Written By Joe d., northport fl on Saturday, March 02, 2013
Crutchfield Customer Review (What's this?)
 
its been along time since i bought a amp i am 40 years young now had lots of amps when i was in high school but since i only always upgraded speakers an head units an they sound ok mutch better than stock and when i do somthing i do it right, this amp amazed me for the money! i have a 2012 suzuki equater crew cab truck (nissian frontier with zuk badging). installed a kenwood kdc-hd545u head unit got from crutchfield a few years ago great unit 4 single din. installed mtx 6 9 in front doors that i also had for about 7 years (was installed in my old honda suprised they were in as good cond as they were) also installed new polk audio dxi 650 in rear door got all mounting instructions and panel tool with order. instalation was a treamendous help would have never been able to do it as neat or as easy without crutchfields help. now when i first fired the amp up i was extreamly impressed then after i got the amps gain settings set WoW the clairity i was just amazed even when i faded rear new polks out and just listened to old setup with just amp installed was amazed and alot more punch than i expected for just 50 w per channel, with the polks sounded even better filled the cab with full sound but they a have little trouble handelin bass at loud volumes mtx 6 9 are a bassy speaker so works good for me till i can get a sub. not running crossover settings yet but did play with them they work very well alot better than the stuff i remember back in 90"s next step is getting a 10 sub.
Pros:
love the amp. amazing clarity!!!! best little amp 4 the money looked at alot of amps an and did alot of compairing could not come close to it unless i spent twice the money.also gonna get matching mrp-500. alpines 500 watt mono amp if it is as good as this one it will be all i need for my small truck. caint wait till i get rest of system in place will sound great thanks crutchfield for all the help...
Cons:
only thing i can say is i read some reviews the plastic monting feet seem to break off i had no problems yet but you got to be careful when mounting and can not hammer mechanic it.:) they seem durable to me and i screwed it right to the floor under rear seat and it was not a real flat surface just b careful i was easy on the mounting did not over torq but i can see why people might have problems . mine is very sturdy dont move or vibrate
5 out of 5 people found this helpful
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5 out of 5

Alpine MRP-F300

Written By MikeD, Columbus, Ohio on Sunday, February 17, 2013
Crutchfield Customer Review (What's this?)
 
After installing a Clarion 501 CD Reciever, a pair of Polk Db651s in the doors, and a pair of Polk Dxi460p plates in the pillars on my 2004 silverado, I was a little disappionted with the lack of depth and lack of volume of the music.I'm not one to write reviews but after installing the Alpine MRP-F300 to the system - WOW! - What a difference! The sound is much warmer and depth & detail is much improved along with more volume than I will ever need.If you are considering upgrading your system with a new mid-power amp, (50watts rms x4)I highly recommend this one.I plan on adding a sub later and this amp has a pair of line outputs to daisy chain another amp.
Pros:
Alpine quality build, solid sound
Cons:
none so far
1 out of 1 people found this helpful
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3 out of 5

Alpine MRP-F300 - Watch out for stuck switches!

Written By FRECHA, Dallas, Texas on Monday, February 11, 2013
Crutchfield Customer Review (What's this?)
 
Sound output from this amp is good. it was easy to install but was disappointed that the covers were made of plastic instead of metal like the rest of the unit. Directions were easy to use. Only gripe I have with this unit is that I found the HARD way that the switches that control the channels for the front and back can sometimes get stuck. I tested the unit and was puzzled why sound was coming out only on one side of the vehicle. I thought the problem was wire based so i proceeded to troubleshoot the wiring and after an hour of going through the wiring and rechecking connections it ended up being a stuck switch setting that controlled the front 2 channels. The settings were set properly from the beginning but for some reason when the switch was set it didnt go all the way. This was after i had to call tech support for assistance. The person that assisted me told me that sometimes this happens to this unit and to always play with the switches to make sure they set to the right setting. Wish i knew that ahead of time....
Pros:
Great sound - no interference detected. Nothing but clean crispy producing sound. Supports various setups.
Cons:
Switches used to dial in settings are not dependable. Size of unit is also large and plastic housng cover was cheap looking.
1 out of 2 people found this helpful
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5 out of 5

Sounds great!

Written By plankeye0, Coatesville, PA on Tuesday, January 15, 2013
Crutchfield Customer Review (What's this?)
 
Paired with Kenwood KDC-BT752HD reciever and it is a good match. Alpine component speakers in front doors and Alpine 2 way speakers in rear doors. Hooked it up as shown and it works. Really it kicks absolutely.
Pros:
Straight forward wiring. Looks good.
Cons:
None yet
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5 out of 5

Alpine MRP-F300

Written By JJ, O fallon, IL on Friday, January 11, 2013