Alpine MRP-M350

Mono subwoofer amplifier
200 watts RMS x 1

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MRP-M350 subwoofer amplifier
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Item# 500MRPM350

29 people say

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Original price $139.99

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Overview
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Customer Reviews
Category Info
Accessories

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.

Our take on the Alpine MRP-M350

by Erin Blanton

Thanks to impressive power output, affordable pricing, and exceptional reliability, Alpine's V-Power amps are consistently among our best-selling models. The MRP-M350 mono amplifier gives you awesome bang for your buck, and sports some "extras" that you'd usually find only on higher-priced amps!

Hook up the MRP-M350 to one 4-ohm sub, and you get 200 watts RMS; connect a second 4-ohm subwoofer and the power output increases to 350 watts! All that juice means that your subs won't just be loud, they'll sound clean and musical, too. A variable low-pass crossover lets you tune the output to match your particular sub setup.

The 15 Hz subsonic filter eliminates very low notes (those that are too low to hear) from your system, so your bass won't sound muddy. Plus, you'll want to take advantage of the BassEQ — an adjustable bass boost of up to 12 dB at 50 Hz! Speaker-level inputs allow you the flexibility to hook up the MRP-M350 to just about any system, and gold-plated terminals ensure that you get clean signal transfer both into and out of the amp.

See more info on this item

Highlights:

200 watts RMS x 1 at 4 ohms (350 watts RMS x 1 at 2 ohms)
low-pass filter (50-200 Hz, 24 dB/octave)
variable Bass EQ bass boost (0-12 dB at 50 Hz)
subsonic filter (15 Hz)
MOSFET power supply
preamp- and speaker-level inputs
blue power LED
extra-large gold-plated terminals
8-gauge power and ground leads recommended — wiring and hardware not included with amplifier
9-3/16"W x 2-7/16"H x 9-9/16"D
warranty: 1 year
Our 60-day money-back guarantee

Shop all Alpine Car Amplifiers

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

Features and specs chart | What’s in the box? | In-depth notes

Features and Specs

Performance
RMS Power Output (Watts x Channels) Loading...	200 x 1
Peak Power Output (Watts x Channels) Loading...	700 x 1
Power at 2 Ohms (Watts x Channels) Loading...	350 x 1
Bridged Power (Watts x Channels) Loading...	N/A
Minimum Impedance Bridged Loading...	N/A
Minimum Impedance Unbridged Loading...	2
Best Frequency Response Loading...	20-200Hz Hz
THD at Rated RMS Power Loading...	1%
Signal to Noise Ratio Loading...	90 dB
Input Voltage Loading...	14.4v
Features
Amplifier Class Loading...	D
Low-Pass Crossover Frequency Loading...	50-200 Hz
Low-Pass Slope (dB/octave) Loading...	24 dB
High-Pass Crossover Frequency Loading...	N/A
High-Pass Slope (dB/octave) Loading...	NA
Bass Boost Loading...	0-12 dB
Bass Boost Frequency Loading...	50 Hz
Fan Cooled Loading...	No
Fuse Rating Loading...	20 x 2
Speaker Level Inputs Loading...	Harness
Preamp Outputs Loading...	No
Width (inches) Loading...	9-3/16
Height (inches) Loading...	2-7/16
Depth (inches) Loading...	9-9/16
Parts Warranty Loading...	1 Year
Labor Warranty Loading...	1 Year

Product Research

What's in the box?

Download owner's manual

Mono-block amplifier
One 8" speaker level input harness (with 4-pin Molex plug on one end and bare wire on the other end)
RCA cover
2 Rubber terminal covers
4 Self-tapping hex-head screws
2 Machine screws (for securing RCA cover)
Owner's Manual (English/French/Spanish)
Warranty sheet
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
Inputs and Outputs

Features

Class D Design: The MRP-M350 is a Class D amplifier, which operates more efficiently by turning more voltage into useable power, and generating less heat.

Power Supply: The 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.

Low Pass Crossover: The internal crossover is a 24dB/octave low pass filter variable from 50Hz to 200Hz. There is no on/off switch for this crossover, thus it is constantly active.

Subsonic Filter: This amp utilizes a 15Hz subsonic filter to eliminate super low frequencies that can rob power and damage speakers.

Bass EQ: The Bass EQ circuit provides a boost of 0-12dB at 50 Hz.

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

RCA Cover: The amp comes with a plastic cover that protects and insulates the RCA connections. Two supplied machine screws attach the cover to the amplifier.

Inputs and Outputs

Left Side Of Amplifier:

GND (ground): Gold-plated terminal strip, 0.33" wide
Battery: Gold-plated terminal strip, 0.33" wide
Remote: Gold-plated terminal strip, 0.33" wide
Speaker Outputs: Gold-plated terminal strips for 1 speaker, 0.33" wide

Right Side Of Amplifier:

Line Input: Gold-plated stereo RCA jacks
Speaker Level Input: Molex plug input for included harness

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Reviews for the Alpine MRP-M350

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5 out of 5

Powerful little guy, and well worth it.

Written By Jacob, SE Idaho on Saturday, January 19, 2013

I bought this amp used on craigslist, not expecting much since I didn't pay much being that it was already a few years old. I was pleasantly surprised. I have had it pushing 1 Memphis 15" at 4ohm for the last year and man does it hit hard. It fits perfectly under my rear seat in my SUV, and has performed beautifully. I'd recommend this to anyone looking for one.

Pros:

Compact, Efficient, Powerful

Cons:

None yet.

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5 out of 5

After 8 years of faithful service...

Written By Grogel, Lake Charles, LA on Sunday, November 04, 2012

I received this amplifier as a gift for my 17th birthday 8 years ago. In that time I've had to replace two subwoofers and transplant the entire system to a new vehicle. This amplifier has greatly exceeded my initial expectations and I could not be happier with Alpine's quality engineering.

The folicile eradicating power this amp outputs is impressive for its small form factor. It packs a massive punch when wired to a Type-R 10" 4 ohm dual voice coil wire in parallel. The single sub is all I have ever needed in both of my extended cab trucks. The sound quality is superb all around.

This amp has solidified my future business with Alpine. I am very happy with this product.

Pros:

Lifetime++ Exceeded the warranty by 7 years and still going strong.

Cons:

Does not drive the vehicle for me (I'm just kidding here).

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5 out of 5

This amp is a Monster

Written By Nicc_Cajun, Compton, California on Thursday, October 04, 2012

This amp is a sleeper. They say good things come in small packages, this amp proves that. I've got it pushing 1 15' Kicker Cvr. This amp amazed me , clean low bass. Didn't even have to max out the Gain. A definite Best Seller.

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5 out of 5

Alpine MRP-M350

Written By Anonymous, Toronto, canada on Friday, September 16, 2011

SICKEST AMP EVER!!!!!! i've had lots of different amps and subs and by far this one would shut those down in a split second, right now i have it hooked up to an MTX thunder 10inch in my pick-up and it rattles windows when i drive by and had it hooked up to 3 subs in a civic at one point and it would make your dentures fall out more then happy with it buy it!!!

2 out of 3 people found this helpful

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5 out of 5

The best of the best = Alpine

Written By Dan, APO, AE (Military Europe) on Wednesday, February 22, 2006

Crutchfield Customer Review (What's this?)

This amp is awesome... I couldn't be happier. I'm pushing a single 12" Alpine Type S DVC (4 ohm), wired in parrell dropping it to 2 ohm. The amp is pushing 350w RMS and it packs a punch. Excellent clean sound quality, minimal space usage...you can't beat this amp. Try to find a high quality amp with this much power for anywhere near this price - you can't do it. Another great thing about is that its small enough to fit underneath my seat and never once has it gotten hot. Great job Alpine. Thanks Crutchfield

10 out of 10 people found this helpful

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5 out of 5

Best quality & power-to-price ratio you'll find

Written By zero2dash, Fenton, MO on Monday, February 13, 2006

Crutchfield Customer Review (What's this?)

I bought this amp without hearing it too much based primarily on prior Alpine experience, but also because of the power it puts out and the low price. Buying Alpine products is a pretty safe bet considering their quality and history - and this amp is no exception. I have this pushing 2 JL Audio 10w1v2-4ohm subs (RMS of 150 each) wired in parallel (which is a 350w RMS 4ohm output) and let me tell you - this amp is worth every penny, especially compared to similar powered amps by other companies that cost two to three times as much. Excellent clean sound quality, minimal space usage...you can't beat this amp. Try to find a high quality amp with this much power for anywhere near this price - you can't do it.

4 out of 4 people found this helpful

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5 out of 5

Nice Power

Written By Scott, New Bern, NC on Tuesday, January 10, 2006

I have this amp, and it works great! I have it going to a 500w pair of Alpine 12"s in a box. It's a beast of an amp, great powerful sound for the size.

7 out of 7 people found this helpful

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5 out of 5

Excellent Amp!

Written By Kyle, Bozeman, MT on Monday, January 09, 2006

Crutchfield Customer Review (What's this?)

This amplifier exceeded my expectations by a long shot! I have always been very careful to read all the reviews BEFORE I buy any product. When I read all the reviews for this amplifier they were great. I would recommend this product to anyone who needs a good punch of bass in their system but doesn't want to pay a bundle. I would definitely rate this amplifier up with the 'big boys'.

4 out of 4 people found this helpful

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5 out of 5

Alpine MRP-M350

Written By poppinwillys, Crestview Florida on Thursday, January 05, 2006

I purchased this amp because I was tired of dealing with cheap stuff for an example and I had always heard good stuff about alpine. Now I see why. This amp hits clean and hard. Really clean and Really hard. I have it hooked up to two mtx thunder 4000 12's. Im not exactly into blowing out my neighbors and everyong else on the road. But I can dang sure do it with that amp if I so desired. I've had it hooked up to a kenwood 12 and my friends 12's in a box, and it pushes eveything awsomely. In fact it hit so hard it makes his back window leak now. Why you would want something that loud I still dont understand, but I'll be the first to admit its really impressive. So you can go spend 500+ on a great amp or you can get this one for 179 and as long as its not were you can see it, You will never know the difference. So....go buy one..you wont be sorry.

7 out of 7 people found this helpful

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5 out of 5

Take my word for it!

Written By mike, Slidell La on Thursday, December 29, 2005

Like another reviewer I also work in the car audio buisness and am also a MECP certified installer. And like him I sell ALOT of these amps where I work also. We use them on 2 type e subs or 1 type r and they push those speakers better than the P4004 (thats 400 rms!) Rockfords and at about $100 cheaper! Trust me this amp with 2 type e alpines and you are good 2 go. Customers that I recommend this amp to look at me crazy because its so small, then I take them outside to my co workers s-10 with it and 2 type e 10's and thats a wrap. SOLD! And unlike the v power amps (also very good amps) they dont need a 4 volt input to be at their best. I created an account just to let you all know just how BAAAD these amps are!

6 out of 6 people found this helpful

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5 out of 5

Alpine MRP-M350

Written By dgbragg, STL, MO on Wednesday, December 28, 2005

Crutchfield Customer Review (What's this?)

No disappointments for the money. Running it into 2 ohms on a sealed 10" in my trunk and only need about half of its gain or it overpowers the front speakers. Sounds clean and would definitely buy again.

3 out of 3 people found this helpful

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5 out of 5

Unbelievable

Written By JPeabody, Rogers, AR on Friday, December 09, 2005

Just like everyone else who has this mini beast, I was a little skeptical before I hooked it up. I have it running to 2 10" JBL GT 100's, and it blew me away. The sound quality is uncomparable to what it sounded like before. I have it at 2 ohms and it is pushing somewhere around 350 watts. I can't believe how much louder it is! I would highly recommend this amp for the price. No dissappointments here!

3 out of 3 people found this helpful

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5 out of 5

Great amp

Written By Drew, c'ville on Tuesday, November 22, 2005

I got this amp to power my 12" Kicker L5 solo baric. I thought it wouldnt be enough power to push that sub to what i wanted but it came through with amazing power, and it has increased the accuracy of my sub. The digital controls definitley make it easier to fix your amp settings. This is all around just a great amp reccomended buy for everyone.

5 out of 5 people found this helpful

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5 out of 5

it will make your ears cry

Written By Josh, l-burg on Sunday, November 06, 2005

i hooked up my mrp-m350 to 2 12" type e alpine subs in a sealed box and set them in the back seat of my dads 2000 dakota, i listened to one song while my mom ran into wal-mart for about 5 min and my right ear hurt for a week, definitly a great amp for the price, actually they should of made it more

2 out of 2 people found this helpful

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5 out of 5

Size doesnt matter

Written By Miguel, Ft Worth, Tx on Friday, October 28, 2005

When i received this amp and i opened the box my uncle that helps me with all my car audio connections laughed at me. He said "that little amp aint gon thump nothin'" but when we were done and i turned on my head unit boy was he surprised. It was so powerfull it made my rearview mirror shake. This is a great amp.

2 out of 4 people found this helpful

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5 out of 5

What a steal

Written By mike, Antioch, IL on Thursday, September 29, 2005

this little monster is awesome. i have it installed in my protoge, and connected to my 12' alpine type E and by far the loudest sub/amp combo available for that price. this amp powers my sub like its a 1,000 dollar amp i love this thing what a great product at an awesome price!!!!! highly recomended

2 out of 3 people found this helpful

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5 out of 5

Best amp for $250 and under

Written By brandon, Brighton MI on Monday, September 26, 2005

I work in moble audio. i have this amp pushing 2 12" alpine type E in a sealed box. You deff get your money's worth. Great sound and even better size for the power. Just remember, "Its not the size that counts, Its the power behind it. Take my word for it. I sell many of these amps weekley.
I also have this amp in my 96 Vw GTI.

2 out of 4 people found this helpful

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5 out of 5

Great AMp

Written By Junior, Santa Ana, CA on Wednesday, September 21, 2005

I got this amp runnin to my 10" 1,200 watt RE sub on a custum built ventilated box, It makes my sub sound like i have it hooked up to at least 1000 watts of amp power, Its so great i have won 1st place in competitions. Great clean bass louder then JL Audios W7, perfect amp for the perfect sub, highly recommended.

4 out of 7 people found this helpful

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5 out of 5

Alpine MRP-M350

Written By critta, st.louis, mo on Wednesday, September 14, 2005

I have this amp powering one Boston Acoustics G210-44 in my car and it sounds perfect.

1 out of 3 people found this helpful

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5 out of 5

Impressive

Written By jasongixxer, Chicago on Saturday, August 27, 2005

You will be pleasntly surprised by this little amp.:)
I've got it running 2 10" kicker comps(150 rms each) @ 2omhs, and it pushes them quite nicely.

4 out of 5 people found this helpful

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StreetWires Zero Noise 5 4-channel Patch Cables Available in 3 different lengths (16.4 feet)

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Rated 5-stars by consumers

For a more in-depth review and enhanced detailed information on the Alpine MRP-M350, please visit the Crutchfield website product page (/S-ftRYKjqgwTe/p_500MRPM350/Alpine-MRP-M350.html ).

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Alpine MRP-M350

Mono subwoofer amplifier 200 watts RMS x 1

Item# 500MRPM350 offer details

Review Summary

By buying this product you'll earn up to 140 Rewards points.

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

Our take on the Alpine MRP-M350

by Erin Blanton

Highlights:

Shop all Alpine Car Amplifiers

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

Features and Specs

Product Research

Our Product Research Team

Product Reviews

Reviews for the Alpine MRP-M350

Average Customer Review:

Review this product:

Crutchfield Video Review Guidelines

Filter by rating:

Powerful little guy, and well worth it.

After 8 years of faithful service...

This amp is a Monster

Alpine MRP-M350

The best of the best = Alpine

Best quality & power-to-price ratio you'll find

Nice Power

Excellent Amp!

Alpine MRP-M350

Take my word for it!

Alpine MRP-M350

Unbelievable

Great amp

it will make your ears cry

Size doesnt matter

What a steal

Best amp for $250 and under

Great AMp

Alpine MRP-M350

Impressive

Accessories

Add accessories for the Alpine MRP-M350

You'll need an amp wiring kit to install your new amplifier, as wiring is not included. See all categories & accessories

Smart people protect with SquareTrade- The best warranty at the best price

Sorry, the Alpine MRP-M350 is no longer available for purchase.

Looking for a similar item?

Shop All Car Amplifiers

Or, you can still...

Mono subwoofer amplifier
200 watts RMS x 1