Alpine MRP-M500

Mono subwoofer amplifier — 500 watts RMS x 1 at 2 ohms

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Item# 500MRPM500

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Our take on the Alpine MRP-M500

by Buck Pomerantz

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.

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 Alpine MRP-M500 mono amplifier drives your subwoofer system with up to 500 watts RMS — enough to satisfy the hungriest bass setup. The low-pass filter puts you in command of the frequencies that reach your subs, while the variable bass boost is armed with plenty of low-end punch. A subsonic filter prevents wasted energy by eliminating ultra-low bass, putting all the power where you need it.

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.

Get a great deal on this amp. Check out these Alpine dual 10" and dual 12" bass packages.

Highlights:

mono subwoofer car amplifier
300 watts RMS x 1 at 4 ohms (500 watts RMS x 1 at 2 ohms)
variable low-pass filter (50-200 Hz, 24 dB/octave)
variable bass boost (0-12 dB at 50 Hz)
subsonic filter (15 Hz, 24 dB/octave)
Class D amp with 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: 30A 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

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

Features and Specs

Performance
RMS Power Output (Watts x Channels) Loading...	300 x 1
Peak Power Output (Watts x Channels) Loading...	N/A
Power at 2 Ohms (Watts x Channels) Loading...	500 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...	20-200 Hz
THD at Rated RMS Power Loading...	1%
Signal to Noise Ratio Loading...	75 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/oct
High-Pass Crossover Frequency Loading...	N/A
High-Pass Slope (dB/octave) Loading...	N/A
Bass Boost Loading...	0-12 dB
Bass Boost Frequency Loading...	50 Hz
Fan Cooled Loading...	No
Fuse Rating Loading...	60
Speaker Level Inputs Loading...	Harness
Preamp Outputs Loading...	No
Width (inches) Loading...	10-11/16
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 amplifier
Two 30 amp fuses (installed)
7" Speaker-level input harness (4-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-M500 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 2 channels. The supplied speaker-level input harness allows you to connect this amplifier to a receiver without preamp outputs; aftermarket or factory. The speaker level inputs will accept the output from a high powered radio.

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

Low Pass Filter: The amp is equipped with a 50-200Hz variable low-pass filter with a slope of 24dB/octave. This being a mono subwoofer amp, the crossover is always engaged.

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, and cannot be turned off.

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

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 Output: gold-plated screw terminal, 0.33" wide

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

Right Side Of Amplifier:

Line Inputs: 1 pair of gold-plated stereo RCA jacks
Speaker Level Input: Molex plug input for supplied 4-pin harness

Product reviews from the Crutchfield Labs (what are the Labs?)

Video: Alpine V-Power Amplifiers

Ken Nail, J.R. Stoffel

1/21/2009

based on 1 rating

Learn about some of the features that make Alpine V-Power amplifiers a strong choice for great-sounding car audio.

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1-10 of 64 items >> Sort Results By: Date Reviewed | Rating | Helpfulness

5 out of 5

Excellent Amp-1999 Jeep TJ

Written By BryanB, Fort Wayne, IN on Monday, January 30, 2012

Great amp! Crutchfield staff was extremely helpful in putting together our system. I knew little to nothing about amp ratings, etc so I relied a lot on Crutchfields' suggestions.This amp delivers all and more. Paired with a Sony head unit and (2) polk 10" subs.

Pros:

Easy to hook-up and set up. Very powerful.

Cons:

None.

Was this review helpful? Yes | No

5 out of 5

Awesome amp

Written By Shawn, NY on Saturday, January 28, 2012

This is the perfect mono amp! I have this amp powering a Alpine Type-R 10" dual 4 ohm wired at a 2 ohm load in a ported box and love it! The amp is a small size and very light which make mounting great. I have it mounted directly to my rear fender well in my hatch and it small size and light weight made it easy to mount and is very secure. Great power and excellent SQ! No dimming lights and able to use 8 gauge power wire which is easier to run. I listen to all kinds of music and it all sounds great but, when you want bass, you got it! I'm afraid my rear view mirror might fall off sometimes! Control all this with a alpine CDE-122 and you have sub adjustability from 0 to 15 so you have alot of control over sub plus all the other awesome features alpine units have. Wont't go wrong with this amp! Love Alpine!

Pros:

awesome!

Cons:

none

Was this review helpful? Yes | No

1 out of 5

Alpine MRP-M500

Written By Chris, Webster Ma on Saturday, January 21, 2012

This amp worked great,for the first year or so.Beautiful sound,high power,Everything I wanted!After a year and a half,The amp just randomly shut down. I looked it up on the net and several others have this same issue. I seriously recommend checking heavy into this amp before buying.Everythign I own from alpine keeps dying.I have jl audio speakers that are still working great, But my alpines died within the first year.My cousin blew his alpine subwoofers,I blew my speakers and my amp just blew, another kid i know blew his type r subs out.My amp was wired 4 ohm pushing 300 watts so it definately wasn't pushing to hard nor did it show signs of overheating.I strongly suggest to stay away from alpine unless you want a nice looking paperweight.

Pros:

Good sound,lots of power and clarity.

Cons:

Unreliable! Has a record with many people for dying randomly for no reason.

1 out of 1 people found this helpful

Was this review helpful? Yes | No

5 out of 5

Nice Power

Written By Tony.G, Ontario, CA on Sunday, January 08, 2012

I have owned the Alpine MRP-M500 for almost a year now,The bass sounds nice clean and controlled, good power output for the size of this amp also looks good cosmetically. Have it hooked up to a Kicker L3 12inch and it makes this sub slam big time! more than enough power and my car lights don't even dim. An all around great amp for the money.

Pros:

The clean sounding power output, Size, Looks good, Build quality.

Cons:

No issues so far.

Was this review helpful? Yes | No

5 out of 5

Great amp

Written By Tim, New York on Sunday, October 16, 2011

I have had this amp in the back of my Chevy for a few weeks now and I am pleased thus far. The installation was easy and all the needed parts were there for me. I went with Crutchfield on the Alpine bass pack because of the price and because I trust the people there to not stear me in the wrong direction and they did not disapoint. All parts for the order (bass box, speakers and amp) were received in good order. The sound quality of the Alpine amp and 10 in Alpine subs are first rate. Great strong and clean bass with no distortion. This is not your teenage sons bass box. I expected high quality sound and not just noisy distorted bass and that is what I received.

3 out of 3 people found this helpful

Was this review helpful? Yes | No

5 out of 5

Alpine MRP-M500

Written By John j, rhode island on Wednesday, October 12, 2011

Best amp alpine made until the MRX series. This amp does more than what its expected to do with no problems. I bought it and had it hooked to a 12" alpine type r at 2 ohms in Crutchfields's sound ordnance single ported box, and it would take anything i would throw at it. Unfortunately, the type r couldnt. And i melted it completely. RIP. But now i have 2 alpine type s's wired at 2 ohms going to it and they sound better than the type r did. So im happy with it all. Alpine FTW

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5 out of 5

Excellent

Written By Mark, Oswego NY on Wednesday, August 31, 2011

Great amp for the money. Very Budget.

Was this review helpful? Yes | No

5 out of 5

Excellent gear for your money !

Written By Mark, Newport News, VA on Wednesday, August 10, 2011

I purchased this amp with 2, 10" speaker combo, it met and exceeded my expectations, especially for the price, the sound blended great with my existing equipment. I purchased an alpine deck so I decided to go all out with alpine. I highly recommend it, it will not disappoint.

1 out of 2 people found this helpful

Was this review helpful? Yes | No

5 out of 5

Perfect Amp for my Car

Written By jpl, Leominster, ma on Sunday, August 07, 2011

Got this amp to Drive a 10 inch apline type R wired at 2ohms in a sealed box. The sub now hits wonderfully hard. Doesn't get too hot either. Overall a very good and solid amplifier

1 out of 1 people found this helpful

Was this review helpful? Yes | No

5 out of 5

Great Amp

Written By Shane, Boise, Id on Friday, July 22, 2011

I have this amp pushing a JL Audio CP108LG-W3v3 8" Single 4ohm Low- profile Sub Enclosure (250 watts RMS). It sounds great and actually gives it all it can handle! Also, I have the subwoofer output level on my head unit turned down below 50% and it still hits hard.

1 out of 2 people found this helpful

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1-10 of 64 items >>

Learn more about All Car Amplifiers

Car Amplifier Shopping Guide

Ken Nail

10/20/2011

based on 383 ratings (15 comments)

If you want your music to be loud, amplifiers are definitely part of the picture. But an amp can do much more than just get other people's attention.

Everything About Subwoofers from A to Z

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9/16/2011

based on 20 ratings

When planning a bass system, customers ask every day about where they should start. Doing it properly takes some planning and forethought, especially if you're starting small and intend to expand...

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9/2/2009

based on 24 ratings (2 comments)

We describe the basics of deciding how much power an amplifier should have when you're trying to match it to your speakers or subwoofers.

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11/17/2009

based on 217 ratings (7 comments)

One of the first steps in choosing an amplifier for your car audio system is to decide how you intend to use the amplifier, and thus how many channels it should have. This short video gives you a...

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Alpine MRP-M500

Mono subwoofer amplifier — 500 watts RMS x 1 at 2 ohms

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Crutchfield - North America's electronics authority since 1974

Alpine MRP-M500

Mono subwoofer amplifier — 500 watts RMS x 1 at 2 ohms

Item# 500MRPM500 offer details

Review Sumary

Our take on the Alpine MRP-M500

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

Highlights:

Features and Specs

Product Research

Features

Controls

Connections

Product reviews from the Crutchfield Labs

Video: Alpine V-Power Amplifiers

Product Reviews

Excellent Amp-1999 Jeep TJ

Awesome amp

Alpine MRP-M500

Nice Power

Great amp

Alpine MRP-M500

Excellent

Excellent gear for your money !

Perfect Amp for my Car

Great Amp

Learn more about All Car Amplifiers

Car Amplifier Shopping Guide

Everything About Subwoofers from A to Z

Video: Car Amplifier Power

Video: Car Amplifier Channels

Video: Car Amplifier Build Quality

Accessories

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