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

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Category Info
Accessories

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.

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

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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1-10 of 26 items >> Sort Results By: Date Reviewed | Rating | Helpfulness

5 out of 5

Alpine MRP-M350

Written By , 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!!!