Name: Alpine MRP-F550
Brand: Alpine
SKU: mrpf550
Price: 209.99 USD
Availability: Discontinued
Rating: 4.8571 (7 reviews)

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Product highlights

500 watts, 4-Channel Amplifier • RMS Power Output: 4 ohm: 90 watts x 4 / 125 watts x 4 • Frequency Response: 10 Hz - 50 kHz • MOSFET power supply • STAR Topology (minimizes internal noise and prevents ground interference) • Speaker and preamp-level inputs

Learn more about the mrpf550

Product Highlights

Description

Authorized dealer

500 watts, 4-Channel Amplifier
RMS Power Output:

4 ohm: 90 watts x 4 channels
2 ohm: 125 watts x 4 channels
Bridged, 4 ohm: 250 watts x 2 channels

Frequency Response: 10 Hz - 50 kHz
Subsonic Filter: 15 Hz
Crossover Frequency: 50 - 400 Hz
MOSFET power supply
STAR Topology (minimizes internal noise and prevents ground interference)
Gold-plated screw terminals
Speaker and preamp-level inputs
Preamp outputs
fuse rating: 30A x 2
Dimensions: 9-27/32" L x 13-25/32" W x 2-23/64" H
1-year SonicElectronix.com warranty

Alpine products are warranted solely by Sonic Electronix, Inc. under the same period and terms as the original Alpine warranty. Sonic Electronix is not an Authorized Alpine Dealer and Alpine requires all merchandise purchased by Sonic Electronix customers to be returned solely to Sonic Electronix. Alpine products are also covered by our Standard Return Policy for returns on exchanges or refunds within 30 days from the date of purchase.

Product history:

	Alpine Status HDA-F60 (newest, current model)
	Alpine X-A70F (previous model, replaced by Alpine Status HDA-F60)
	Alpine PDX-F4 (previous model, replaced by Alpine X-A70F)
	Alpine MRX-F65 (previous model, replaced by Alpine PDX-F4)
	Alpine MRP-F600 (previous model, replaced by Alpine MRX-F65)
	Alpine MRP-F550 (previous model, replaced by Alpine MRP-F600)

Specifications & Details

Power Specifications - Full Range Channels

RMS Power @ 4 ohms

90 watts x 4 channel

RMS Power @ 2 ohms

125 watts x 4 channel

RMS Power @ 1 ohm

Not Stable

Bridged RMS Power

250 watts x 2 channel

Amplifier Specifications

Amplifier Class

A/B

Number of Channels

4-Channel

Total RMS Power Output

500 watts

Maximum Input Gauge Size

4 AWG

Minimum Impedance Unbridged

2 ohm

Minimum Impedance Bridged

4 ohms

THD at Rated RMS Power

<1.0%

Speaker Level Inputs

Yes

Preamp Outputs

1 pair

High-Pass Crossover Frequency

50 - 400 Hz

Low-Pass Crossover Frequency

50 - 400 Hz

Subsonic Filter

15 Hz

Signal-to-Noise Ratio

100 dB

Bass Boost

12 dB @ 50 Hz

Fuse Rating

30A x 2

Warranty and Return Policy

Parts Warranty Duration

1 year

Labor Warranty Duration

1 year

Warranty Provider

Sonic Electronix

Customer Ratings & Reviews

Overall rating distribution

5 star		86%
4 star		14%
3 star		0%
2 star		0%
1 star		0%

Filter by Star Rating

Show only Verified Purchases

By feature average rating

Durability		4.9
Value		4.9
Features		4.6
Design		4.9
Usability		4.7

Customer Reviews

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Never Seen Better For The Money

I just recently bought this amp. I hooked it up to Type-R 6x9s, and WOW it gets extremely loud. I don't even have the gains half of the way up, and it's gets too loud where it starts to hurt your ears. The sound quality it produces is phenomenal. I haven't had any issues with heat. Setting it up was easy, and the controls were easy to follow.

Honestly, I can't see why anybody would buy another amp that puts out this equivalent of wattage. It's cheap, and blow-your-head-off loud.

By Allen on January 9, 2009

37 found this helpful

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good buy

a bit large for the power output, but the sound quality is fine, it has not overheated or had any complications. if you have room for it, I would recommend it

By mike on March 4, 2009

32 found this helpful

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Best 4 channel for the money, *****

I've owned more than a dozen 4 channel amps over the last 30 years and this amp is a winner! The sound is crystal clear powering Infinity Kappa 60.7cs in front and Kappa 62.7i in the rear. the highs sparkle at high and low volume and the gain is only at 75%. DO NOT MISS THIS DEAL!

By Paul on August 21, 2008

30 found this helpful

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great amp

I have this hooked up to some pioneer speakers I bought here as well, and they sound unbelievable. Plus its alpine quality so you know your not getting cheap stuff.

By Ryan on March 11, 2009

29 found this helpful

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Great amp for mids, highs

I just bought this amp off a buddy of mine for the speakers in my car, and this amp helped my speakers compliment my JL w7 so well. Highly recommended

By Sean on February 1, 2009

30 found this helpful

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Makes my speakers SCREAM!

Bought this from sonicelectronix, and have it hooked up to polk momo 6 1/2 components in the front and 4x6 momo plates in the back. I absolutely love how it makes them sing.

By Brian on August 11, 2008

28 found this helpful

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LOUD AMP

i have this amp hooked up to a set of MA components in the front and infinity kappas in the back and they scream. I recently got it all hooked up and am very impressed. Its alpine so the reliability will be great, awesome bang for buck!!

By Ryan on July 10, 2008

28 found this helpful

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Add-ons

Belva BAK44

Complete 4-Channel CCA 4 Gauge Amp Kit with RCA Cables and Speaker Wire

(61)

$49.99

List price $79.99

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Alpine MRP-F550

Good news and a little bad...

This item has been discontinued

Product Highlights

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