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Alpine MRP-F550

500W RMS, 4-Channel Amplifier

Alpine
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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

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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

Description


Alpine brand icon

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

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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

Item Details


Manufacturer:

Model Number:

MRP-F550

Weight:

14.00lbs

Internal SKU:

mrpf550

Internal Product ID:

8519

Product and How-to Videos


Customer Ratings & Reviews


Alpine MRP-F550 thumbnail image

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



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


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


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


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


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


Makes my speakers SCREAM!

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By Brian on August 11, 2008

28 found this helpful


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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