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Customer Reviews

Soundstream Reserve RSM4.1200D

Compact 4-channel car amplifier — 75 watts RMS x 4

MFR # RSM4.1200D

Soundstream Reserve RSM4.1200D

Soundstream Reserve RSM4.1200D

Compact 4-channel car amplifier — 75 watts RMS x 4

MFR # RSM4.1200D

22 reviews
View this product

NOPE!

John David from MADISON, AL on 2/24/2021

Verified customer (What's this?)
Verified employee purchase (What's this?)

I bought this amp as part of a total system upgrade in my 2004 Jeep Wrangler. The goal was to have a Carplay unit for handsfree phone access, but improve sound quality too. The system included a Pioneer DMH-2660NEX head unit, 5-1/4" Kenwood KFC-1396PS in speaker pods up front, 6-1/2" Kenwood KFC-1696 in the overhead sound pods, and the Soundstream RSM4.1200D 75Wx4 amp. The goal of a Carplay upgrade was successful. The Pioneer unit, while not as nice as the stock unit in my other car, does the job. But an improvement in sound didn't happen. I replaced an old 14W Kenwood HU with factory speakers and a 6-1/2 factory sub. I figured I wouldn't need a replacement sub since the two factory speakers overhead (5-1/4 stock) were being replaced with 6-1/2 drivers. Each driver is the same size as my old subwoofer with specs down to 40Hz and 35Hz, so with 75W going to each I should be golden. Wrong! The 14W Kenwood with stock speakers blows away this 75W system. It is literally like listening to a slightly loud clock radio. Horrible! I don't know if it's the amp or the speakers, but together they don't work. And in case you're wondering, I used an install kit by Crutchfield, rated for this amp, and matched the amp gain with a meter. At 75% volume set the amp out on a 1kHz test tone to 17.32V. At this point I don't know whether to add a powered sub or just trash the whole thing and start over. I'm over $800 into this system and it's no better than stock. Stay away from these components!

Pros: Compact

Cons: Poor documentation. Doesn't sound good with my speakers.

Crutchfield response on

2 of 5 found this helpful

Soundstream Reserve RSM4.1200D

Crutchfield customer from Olney, MD on 1/29/2021

2015 Jeep Wrangler

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Fits nicely under Jeep JK front seat. Easy hook up

Pros:

Cons:

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2 of 2 found this helpful

Soundstream Reserve RSM4.1200D

Crutchfield customer from Hagatna, GU on 1/21/2021

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Awesome sound for a small amp.

Pros:

Cons:

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2 of 2 found this helpful

A very good buy

Jacob from Orange Park, FL on 1/19/2021

2012 Acura TL

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Very easy to setup. Sleek design and relatively small for compact spaces.

Pros: Small and powerful

Cons: Speaker inputs are really close together so if you install top speaker wires down, then you block the posts to wire the lower rear speakers.

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1 of 1 found this helpful

Soundstream Reserve RSM4.1200D

Crutchfield customer from Pittsburg, CA on 1/17/2021

2016 Mazda 6

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Wish there was some sort of wiring diagram database you could tap into online. Its a nightmare trying to find what color wire on the harness (behind the stock head unit) goes to which speaker.

Pros: Small size

Cons: Lack of do-it-yourself information

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1 of 1 found this helpful

Soundstream Reserve RSM4.1200D

Crutchfield customer from Yankton, SD on 12/29/2020

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Quality was really good

Pros:

Cons:

Crutchfield response on

2 of 2 found this helpful

Compact performance

Crutchfield customer from Mills River, NC on 12/28/2020

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This little amp puts out great power. I am pushing 4 6.5" kickers on the front two channels and a kicker 12" 2 ohm sub on the rear channels (bridged). I am thoroughly impressed with the performance and would purchase again.

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2 of 2 found this helpful

Soundstream Reserve RSM4.1200D

Crutchfield customer from Thibodaux, LA on 12/20/2020

2006 Harley-Davidson Road Glide

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Awesome amp came with everything needed thanks to crutchfield. Easy to hook up.

Pros:

Cons:

Crutchfield response on

2 of 2 found this helpful

Soundstream Reserve RSM4.1200D

Crutchfield customer from Grand Junction, CO on 12/16/2020

Verified customer (What's this?)
Verified employee purchase (What's this?)

Very easy install. Connected to a BT receiver and mounted both under the seat in my street rod. Sounds great.

Pros: Reasonable price and lots of power. Very compact.

Cons: None

Crutchfield response on

2 of 2 found this helpful

Monster bass!

Crutchfield customer from Marana, AZ on 12/7/2020

1998 Ford Ranger

Verified customer (What's this?)
Verified employee purchase (What's this?)

I would have never thought you could get this much thump out of something this small! This Amp is nothing short of amazing! Turned up the gain and I cannot get it to distort. Clean, and powerful bass that really thumps!

Pros: Small, powerful, clean bass

Cons: None

Crutchfield response on

2 of 2 found this helpful

Easy

Crutchfield customer from Midland, VA on 12/7/2020

2015 Chevrolet Equinox

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Seems to have great power and sound

Pros:

Cons:

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1 of 1 found this helpful

Soundstream Reserve RSM4.1200D

Crutchfield customer from Pflugerville, TX on 12/6/2020

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Great amp, small form factor made for a easy install.

Pros:

Cons:

Crutchfield response on

1 of 1 found this helpful

Exceeded expectations

Moises from Chesapeake, VA on 12/1/2020

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I put this in my 2010 Honda Insight since I could only do a max of 30A load in my car (Hybrid). I'm using it run JBL components in the front door on the front channels. The rear channel is bridged running to a single 10 inch Kenwood subwoofer (https://www.crutchfield.com/p_113W2516PS/Kenwood-KFC-W2516PS.html). I am extremely happy with the overall sound and can't believe the output such a small amplifier has.

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Crutchfield response on

2 of 3 found this helpful

Greatness

Crutchfield customer from Houston, TX on 11/29/2020

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Great buy for the price this amp performs well. I'm runimg 6.5 components Polk Audio. And a pair of Normal 6.5's

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Crutchfield response on

3 of 3 found this helpful

Soundstream Reserve RSM4.1200D

Crutchfield customer from Hydaburg, AK on 11/26/2020

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Verified employee purchase (What's this?)

Great little amp! Big & clear on sound. Listening to one of my favorite blues cd's , there was one song that had such a subtle rythm guitar at different parts I had'nt noticed it until I hooked up with the RSM4, 1200 !

Pros: The angled power & ground & speaker connections are thoughtful in design. Small pkg. Big sound !

Cons: Small pkg. Easy to carry off!

Crutchfield response on

3 of 7 found this helpful

Soundstream Reserve RSM4.1200D

Crutchfield customer from Kahului, HI on 11/24/2020

2016 Honda CRV

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Verified employee purchase (What's this?)

I was amazed how small the amp is I haven't installed it yet but I'm sure it sounds amazing I always liked soundstream

Pros:

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Crutchfield response on

0 of 6 found this helpful

Tiny footprint big power!

Anthony from Riverview, FL on 11/12/2020

2020 Kia Telluride

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Verified employee purchase (What's this?)

Nice and compact. I was able to hide this behind my alpine ilx650 headunit. Currently the gain is set to half power and the speakers are alive!!!!

Pros: Small footprint, can fit behind headunit. Easy setup

Cons: Dislike the Phillips head screws for all the wiring

Crutchfield response on

4 of 4 found this helpful

Soundstream Reserve RSM4.1200D

Crutchfield customer from Spraggs, PA on 11/10/2020

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Nicely packaged unit, could use some better documentation about frequency crossover & gain settings. Overall very satisfied with purchase.

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Cons:

Crutchfield response on

2 of 2 found this helpful

Soundstream Reserve RSM4.1200D

Crutchfield customer from Washington, DC on 11/10/2020

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Connect your speaker wires into the heavy duty terminal block. Not silly wimpy connectors

Pros:

Cons:

Crutchfield response on

2 of 4 found this helpful

Highs screaming

Kelvin from Powder Springs Ga on 10/6/2020

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Verified employee purchase (What's this?)

So far so good! Purchased two of them for two different vehicles... Had one installed for a week & my mids & highs sound great! One been hooked up for 1 day on highs & sounds great so far

Pros: Size

Cons: Kind of worried about stripping small phillip heads screws for speaker inputs/inputs

Crutchfield response on

4 of 4 found this helpful

Soundstream Reserve RSM4.1200D

Crutchfield customer from Woodstock, GA on 10/5/2020

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So far so good. Impressive power from such a small package.

Pros:

Cons:

Crutchfield response on

1 of 1 found this helpful

Soundstream Reserve RSM4.1200D

Crutchfield customer from Kapolei, HI on 9/30/2020

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Great product

Pros:

Cons:

Crutchfield response on

3 of 3 found this helpful

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