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Sony XM-GS400

700W Max Compact 4 Channel GS Series Amplifier with High Level Inputs, Crossover Filters and a 3-year warranty!

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• 70 Watts RMS x 4 @ 4 ohm
• 80 Watts RMS x 4 @ 2 ohm
• 160 Watts RMS x 2 @ 4 ohm, Bridged
• Total Peak Power: 700 Watts
• CEA-2006 Compliant
• 4, 3 or 2 channel stereo operation
• Signal to Noise Ration: 93 dBA
• Speaker-level (high-level) inputs with Auto Turn-on

Learn more about the xmgs400

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Product Highlights


• 70 Watts RMS x 4 @ 4 ohm
• 80 Watts RMS x 4 @ 2 ohm
• 160 Watts RMS x 2 @ 4 ohm, Bridged
• Total Peak Power: 700 Watts
• CEA-2006 Compliant
• 4, 3 or 2 channel stereo operation
• Signal to Noise Ration: 93 dBA
• Speaker-level (high-level) inputs with Auto Turn-on

Description


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Authorized dealer

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Sony XM-GS400
GS Series 4-Channel Full Range Amplifier

The new Sony GS series of amplifiers are the perfect way to get a great system in your vehicle. Whether you are expanding into a full-blown aftermarket setup, or are just looking to integrate better overall performance into your OEM setup, the GS Series has you covered. These amplifiers have been purposed-engineered with High Level Inputs - with Auto Turn-On - to integrate into most vehicles with an OEM headunit and also come equipped with Gold Plated RCA inputs for installs with a proper Aftermarket Headunit; both delivering the best possible audio transfer. These GS series amplifiers are also designed with a stylish heatsink and removable cover - which inconspicuously houses a full crossover board.

The XM-GS400, specifically, is a 4-channel amplifier that is capable of outputting a CEA Certified 70 watts RMS to four channels at 4 ohms. For setups that require a bit more power, the amplifier is stable down to 2 ohms, providing 80 watts RMS to four channels. In addition, this 4-channel amplifier can be configured to run as a 3-Channel or 2-Channel amplifier by utilizing its ability to bridge its channels. This well-balanced power output and flexibility is a perfect match for most component & coaxial speakers on the car audio market, along with some subwoofers as well.


Compact 10-3/4

Compact 10-3/4" x 8" Chassis

The Sony GS Series line of amplifiers are purpose-built to be as flexible and user/installer friendly as physically possible - that begins with the amplifiers' small footprint. At 10-3/4 in width, 8" in depth and only 2-1/8" in height, the Sony GS Series is capable of fitting underneath most seats, behind most seats or along the side panel of most trunk cargo areas. This allows you or your installer to build the system in a way that best fits the space provided by the vehicle.


Built-in Crossover

Built-in Crossover

The XM-GS400 has a removable top panel that conceals independent front and rear 12 dB/octave variable High Pass filter and Low-Pass filter crossovers. To maximize your audio's bass potential the XM-GS400 also features independent, variable 0 - +10 dB @40 Hz bass boost circuit to increase low frequency response. Need help figuring out what all this means? Check out our K-Base Article that discusses these settings, CLICK HERE.


Gold Plated Terminals

Gold Plated Terminals

Staying true to its GS Series pedigree, the XM-GS400 is equipped with gold-plated RCA inputs, speaker-connection outputs and power/ground/REM connections. In addition, all these connections are 'press' screw connects that maximize the area of the cables used. Not only does this insure that the amplifier receives the best possible current/signal, but it also makes sure that your system delivers you with transparent, accurate and high-fidelity audio.





 

 

General Features:

  • 4-Channel GS Series Compact Car Amplifier
  • Max Power Rating:
    • 4 ohm: 150 watts x 4 chan.
    • 2 ohm: 175 watts x 4 chan.
    • Bridged, 4 ohm: 350 watts x 2 chan.
  • RMS Power Rating @ 14.4V:
    • 4 ohm: 70 watts x 4 chan.
    • 2 ohm: 80 watts x 4 chan.
    • Bridged, 4 ohm: 160 watts x 2 chan.
  • Total power output: 320 watts RMS / 700 watts MAX
  • CEA-2006 Compliant Amplifier
  • Pulse Width Modulated MOSFET power supply
  • Removable top panel conceals complete crossover & level controls
  • Compact aluminum alloy chassis
  • LED power (blue) and protect (red) indicators
  • Soft start turn-on
  • 4, 3 or 2 channel stereo operation
  • Speaker-level (high-level) inputs with Auto Turn-on for OEM Integration
  • Gold-plated RCA level inputs
  • Gold-plated screw terminals
  • 3-way protection circuitry (thermal, overload, and speaker short protection)
  • Heavy duty aluminum alloy heat-sink for extreme heat dissipation
  • Input sensitivity:
    • Low level: 300mV - 6V
    • High level: 1.2V - 12V
  • Frequency Response: 10 - 100,000 Hz (+0/-3 dB)
  • Total Harmonic Distortion (THD): 0.05% (1kHz @4 ohm)
  • Signal to Noise Ration: 93 dBA
  • Selectable crossover modes: LP / OFF / HP
  • Variable high-pass filter: 50 - 300 Hz, 12 dB/octave
  • Variable low-pass filter: 50 - 300 Hz, 12 dB/octave
  • Subsonic filter: 6 - 70 Hz , 12 dB/octave
  • Variable Low/Bass Boost: 0 to +10 dB bass boost at 40 Hz
  • Fuse Rating: 30A x 2
  • 4 - 8 gauge power and ground wiring is recommended for installation. Contact us for information regarding a discount on select amplifier kits from our website when purchased together with this amplifier. Click Here for our contact information.
  • Dimensions: 10-3/4"W x 8"D x 2-1/8"H
  • Authorized Internet Dealer
  • 3 Year Manufacturer's Warranty
Check out the Sony XM-GS400 Owner's Manual

Product history:

Sony XM-GS4 thumbnail
(newest, current model)
Sony XM-GS400 thumbnail
(previous model, replaced by Sony XM-GS4)

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Specifications & Details


Power Specifications - Full Range Channels
RMS Power @ 4 ohms
70 watts x 4 channel
RMS Power @ 2 ohms
80 watts x 4 channel
Bridged RMS Power
160 watts x 2 channel
Power Specifications - Full Range Channels
Peak Power @ 4 ohms
150 watts x 4 channel
Peak Power @ 2 ohms
175 watts x 4 channel
Bridged Peak/Max Power
350 watts x 2 channel
Amplifier Specifications
Series
GS Series
Number of Channels
4-Channel
Total Peak Power Output
700 watts
Total RMS Power Output
320 watts
Maximum Input Gauge Size
Any Gauge with use of Spade Terminal AWG
Minimum Impedance Unbridged
2 ohm
Minimum Impedance Bridged
4 ohms
THD at Rated RMS Power
0.05%
Speaker Level Inputs
Yes
Preamp Outputs
No
Built-in Crossover
Low-Pass (LP)
High-Pass (HP)
Full (AP)
Subsonic
High-Pass Crossover Frequency
50 - 300 Hz
Low-Pass Crossover Frequency
50 - 300 Hz
Subsonic Filter
6 - 70 Hz
Signal-to-Noise Ratio
93 dB
Bass Boost
0 - 12 dB
Remote bass/level controller
No
Fuse Rating
30A x 2 
Strappable
No
Sonic Certified Amplifier
Not Tested
Warranty and Return Policy
Parts Warranty Duration
3 years
Labor Warranty Duration
3 years
Warranty Provider
Manufacturer

Item Details


Manufacturer:

Model Number:

XM-GS400

Weight:

6.50lbs

Internal SKU:

xmgs400

Internal Product ID:

52153

Product and How-to Videos


  • Sony GS Amplifiers
  • How To Install an Amplifier: Car Amplifier Basics Part 2

Customer Ratings & Reviews


Sony XM-GS400 thumbnail image

5 star
67%
4 star
33%
3 star
0%
2 star
0%
1 star
0%



Durability
4.7
Value
5
Features
4.4
Design
5
Usability
4.7

Customer Reviews

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Great amp like old sony

Sounds great. No noise. Nice build quality.

tested at 85x4 @ 4 ohms and 240 x2 bridged by PAS.

Nicely under rated. Reliable and clear A/B power and nice cosmetics (esp for recent sony amp)

I like the gs line.

By TS on March 31, 2015

50 found this helpful


Great amplifier.

Bought this amp just to try it. I'm impressed. So much so that it's now my "go-to amp" for those customers wanting more power then a head unit can offer. It is physically smaller then I expected which is great for tight spaces. With it's forced air (fan) cooling, I shouldn't have to worry about heat. The noise level is MUCH lower then I was expecting. Even with the gains relatively high (about 3/4) it's dead silent from the drivers seat (car parked in the garage). The sound quality is great. It's a very musical amplifier. Great bass, great mids, great highs. Excellent imaging and sound stage. I like this amp over my Eclipse and even over my JL 300/4 which I've now sold. As for the power. It does every bit of what it's rated to do. I thought, for the price, if I needed more power I'd just get a second one and run them bridged. Not the case. This amp has plenty of power. I run the Alpine SPR 6x9s in the rears and a custom 8" component set with hand made crossovers in the front.

By LAZ on July 7, 2015

39 found this helpful


User friendly

The main reason I got this amp was because it has "Auto Turn On" , which I figured would save me time from poking around my 2014 Dodge Avenger. Not only was that TRUE, but I didn't realize until the install that everything else about the amp was going to save me time. The size of the amp made it easy to mount where I was hoping, the TOP mounted knobs made it easy to reach, re-reach and tune. AND BEST OF ALL, the cover makes sure my kid doesn't go in and mess things up! ha. GREAT AMPLIFIER!!! Oh yea, and AWESOME sound quality. It makes my 6x9 sound like I have a subwoofer..which saves me money from actually ahving to buy one!

By Mario on September 30, 2015

25 found this helpful




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Whether you're replacing a factory stereo or upgrading your entire audio system, the Fit Finder eliminates uncertainty.