The XM-GS4 4-channel amplifier is engineered to enhance every track—including High-Resolution Audio files—thanks to an ultra-wide frequency range that extends up to 100 kHz. A range of premium circuit components work together for ultimate efficiency and pitch-perfect sound reproduction, so you can give every road trip the soundtrack it deserves.

  • 4 channels of dynamic sound
  • 4 Channel Stereo Output
  • 2 Channel Stereo Output
  • Fine detail across the whole spectrum
  • Premium circuitry for optimum performance
  • Low and high pass filters
  • Input Flexibilty
  • Amp Design
  • 3 Year Warranty
Additional Information

Additional Information



CEA Power output: 70W×4

CEA SN Ratio: 93dBA

Frequency response: 10-100 k Hz

Signal to noise ratio(S=Rated output): 100dB

Tolerance: +0.5/-3dB

Total harmonic distortion(1kHz): <0.05%



Bass boost: 40Hz, 0-10dB

Current drain(rated output power at 4ohm): 33A

Gold plated connectors: Yes

Input: Speaker level input: Yes

Line in: Input sensitivity(V): 0.3-6

Load capability: 1ohm/2ohm: No / Yes

MOSFET: Output stage/Power supply: No / Yes

Subsonic high pass filter: Yes


Amplifier main

Channel configuration: 4ch/3ch/2ch

High Pass Filter: 50-300Hz (Variable)

Low Pass Filter: 50-300Hz (Variable)

Slope : High Pass Filter: 12dB/oct

Slope : Low Pass Filter: 12dB/oct



At 2ohm: 175W x 4

At 4ohm: 150W x 4

At 4ohm-BTL: 350W x 2


Rated/THD(14.4V, 20Hz-20kHz)

At 2ohm: 80W x 4 / 1.0% (1kHz)

At 4ohm: 70W×4/1.0%

At 4ohm-BTL: 160W×2/ 1.0% (1kHz)

Weights and Measurements

Dimensions (Approx.): 272 × 51 × 202mm (W x H x D)

Weight (Approx.): 2.7 kg

TV TypeNo
VESA MountingNo
TV SizeNo
Cable LengthN/A
Free ShippingYes

XM-GS4 4/3/2 Channel Amplifier

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