Images of Channel Stereo Amplifier
Images of Channel Stereo Amplifier
Images of Channel Stereo Amplifier
Images of Channel Stereo Amplifier

The Way The Artists Truly Intended

Enjoy the subtlest nuances of studio-quality sound in higher-than-CD quality with High-Resolution Audio. Passion for music unites every component from signal to speaker, so it feels like the artist is performing right in front of you.

Bring your in-car audio to life

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 100kHz. 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.

See how it works

Ultra-wide frequency range

Fine detail across the whole spectrum

Hear thundering lows and soaring highs brought to life, with an ultra-wide frequency response that extends up to 100kHz.

4 channel audio

4 channels of dynamic sound

Enjoy powerful audio throughout the entire car, thanks to a 70W x 4 RMS power output.

Hardwired for exceptional sound

Premium circuitry for optimum performance

Get the best from your in-car sound, thanks to the XM-GS4’s hub of high-quality audio circuitry. Everything is engineered for minimal noise and maximum efficiency – including the heavy-duty aluminium casing, which keeps things stable for low distortion.

  • Heavy-duty casing
  • Input dials
Capacitors

Capacitors

High-quality electrolytic capacitors assist in powering bright, versatile sound.

Transistor

Transistor

The high-current transistor ensures fast, efficient power transfer for responsive operation.

Choke coil

Choke coil

Low flux choke coils in the power block deliver low-noise, high-quality sound reproduction.

More sound, less noise

Noise-resistant potentiometers

Our carefully selected potentiometers are highly reliable, for consistently minimal noise. The twisted-wire cable structure provides additional noise resistance from electromagnetic interference.

Potentiometers
Schottky-barrier diodes

Total system efficiency

Schottky-barrier diodes enhance audio stability

Our premium diodes experience a lower voltage drop than conventional diodes, enabling faster switching and better system efficiency for smoother, more stable audio.

Low and high pass filters

Our high and low pass filters separate the audio range to deliver an accurate sound stage that’s rich in powerful bass, clear mids, and pristine highs.

Low and high pass filters

The power behind every track

Supercharge your favourite songs with this 4-channel amp

Enjoy 70W of power from each of four separate channels, for more flexibility in setting up your ideal in-car sound stage. Using a bi-amplification connection, you can assign two channels to bass frequencies and two to high frequencies, minimising distortion. You can also independently adjust the volume of different frequencies to find the perfect balance for each song.

  • Standard
  • Enhanced

Get the full setup

Combine our premium components for unrivalled acoustics

Take your in-car sound further. Our premium on-road audio products are all designed to complement each other, so you can build the perfect audio soundscape for your car.

RSX-GS9

RSX-GS9 media receiver

Get the ultimate in-car audio experience, with the world’s first receiver to boast DSD native playback.

XS-GS1

XS-GS1 component super tweeters

Enjoy supreme ultra-highs from these innovative front-facing super tweeters.

Mounting options

Flexible installation

Choose from multiple mounting options

The XM-GS4 can be positioned in a number of different places throughout the car. Install it in the front for easy access to controls, or put it in the boot to save on space.

An audio experience like no other

Discover how we redefined in-car sound quality

Our new in-car audio range – including the RSX-GS9 media receiver, XM-GS4 amplifier and XS-GS1 super tweeter – will forever change the way you listen to music in your car.

Specifications & Features
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 100kHz. 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.
  • High-Resolution Audio compatible

  • Up to 100kHz frequency range

  • 70W x 4 RMS rated power output

  • Premium components for superior performance

  • Low and high pass filters for accurate sound

Channel Configuration
4ch/3ch/2ch
Max. Channel Power Configuration at 4 ohm
150W x 4
Max. Channel Configuration at 4 ohm BTL
350W x 2
Max. Channel Power Configuration at 2 ohm
175W x 4
Frequency Response
10-100 k Hz
Weight
2.7 kg

What's in the Box

Warranty card, Instruction Manual

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