Sony XM-GS4 High Res 4 Channel Power Amplifer 70W RMS x 4

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. Get the best from your in-car sound, thanks to the XM-GS4s 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. 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.