4-Channel Car Amplifier with Low/High Pass Filters, XM-GS4

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.

Sony XM-GS4 4-channel car amplifier — 70 watts RMS x 4 at Crutchfield

Car Audio Archives - Page 6 of 40 - Perfectionist Auto Sound and Security

Kicker – 44KXMA4002 – Volunteer Audio

4-Channel Car Amplifier with Low/High Pass Filters, XM-GS4

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4-Channel Car Amplifier with Low/High Pass Filters, XM-GS4

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Sony – XM-GS4 – Volunteer Audio