Sony car stereo amplifier in good working condition for sale at 900. Bluetooth and USB are installed and working properly in AUX mode. FM, Bluetooth, and USB all function smoothly with clear and good audio quality. Comes with multiple equalizer modes and a subwoofer pre out for enhanced bass. 4-channel output with 52 watts per channel. Door pick-up available in Thanjavur, TN. Price is fixed. Only interested buyers please no time pass