12V A/B Digital Stereo Surround Passive Subwoofer Audio Player for Car Max 7900W
SK-790.4 4-Channel 12V Car Power Amplifier Class A/B Digital Stereo Surround Passive Subwoofer Audio Player For Cars Max 7900W. √ Passive subwoofer. √ Stereo surround. √ 4-Channel 7900 Watt Car Power Amplifier.