SONY XM 4S 4CH
Model features: 500W max power, 50W x 4 RMS into 4 ohms, 60W x 4 RMS into 2 ohms, 160W x 1 RMS into 4 ohms ( rear) , selectable 80Hz HPF/ LPF. * Direct connection ( High Level Input) can be made with the speaker output of your car audio unit if it is no