Autotek Super Sport AT Series AT1200 600 Maxx Watt Power A/B Class Four-Channel Amplifier (Black) 4 x 150 W at 4 Ohms, 4 x 300 W at 2 Ohms, 2 x 600 W at 4 Ohms Maxx Power Separate front and rear bass EQ controls adjustable +12 dB bass EQ at 45 Hz, input level control and oversized speaker terminals Preamp level RCA inputs, high level inputs and daisy-chain line outputs Mono/stereo switch; High-pass/low-pass/full-pass frequency selections Diagnostic LED power protection system warns and detects