QSC PLX1602 Two Channel 1600 Watt Power Amplifier – Working #0431. Recently obtained from a pro audio rental facility that was liquidating excess equipment. Unit is tested and working. No issues to report. See photos for more details. Some specs at the bottom of this listing. QSC PLX1602 Two Channel 1600 Watt Power Amplifier. No other accessories included. GRAB IT WHILE YOU CAN! Please do not open any cases or claims without contacting us first. We will be able to resolve any problems directly and make sure that any issues are taken care of immediately. Our perfect feedback speaks for itself. THANK YOU FOR YOUR BUSINESS. Watts Stereo Mode (both channels driven). 8 ohms 20 Hz-20 kHz 0.03% THD 300W. 4 ohms 20 Hz-20 kHz 0.05% THD 500W. 2 ohms 1 kHz 1% THD 800W. Watts Bridge Mono Mode. 16 ohms 20 Hz-20 kHz 0.01% THD:600W. 8 ohms 20 Hz-20 kHz 0.01% THD:1100W. 4 ohms 1 kHz 1% THD:1600W. Track Page Views With.