MUSYSIC 2 Channel 3200 Watts DJ PAProfessional Power Amplifier 2U Rack mount SYS-3200 ATR (Accelerated Transient Response) technology for ultimate punch and clarity 3200 watts PMPO, 1600W@2Ohms,800W@4Ohms,400W@8Ohms XLR,  (6.5mm Jack) Balanced Inputs Speakon and Banana binding post Outputs Front-to-Rear Airflow and Dual Cooling Fans