2 Channel 2000 Watts Professional DJ PA Power Amplifier 2U Rack mount SYS-2000 MUSYSIC ATR (Accelerated Transient Response) technology for ultimate punch and clarity 2000 watts of Instant Peak Power (250 watts RMS) XLR,  (6.5mm Jack) Balanced Inputs Speakon and Banana binding post Outputs Front-to-Rear Airflow and Dual Cooling Fans