Stereo workhorse power amplifiers with multiple input and output connection options. Designed for accurate and reliable service for venues, DJs and performers. Features include 6.3mm jack or RCA inputs, SPK, 6.3mm jack or 4mm post outputs, fan cooling, and 19" rack-mountable (2U) chassis. Power supply is 230Vac, 50Hz (IEC) and frequency response is 20Hz - 20kHz. Input sensitivity is 775mV, 10k Ohms. Output connectors include 6.3mm jack, SPK, and 4mm binding posts (L+R). S/N ratio is >98dB. Output power @ 4 Ohms (RMS) is 2x 250W, Output power @ 4 Ohms (Max) is 2x 500W, and Output power @ 8 Ohms (RMS) is 2x 160W. THD is <0.5%. Dimensions (WxHxD) are 482x88x380mm and weight is 9kg. Country of Origin: China.