Parameters Model No.: JSa212A Dual 12inch-2way powered speaker Frequency: 45Hz-20KHz Normal impedance: 4Ohm SPL 99dB/W/M RMS/Musical/Max.Power: 120W/240W/480W Durable & thick carpet protection for 15mm LDF wooden cabinet Piezo tweeter 12inch long-throw composite woofer Multi-function amplifier Size(W*D*H): 38*33*100CM Dual 15" and passive will be available Class AB Amplifier CD/MP3 FREQ. RESP.:45HZ ～20KHZ +/-3B 2 MIC INPUT (1/4" Jack ) CD/MP3 INPUT (3.5" Jack) 7Band EQ. Echo and echo delay control POWER CAPACITY:200W Power Voltage:AC115V&AC230V Power Connector:Standard IEC