Parameters Model No.:JTa128A 12inch-2way powered speaker Frequency: 40Hz-20KHz Normal impedance: 8Ohm SPL 99dB/W/M RMS/Musical/Max.Power: 140W/280W/560W Durable & thick carpet protection for 15mm MDF wooden cabinet 1" Compression tweeter drive 12inch long-throw composite woofer Multi-function amplifier Size (W*D*H): 37×32×60cm 15" and passive will be available Class AB Amplifier  FREQ. RESP.:45HZ ～20KHZ +/-3B MIC INPUT (XLR or 1/4" Jack ) LINE INPUT (XLR or RCA) 2 Band EQ.  LINE OUTPUT (XLR or 1/4" Jack) POWER CAPACITY:200W Power Voltage:AC115V&AC230V Power Connector:Standard IEC