Power Supply : 9–18V at 1–2 A >8 W RMS/ch. at 2ohm 16V DC supply. Power output : >6W RMS/ch.at 4ohm 16V DC supply >4W RMS/ch.at 4ohm 12V DC supply THD : <0.1% @ 1W, 4ohm 0.018% at 1W RMS @ 4 ohm and +15V supply Tần số : ~15 Hz to 50 kHz, –3 dB S/N ratio :>80 dBA. Input level : ~160 mV for full output Gain : ~31 dB maximum.