Class A/B 2-Channel Amplifier 2 x 600 W/RMS @ 4 Ohms 2 x 1000 W/RMS @ 2 Ohms 2 x 1500 W/RMS @ 1 Ohm 1 x 3000 W/RMS @ 2 Ohms bridged HP 10 – 4000 Hz, LP 40 – 4000 Hz Subsonic 10 – 150 Hz, 12/24dB XOver-Switch Bass Boost 0 – 18 dB, Vice Versa Output Signal 266 x 64 x 850/880 mm Efficiency up to 60%