450 Watt Dual-Channel Amplifier 3 mono power levels: 1200W 900W or 600W for 70V speaker systems 3 stereo power levels: 600W 450W or 300 W per channel at 4 ohms 3 modes of operation to choose from: Stereo Dual Mono or 70V Mono Low noise low distortion and high slew rate Flexible modular input capability (2 modules capacity) Professional dual-channel (balanced or unbalanced) high-impedance input module with gain seletion included 3 selectable low-frequency roll-off choices 2x1 mixer functio