Bogen's M-Class Power Amplifier delivers what any amplifier need most - Flexibility, Power, and Reliability. Flexibility - 3 modes of operation: Stereo, 70V Mono, or Dual Mono; and 2 modular input bays for a variety of prioritized input types. Power - up to 600W/ch. Reliability - Massive power toroid and heat sinks; heavy 14-gauge chassis; patented Back-Slope™ AC voltage stabilization; Clip limiters, DC voltage, over-current, and thermal protection circuits.