595 W@8½ / 965 W@4½, 2 rack space Mode selector switch for stereo, parallel, and bridged-mono operation ACL (Automatic Clip Limiting) protection Instantaneous Gain Modulation (IGM) circuit adjusts the channel gain to a safe level AUTORAMP signal control attenuates the signal while the speakers are disconnected Magnetic circuit breaker on/off switch Cooled by variable speed fan with back-to-front airflow Recessed, stepped attenuators Balanced female XLR, 1/4" TRS combi jack inputs Speakon and five-way binding post outputs 16-gauge steel chassis, cast aluminum front panel 2RU rackmountable