- DUAL RCA AND 1/4INPUTS - SEPARATE VOLUME CONTROL FOR EACH CHANNEL - A/B SPEAKER SELECTOR - STEREO OR BRIDGED POWER INTO 4 OR 8 OHMS WITH STEREO/MONO SWITCH - DUAL ILLUMINATED VOLTAGE METERS - METER RANGE SELECTOR - FRONT PANEL HEADPHONE JACK - SWITCHED AC ACCESSORY OUTLET - HEAVY-DUTY FAN-COOLED ALUMINUM HEATSINKS - DUAL VOLTAGE OPERATION (110/220) - FREQUENCY RESPONSE: 10HZ-50KHZ - RACKMOUNTABLE - 18 7/8W X 4 1/2H X 12D