1700 Watts RMS per channel into 2 Ohms, 1200 Watts RMS per channel into 4 Ohms.3400 Watts RMS into 4 Ohms bridged.Combo XLR/1/4'' (6.35mm) jack inputs, with 1/4'' (6.35mm) thru.Volume control per channel.LED indicators for input signal, DDT™ and power.Dual variable-speed fan with Turbo V-Cooling™ technology.DDT™ speaker protection.2U space rack.Dimensions (HxWxD): 3.5'' (90mm) x 19'' (483mm) x 17'' (432mm)Weight: 50lbs (22.7kg)