Two Channels AB- BridgeableInputs: Electronic Balanced; Barrier Strip ,XLR,TRS 14Speaker Terminal: Speakons for Ch A, Ch B and Bridge; Binding postCooling Fan Two-speed DC fan, air Flow back to front110220 Volt Switchable2x5 LED Indicator Red ,DDT Clipping; Yellow, signal; Green ,powerOverload and Protection IndicatorSignalNoise ratio: =102dBDistortion: =1.0%Frequency response: 20Hz-20 KHz >±0.5dBinput impedance: balance 20KhzInput level:+4dBTotal Power 1000 WattsSold as: UnitWeight: 15.06 lbs.This two-channel rack-mountable amps got power - 1000 watts! Each input takes RCA, XLR, or ¼ phono. Control each channel with an illuminated knob. A clipping LED reminds you to turn it down if your signal is distorted. Use in stereo, mono, or bridge mode for maximum output. Connect your speakers using the two Speakon inputs, or use the shock-free banana plugs on the back. The heavy duty fan with aluminum heat sink and protection circuit guards your equipment for optimum performance. Thank you for shopping with Dealsbuy2015 If you have any questions please feel free to contact us! We strive to have the best customer service possible so be ensured you will be happy purchasing with us! All items purchased ship the next business day! Items purchased on Sunday-Thursday from 3am – 2:59am EST will ship out the next day! Items purchased on Friday and Saturday will be shipped on Monday! We are in the office Monday–Thursday 9am-5pm EST Friday 9am-12pm EST We will try and respond to all questions or concerns in a timely fashion even after office hours! We are closed on all legal and Jewish holidays, all orders from those days will be shipped the following day after the holiday.Orders may be shipped from our warehouses in New York or California.