Extremely Low Noise, Discrete Linear Design 4 x 100 Watts/Ch @ 8 Ohms, 140 Watts/Ch @ 4 Ohms 2 x 200 Watts/Ch @ 16 Ohms, 280 Watts/Ch @ 8 Ohms (bridged) 2 x 100 Watts/Ch @ 8 Ohms & 1 x 280 Watts @ 8 Ohms (bridged) Toroidal Transformer 10 Hz to 40 kHz Frequency Response 1/4-inch TRS, and Euroblock Balanced Inputs Recessed "Pop Out" Detented Gain Knobs Tamper-Proof Faceplate Included Multi-way Binding Post Outputs Low Profile 1U Rack-Mountable Design SmartFan Silent Cooling System