3 Channel, 300w High Gain FET Solid State Guitar Amplifier Head with Intelligent Noise Gate, Switchable F/X loop, 1/8´´ Stereo Media input, Headphone output, Speaker emulated XLR direct outoput with ground lift and 4 function footswitch included Specs Wattage / Power 300 Watts @ 4 Channels 3 Speaker n/a Impedance Minimum 4 FX/GATE/REVERB Noise Gate FOOTSWITCH 3 channels and FX loop bypass (RF1503) Dimensions (LxWxH in mm) 630x270x270 Weight (kg) 15.5.