Crown DC-300A Laboratory power amplifier.-Power output: 155 watts per channel into 8Ω (stereo), 310 watts into 16Ω (mono)-Frequency response: 1Hz to 20kHz-Total harmonic distortion: 0.05%-Damping factor: 750-Gain: 26.3 dB-Input sensitivity: 1.75V-Signal to noise ratio: 110dB-Speaker load impedance: 8Ω to 16Ω-Dimensions: 19 x 7 x 9.75 inches-Weight: 45lbsThe DC-300 is a dual channel, high power amplifier for precision amplification of frequencies from DC to 20KHz.