The Rotel RB-990BX stereo amplifier with the Rotel RC-870 pre-amp is a perfect combination for everybody that wants a lot of power, with an excellent sound. The system is in great condition. Know for it's quility build, the Rotel RB-990BX is a beast that delivers a dynamic, detailed and clear sound. Rotel RB-990BX specifications: Power output: 200 watts per channel into 8Ω (stereo) Frequency response: 4Hz to 100kHz Total harmonic distortion: 0.03% Damping factor: 1000 Input sensitivity: 1V Signal to noise ratio: 120dB Speaker load impedance: 4Ω (minimum) Dimensions: 440 x 120 x 375mm Rotel RC-870 specifications: Frequency response: 4Hz to 100kHz Total harmonic distortion: 0.004% Input sensitivity: 0.35mV (MC), 2.5mV (MM), 150mV (line) Signal to noise ratio: 64dB (MC), 78dB (MM), 95dB (line) Output: 1V (Pre out) Dimensions: 430 x 66 x 317mm Will be carefully packed and shipped.