Preowned in good working condition.Tested and Guaranteed. Good cosmetic condition with hairline scratches, small dings, stain spots... See photos for details The unit has been fully tested by a technician before anti-tamper stickers were placed. Serial number also has been recorded. The serial number: PM01085 30-Day Money Back Guarantee Power output: 50 watts per channel into 8? (stereo) - Bridgeable 150 watts into 8? (mono) XLR and 1/4 inputs, and 1/4 or binding post/banana jack speaker outputs. Professional form factor, 2U rack mount. All dials, all inputs and all 4 speaker outputs are cleaned and tested. Sound output is crisp and strong on all speakers output terminals. Use 120V/60Hz U.S. AC Power Only - Power consumption: Max 250W Yamaha P2075 first introduced in 1985 No return if due to buyer mishandling or damage because of lack of proper operational knowledge - and above all we are watching out for the part swappers if anti-tamper stickers on the unit removed or broke off. If you happen to be a local buyer, you are more than welcome to contact us by eBay message to stop by and audition the item prior to buying. Free shipping with an USA address only. No P.O Box. No International shipping Specifications Power output: 50 watts per channel into 8? (stereo), 150 watts into 8? (mono) 75 watts per channel into 4? (stereo) Frequency response: 10Hz to 30kHz Total harmonic distortion: 0.05% Damping factor: 100 Gain: 23 dB Input sensitivity: 1.23V Signal to noise ratio: 105dB Speaker load impedance: 4? to 16? Dimensions: 480mm (19) x 98mm (4) x 364mm (15) Weight: 9.5kg (21 lbs)