This is a Local only sale. Im on the New Jersey shore about 2 hours from NYC and 1 1/2 hours from Philadelphia. The buyer will be able to test this unit however they want at my house. If the buyer is not satisfied I will cancel the sale. I will require the buyer to message me through ebay that the Unit is as described and that they have tested it prior to completing the sale. Due to the nature of electronics I have this sale as no returns. If theres something you want to see demonstrated please message me and Ill make a video Ill send to you. Pass x250 2 channel amplifier. Class AB 250 watts per channel X250 SPECIFICATIONS All figures obtained after 1 hour warmup, with regulated 120 VAC power line. See manual notes about AC power line regulation. Gain Freq. Response Power Output Maximum Output Voltage Maximum Output Current Input Impedance Damping factor Slew rate Output Noise Random noise floor Dynamic range Balanced CMRR DC offset Power Consumption Dimensions Shipping Weight 30 dB 0 dB at DC, -3 dB at 100 kHz 250 watts maximum @ 1% THD, 1 kHz, 8 ohms plus, minus 65 volts plus, minus 20 amps 22 kohm balanced, 11 kohm unbalanced 250 ref 8 ohms nominal approx. plus, minus 50 V/uS approx. 300 uV unweighted 20-20 kHz approximately 2 uV 148 dB (random noise floor to peak output) approx. -85 dB @ 1 kHz < 100 mv 270 watts idle, 1200 watts maximum 19 W x 22 D x 9.5 H 110 lbs.