500W +/-30v~70Vamplifier dual-voltage PSU audio amp switching power supply board Description 500W amplifier switching power supply board dual-voltage PSU input voltage: AC100-120V/200-220V Output Power :500VAoutput voltage ：+/- 30VDC,+/- 35VDC+/- 37VDC,+/- 40VDC,+/- 45VDC,+- 50V DC+/- 55VDC,+/- 60VDC,+/- 70v DC All auxiliary voltage: +/- 15V, 1A (shared GND with the main voltage)+ 12V, 0.5A (separate ground wire);Dimensions: 100 * 133 * 50mm package ： 1pcx 500W +/-30v~70Vamplifier dual-voltage PSU audio amp switching power supply board If you have any questions, please contact us in time, we will help you deal with the problem for the first time. Shipping Item will be shipped within 24 -48 hours after full payment is received. Normally the shippment to worldwide is used to take 15 to 30 business days, exclude Sat & Sun. Payment Payment must be received in 7 business days of auction closing. Please leave note for your special request (e.g. Colors or Size) in ebay note when you pay the order. Any special request cannot be accepted after 24 hours of payment,because most of orders will be processed instantly and same day dispatched. Contact Us If you have any questions, please feel free to email our servicer ，and we will reply you ASAP. If no response within 24 Hours, please check the spam of mail box or kindly re-send it to us. We greatly appreciate your POSITIVE feedback. Please do NOT leave negative or neutral feedback without any contact. If you haven't received item in 45 days, please contact us and we will arrange refund or resend Feedback We care about our valued buyers, if you have any questions, our Customer Service staffs will be very glad to help you. We try our best to reply your email as soon as possible, please kindly allow 24 hours(working day) for us to response. Thank you. We greatly appreciate your POSITIVE feedback. Please do NOT leave negative or neutral feedback without any contact.