1pair MX40 Stereo 50W 8R 100W 4R Power Amplifier Board Dual Channel Two

1pair MX40 Stereo 50W 8R 100W 4R Power Amplifier Board Dual Channel Two Boards  Parameters: Power supply voltage range DC Min>= + -12V. DC Max<= + -35V The voltage of the transformer cannot exceed AC24-0-24V Power output: 50W 8R. 100W 4R. Distortion thd <0.02% 20w 8r 20hz-20khz S/N ratio> 99DB gain =34 Input sensitivity 1V. Output power 50W 8R PCB size: 51*51 MM does not include the size of the power tube. Briefly talk about wiring:  The power supply is three lines VCC+ GND VEE- The voltage cannot exceed + -34V It is recommended to be within 30V. Direct current The blue socket is the INPUT input signal +- OUT + is the positive pole of the speaker Package: 1pair MX40 Stereo 50W8R 100W4R Power AMP Amplifier Finished Board Payment Method: PayPal preferred Shippment: 1.We provide free shipping to international via China Post Airmail, and every parcel will be registered with tracking number. We can also ship by UPS/EMS/DHL/FedEx for alternative shipping method for corresponding fees. Please let us know before payment if you need split shipment. 2.International shipping requires complicated shipping procedures (such as both countries customs, transit stations etc.), also will be affected by many factors, such as holidays, weather conditions etc, If you have not received your shipment within 30 days from payment, please contact us. 3.Time of Delivery:Based on the China Post Airmail and our experience, kindly please be noted that To United States / United Kingdom / Australia, it takes around 10-15 business days; To Canada, it takes around 12-18 business days; To Brazil / South America, it takes around 25-35 business days. To Italy / France / Spain / Germany/ Eastern Europe, it takes aournd 15-20 business days. Returns & Replacements & Repair: We accept returns & replacements within 30 days from the day the customer receive the products, please make first contact within 30 days from receiving the order. Products should be returned in original condition. As a benefit to our customers, we also provide repair within 3 months from the day when this item is shipped out, after repair is done, we will send you the item, but the customer should pay both shipping ways. Feedback: 1)Your Feedback is really important to us, please take a few seconds to leave great feedback if you are satisfied with our product or service, thank you so much !! 2)We always offer the lowest price for best goods and service to you. 3) Please contact us before leaving neutral(3 stars) or negative(1-2 stars) feedback.We will try our best to solve the problem and leave you a happy shopping mood here. Thank you!

Returns Accepted for this item if it's within 30 Days