Sell ❅☃Agoal 2.0/Dual-Channel High-Power Speaker Protection Board Audio Protector Dual Relay with Start A best price

❥(^_-)Welcome to my shop All products are in stock Place an order if you like it Pack it for you on the same day! 【Feature】 1. With time delay and DC protection 2. The universal power supply DC protection board uses an optocoupler. Since optocouplers have inputs and outputs isolated from each other, 3. Electrical signal transmission has the characteristics of unidirectionality, with good electrical insulation and anti-interference ability. 【Operating Voltage】 AC 12-18V Channels: 2 channels color: blue Material: PC board Size: 68 * 50mm 【Package Contents】 1 * Speaker protection board [Come to my shop] Shipped on the day of purchase, all products are in stock You will get the biggest discounts and the most satisfactory products, If you are satisfied with our products, please give us five stars If you are not satisfied, please contact us before scoring! ! 100% ready-made inventory; guaranteed delivery as soon as possible after successfully placing the order; the average arrival time is 5-7 days after delivery! !