Bảng mạch bảo vệ loa khuếch đại ba kênh công suất cao 2.1

#Power #Amplifier #Speaker #Protection #Circuit #Board #2.1 #Three-channel #High-power #Relay #Speaker #Protection #Module #Protector Power Amplifier Speaker Protection Circuit Board 2.1 Three-channel High-power Relay Speaker Protection Module Protector 100% brand new and high quality Features: Speaker protection board has features of starting delay of about 3 seconds, prevent DC impact on the speaker when starting up. The protection board has simple circuit, safe and reliable. Protection board uses three 10A high-power relays, which can be easily connected to various power amplifier boards. Dual indicator lights display, one is the power indicator, the other is the switch indicator. Specifications: Working voltage: AC 12-18V, independent power supply is required. Material: Plastic Size: app.67x50mm/2.64x1.97in Color: As pictures shown Quantity: 1pc Note: No retail package. Please allow 0-1cm error due to manual measurement. pls make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you! Package includes: 1 x Protection Circuit Board (other accessories demo in the picture is not included.)