ขาย Bsbl Hifi เครื่องขยายเสียงสเตอริโอไร้สายบลูทูธ 5.0 Tpa3116 50Wx2 ราคาที่ดีที่สุด

Features: Mini version 50Wx2 Bluetooth digital power amplifier board (knob adjustment volume with switch) The potentiometer adjusts the volume with a switch for easy control of the volume, making it ideal for DIY speakers.If it is a metal box, you need to bring out the Bluetooth antenna. The copper DC connector is used to withstand high current and no heat. Capacitor 470uf35V solid capacitors ensure power storage and heat dissipation, and stable power supply is a prerequisite for good sound quality. Free DC head lead, compatible with the input power interface of this product, even if you don't have a DC head adapter or battery, it can be easily wired. 5.0 Bluetooth version, the transmission efficiency is higher, the transmission distance is farther. Precautions for use: The power switch on the board is the standby switch. After the switch is turned off, the machine is in a low-power standby state. To completely turn off the power or unplug the DC plug on the machine for a long time. Package includes: Bluetooth amplifier board*1 Note: 1.Due to the different monitor and light effect, the actual color of the item might be slightly different from the color which is showed on the pictures. 2.Please forgive 1 cm/0.39"-3 cm/1.18" measuring deviation due to manual measurement.