ขาย บอร์ดขยายเสียงสเตอริโอบลูทูธ 5.0 10W / 15W / 20W ราคาที่ดีที่สุด

Name: 20W+20W stereo bluetooth digital power amplifier board el: XY-AP15H Transmission distance: 15m Bluetooth version: 5.0 Number of channels: left and right channels Adapted speakers: 30W-200W 4 ohms 8 ohms 16 ohms Colour:black Material:plastic Size:52x52mm Package Contents: 1x Amplifier Precautions for use: 1. Use the power amplifier board as far away as possible from the WIFI signal (router) 2. The recommended power supply voltage is DC 8~24V, if it exceeds 26V, the chip will burn. 3. The power supply does not exceed 12V when connected to a 4ohm speaker, and does not exceed 24V when connected to an 8ohm speaker 4. The power supply current is recommended to be above 2A. 5. The working power of the ule exceeds 20W*2, and a heat sink is requiredOnly the above package content, other products are not included. Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.