Sell Bluetooth 5.0 Treble and Bass Adjustment Audio Power Amplifier Board,DIY Power Amplifier Motoard best price

Name: Bluetooth power amplifier board, Bluetooth version: 5.0, Audio input: Bluetooth+AUX+U disk+USB sound card, Volume adjustment: high-end encoder knob adjustment, smooth feel, Frequency range: 20HZ-30KHZ, Signal to noise ratio: 92db, Output power: 50Wx2, Protection mechanism: electrostatic, over-voltage, under-voltage, over-heating, DC detection and short-circuit protection, special functions: support Sinilink-Appp control, Product size: 95x70x25mm, Material:PC+metal colour:Black Package Contents: 1 x upper cover 1 x lower cover 1 x product bare board 4 x knob caps 4 x M2 x 4+3 copper posts 8 x M2 x 3 screws 4 x M2 x 18 copper posts 1 x DC adapter 1 x heat sink 1 x thermal silicone pasteOnly 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.