1002L MINI 2x100W TPA3116 bluetooth 5.0 Digital Power Amplifier Board with Switch and Adjustable Volume with Shell

This is 1002L MINI If you need other parameters please click ID to buy 502C HIFIID 1582750502L MINIID 16526301002 HIFIID 1652632 Specifications Features 1 5 0 bluetooth version transmission efficiency is higher transmission distance is longer 2 Large size black gold heat sink ensures efficient heat dissipation 3 potentiometer to adjust the volume easy to control the volume very suitable for DIY speakers If it is a metal box you need to draw out the bluetooth antenna 4 Copper DC connector is adopted to withstand high current and no heat 5 4 470uF green gold capacitor guarantees the power storage capacity and the continuous and stable power supply is the premise of good sound quality 6 The DC head with cable can be compatible with the input power interface of this product Even if you dont have the DC head adapter or battery you can connect it easily Note The power switch on the board is standby switch and the machine is in standby state with low power consumption after the switch is turned off To completely turn off the power or to remove the DC plug on the machine for a long time it is ok Question answers 1 How to choose the power source The boards power supply is crucial The higher the voltage the greater the current the more power output if you only have 12V 1A this can carry 3 4 inch speakers If you are above 19V 5A with 8 10 inches no problem power must be highly regarded If the voltage is too low the sound will easily cau