The board adopts the typical circuit of TPA3110, adopts a single power supply with anti-reverse connection, it is convenient to use a universal adapter and switching power supply for its power supply, most of the resistance components are standardized patch technology, simple and stable. Design a special interface for the Bluetooth audio receiving module, built-in 5V voltage regulator circuit, can easily DIY Bluetooth speakers. The output power is 15W X 2 (@16V), the board can be connected to 8 ohm and 4 ohm speakers.
Interface Description:
Power supply voltage: 10-25VDC
Power supply current: 2A or above recommended
Output power: 15W X 2 (@16V)
Size: length 44MM x width 40.5MM