The board adopts the classic OTL circuit of TDA2030A, which is powered by a single power supply (with power supply reverse protection). It is convenient to supply power by common adapter and switching power supply. The resistance container mostly adopts the standard patch technology, which is simple and stable.
Special interface is designed for bluetooth audio receiving module, with built-in 5V voltage stabilizing circuit, which can be upgraded to bluetooth audio product easily.
The board can be connected with 8 ohms or 4 ohms, suitable for full frequency speakers or bookcase
Power supply voltage: DC10V-DC30V
Output power: 15W X 2