Combo of 250W 2N3055 audio amplifier board with bluetooth module and remote This is an upgraded version of previous amplifier boards. This board contains heavy-duty circuits to give you the best experience. It helps you with amplifying the low-quality audio into high and better-quality of sound. This board has 2N3055 transistors for heavy loads. Also, the Bluetooth module comes with FM, MP3, Bluetooth, USB, aux, and memory card slot for easy access. Moreover, a remote (Assorted) also comes with this combo. The remote (Assorted) works very well with the module in a minimum distance. The Input voltage for the board is 18-0-18. So, you need to connect a mini transformer and the board is ready to go. The board is fully customized. You won't face any type of difficulty in organizing this board. Please use a good type of speaker for a better experience. Features Upgraded version 2N3055 audio amplifier board Best quality bluetooth module with digital display Good quality remote (Assorted) for ease 2 speakers output system Excellent performance