TPA3116 bluetooth 4.2 Digital Receiver Amplifier Board 2.1 Channel HF208 NE5532 50W+50W+100W

Feature Supply voltage 10 25VDC with anti reverse protectionPower supply interface DC2 1 seatBluetooth version Bluetooth V4 2Default Bluetooth device name Xpecial Audio bulk device name can be customized Audio input mode wireless Bluetooth reception USB decoding audio input 3 5mm headphone stereoSupport playback format MP3 WMA WAV FLACFM radio you need an external antenna you need to use the remote control the FM word pad on the board Pre chip NE5532Amplifier chip stereo channel TPA3116 50W 50W bass TPA3116 BTL 100W Output power 50W 50W 100W bass Adjustment knob left and right channel output volume bass crossover point bass output channel volumeBoard size 97 78mm height about 22mmFixed hole size 91 72mmWeight about 102 gramsVersion model SW HF208Recommended power supply 24VDC 5A power supply current is not enough there will be a sound break when the volume is large and dynamic The speaker speaker power is not very large you can use 24V 3A power supply Speaker impedance 8 ohms is best can also drive 4 ohms 6 ohms 8 ohms etc Instructions for use The power on blue light flashes the paired devices are automatically paired and the external device can search for Bluetooth devices for pairing When using the u disk LINE IN 3 5 headphone holder is connected to the priority playback and the audio input can be switched remotely Package includes 1 x Digital Receiver Amplifier Board 1 x Remote Control