Sell HF208 Bluetooth Digital Power Amplifier Board TPA3116 50W+50W+100W (Bass) 2.1 Channel Speaker Power Amplifier Board best price

Audio input e: wireless Bluetooth reception, USB decoding, audio input socket (3.5mm earphone socket) stereo Support playback formats: MP3, WMA, WAV, FLAC FM radio: You need to use your own external antenna, and you need to use the remote control (there are FM word pad points on the circuit board) Product name: Bluetooth digital power amplifier board Power supply voltage: 10~25VDC (direct current) with anti-reverse connection protection Power supply interface: DC2.1 seat el: HF208 Bluetooth version: Bluetooth V4.2 Default Bluetooth device name: Xpecial Audio Pre-chip: NE5532 Power amplifier 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 volume Circuit board size: 97 x 78mm, height about 22mm Fixing hole size: 91 x 72mm Recommended power supply: 24VDC more than the 5A (the power supply current is not enough, the sound will be interrupted when the volume is turned on and the dynamic is large) 24V 3A power supply can be used when the speaker power is not very large Speaker impedance: 8ohm is the best, and it can also drive speakers such as 4ohm, 6ohm and 8ohm Instructions for use: The blue indicator light flashes when the power is turned on (the paired devices will be automatically paired), and the external device can search for Bluetooth devices for pairing. U disk, after LINE IN (3.5 earphone holder), access priority to play, can remotely switch the audio source input Colour:Red+black Material:PCB+metal Size:97 x 78 x 22mm Package Contents: 1 * Power amplifier board 1 * remote controlOnly the above package content, other products are not included. Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.