1. This is a support for Bluetooth audio receiver board , with amplifier amplification, bass frequency processing. with low, left and right channel volume adjustment, treble adjustment, total control volume of the potentiometer 2.1 amplifier board .
2. DC power supply 12-24 V power supply, maximum support 50 W (left channel) + 50 W (right channel) + 100 W (bass channel) - three output channels.
3. IT company's use of the United States TPA3116D2 digital amplifier chip as the core, a parallel bridge subwoofer output, make a left and right channel output.
4 .. Wide operating voltage of up to 90% efficiency. can use the good performance switching power supply, laptop switching power supply, you can also use the charging bottle, or car power supply, etc.
the main parameters of the product:
size (L * W * H): 101x100x25 m m, excluding potentiometer and projection socket
Operating voltage range: DC 11-25 V (current 3-4A, or 19-24V / 4-5A, such as high power requirements 20-24 V / 8-9A above)
Bluetooth receive distance:> 8 m (in meters)
Audio input sensitivity: 600-800mV
Frequency response range: 20Hz-20KHz
speaker impedance: left and right channel speakers: 4-8 ohm , bass speaker impedance: 2-8 ohm
TPA3116D2 Bluetooth 2.1 Digital Audio Amplifier Board 50 + 50 w + 100 w of HIGH Bass Fidelity For Subwoofer Speaker