Sell Bluetooth Amplifier TPA3116D2 2.1 Subwoofer Amplifier Digital Audio Board 50Wx2+100W HIFI Treble Bass for Home Speaker best price

Working voltage range: dc 12-24v (current 3-4a, or 19-24v / 4-5a, if the power requirement is higher than 20-24v / 8-9a), If AC (AC) transformer power is used, the rectifier filter must be added to DC (DC) power. Bluetooth receiving distance: more than 8 m(m), version 4.2 Audio input sensitivity: 600-800mv, frequency response range: 20hz-20khz,Horn impedance: left and right channel: 4-8 ohm, bass track: 2-8 ohm Wide operating voltage, power-saving design, efficiency up to 90%. It can use the switching power supply of good performance, the switching power supply of laptop, the charging bottle, or the on-board power supply, etc. colour: picture color Material: ABS size: about 10*10*3cm Package Contents: 1 * Bluetooth Amplifier boardOnly 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.