Sell TPA3116 Bluetooth 5.0 Digital Power Amplifier Board 50Wx2+100W High Power 2.1 Channel Subwoofer Power Amplifier Board best price

1. This is a 12-24V DC single power supply, using TPA3116D2 high-performance digital power amplifier chip as the core, one for the parallel bridged bass channel power amplifier output, and the other for the left and right channel power amplifier output. 2. It can support 100W (bass channel) + 50W (left channel) + 50W (right channel) three-channel output. 3. Support Bluetooth audio reception, external audio input interface, with preamplifier, bass crossover processing; bass volume, bass frequency, left and right channel volume, treble, function control switch/total volume, 5 adjustment potentiometers. 4. Wide working voltage, power-saving design, efficiency as high as 90% or more. You can use switching power supplies with good performance, laptop switching power supplies, rechargeable bottles, or car power supplies. 5. The board is a finished board that has been welded and tested. Connect the speaker box according to the diagram, connect the appropriate power supply, connect the Bluetooth audio device to play, or connect the audio source input correctly, and then you can use it. Product name: Bluetooth power amplifier board Working voltage range: DC 1224V (current 34A, or 1924V/45A, if the power requirement is higher than 2024V/89A) If you use an alternating current (AC) transformer power supply, it must be rectified and filtered to convert to a direct current (DC) power supply It can be used. Note that the noload voltage of direct current (DC) should not be greater than 25.5V (this is very important) Bluetooth receiving distance: Greater than 8 m (meters), Bluetooth version: Bluetooth 5.0 No obstacles block the receiving distance, and the Bluetooth performance of the mobile phone itself will also affect the receiving distance. Audio input sensitivity: 600800mV Frequency response range: 20Hz20KHz,<br />Speaker impedance: left and right channels: 48 ohms, bass channel: 28 ohms Product size: 99.9x99.9mm Material:PCB+metal colour:Black + Blue Package Contents: 1 x Bluetooth power amplifier board Only 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.