50w Tpa3116 Subwoofer Amplifier Board 2.1 Channel High-power Audio Digital Amplifier Board Bluetooth 5.0

• --This is a 12-24V DC single power supply, using TI's TPA3116D2 high-performance digital power amplifier chip as the core.
• --One for parallel bridge bass channel power amplifier output, and one for left and right channel power amplifier output.
• --It can support 100W (bass channel) + 50W (left channel) + 50W (right channel) three-channel output.
• --Wide operating voltage, power saving design, efficiency up to 90%.
• --New version: Bluetooth-compatible 5.0.

Feature:

1. Support Bluetooth-compatible audio reception, external audio input interface, with pre-amplification, bass frequency division processing; bass volume, bass frequency, left and right channel volume, treble, function control switch/total volume, 5 adjustment potentiometers.
2. Wide operating voltage, power saving design, efficiency up to 90%. You can use a good switching power supply, a laptop switching power supply, a charging bottle, or a car power supply.

Description:
Product Name: Amplifier Board
Working voltage range: DC 11-25V (current 3-4A, or 19-24V/4-5A, if high power requires 20-24V/8-9A or more)
Bluetooth-compatible receiving distance: 8 m (no obstacles)
Audio input sensitivity: 600-800mV
Frequency response range: 20Hz-20KHz
Speaker impedance: left and right channel speakers: 4-8Ω; woofer impedance: 2-8Ω
Packing list:
Amplifier Board x 1 set
Note:
1. Due to manual measurement, please allow 1-3cm error. Make sure you don't mind before bidding.
2. Due to the difference of different monitors, the picture may not reflect the actual color of the product. Thanks.