Feature:
1. High performance, it uses a DC12‑24V single power supply, with TI s TPA3116D2 high‑performance digital power amplifier chip as the core, it can support 50W (left channel) + 50W (right channel) dual‑channel output.
2. Support Bluetooth audio receiver, it has external audio input interface, potentiometer with three tones of bass, midrange and treble, including function control switch and volume adjustment potentiometer.
3. Power‑saving design, it uses a wide working voltage, the efficiency is as high as 90percent , you can use a good switching power supply, the switching power supply of a notebook computer, and you can also use a rechargeable bottle or a car power supply.
4. High‑quality board design, it is a finished board that has been welded and tested, with stable performance, sturdiness and durability, and a long service life.
5. Simple operation, you only need to connect the speakers as shown, connect the appropriate power supply, connect the Bluetooth audio device, or connect the correct audio input.
Specification:
Item Type: Power Amplifier Board
Model: TPA3116
Material: PCB
Purpose: Bluetooth Power Amplifier Board, Tuning Accessories
Working Voltage: DC 12 24V (Current 3 4A, Such as The Above Power Requirements 20 24V 5 6A)
Bluetooth Receiving Distance: >Approx.8m 26.2ft
Bluetooth Version: 5.0
Sound Source Input Sensitivity: 600 800mV
Frequency Range: 20Hz 20KHz
Speaker Impedance: 4 8 Ohm
Output Power:
Power Supply 12V 8 Ohm Speaker:> 10W x 2
Power Supply 12V 4 Ohm Speaker:> 15W x 2
Power 21V 8 Ohm Speaker:> 30W x 2
Power 21V 4 Ohm Speaker: = 50W x 2
Power Supply 24V 8 Ohm Speaker:> 35W x 2
Power Supply 24V 4 Ohm Speaker:> 60W x 2.
Package List:
1 x Power Amplifier Board4 x Twisted Key4 x Screw4 x Copper Head Nut4 x Nut4 x Gasket
Note:
1. The actual test data and output power on the instrument are related to the power supply voltage current, speaker impedance and the size of the audio input. When the power supply voltage current is sufficient, the power supply voltage is usually higher, and the relative output power can be made larger. Speakers with different impedances also have different output power. Generally, speakers have smaller impedance and more power.2. If you want to use an alternating current (AC) transformer power supply, you must add a rectifier filter to the DC power supply, and the product can be used. Please note that the DC no‑load voltage should not exceed 25.5V (this is very important).
