Subwoofer Power Amplifier Board Home Theater Audio Bluetooth Speaker Diy Supply

Description

Subwoofer Power Amplifier Board Home Theater Audio Bluetooth Speaker Diy Supply
Description:
Brand Name: Aiyima
2.1 Subwoofer amplifier board, onboard Bluetooth 5.0 chip, supports the installation of AUX (audio input) and USB (playing U disk and card reader), and can also be equipped with IR (remote control function) and AD_KEY (button control)!
USB can support all lossless format audio file playback (WAV FLAC APE WMA MP3, etc.) multiple audio formats!
TPA3156D2 power amplifier board output power: 2*70W+140W4Ω, the power supply is 24V10A. (Amplification gain is 36dB for subwoofer + 32dB for left and right channels)
Product name: TPA3156D2 Bluetooth 5.0 Subwoofer 2.1 Power Amplifier Board
Power amplifier chip: TPA3156D2*2
Power supply: 8V-24V DC power supply (DC24V 5A power supply is recommended)
Current: 3-10A
Output power: 2*70W+140W
Bluetooth chip: AC6925
Bluetooth version: Bluetooth 5.0
Output impedance: 4 ohms
Channel: 2.1 channel
Distortion ratio: THD-1%
The left and right channel gain is 32dB, supporting full-range speakers within 3 to 6.5 inches, 8 ohms and 30W
The gain of the subwoofer is 35dB, and it supports subwoofers above 6.5-8 inches and 4 ohms below 140W.
1. Wide voltage power supply: 8V-24V DC power supply (cannot connect to the transformer)
2. Different voltage output different power: voltage X current = power (the conversion rate of this board is 90%)
3. The output current parameters of the digital power amplifier voltage activation are as follows:
8 V power supply maximum 3A current = 24W (total power) 90%
12V power supply maximum 5A current = 60W (total power) 90%
18V power supply maximum 6A current = 108W (total power) 90%
24V power supply maximum 8A current = 192W (total power) 90%
Package Include:
1 X TPA3156D2 Bluetooth 5.0 Subwoofer 2.1 Power Amplifier Board