AS21HPA High-Power Bluetooth Digital Sound Amplifier Board 2.1 Channel Subwoofer 300W*2+600W TPA3255 Bluetooth Speaker Board

Features:
1. Adopting TPA3255 chip, audio power core, high efficiency, low power consumption, high-definition sound quality, and comprehensive protection mechanism.
2. With protection function, reverse power protection is safer.
3. Easy to use, independent tuning of high and low frequencies, more convenient to use.
4. Low loss, using digital amplifier specific inductors for lower losses.
5. Multiple decoding options, supporting Bluetooth audio decoding and USB flash drive decoding.

Product Introduction:
This model is designed with 2 original imported TPA3255 amplifier chips, with dual cores for greater stability. TPA3255 is a high-performance D-class power amplifier that has D-class efficiency and can deliver truly high-end sound quality. The device features advanced integrated feedback design and proprietary high-speed gate driver error correction function (PurePath HD). This technology enables devices to maintain ultra-low distortion across the entire audio frequency band while showcasing high-definition sound quality.

Parameter:
Product Name: Bluetooth Audio Amplifier
Product Model: XY-AS21HPA
Power supply: DC19-51V/10A or above
DC socket interface: 5.5-2.5mm
Bluetooth version: 5.2
Audio input: Bluetooth+AUX+USB flash drive+USB sound card
Bluetooth audio decoding: AAC SBC
USB decoding: WAV, FLAC, APE, MP3
Left and right channel output power:
30W+30W @ 8Ω/24VDC
70W+70W @ 4Ω/24VDC
80W+80W @ 8Ω/36VDC
160W+ 160W@4 Ω/36VDC
160W+ 160W@8 Ω/50VDC
300W+ 300W@4 Ω/50VDC
Subwoofer output power:
30W @ 8Ω/24VDC
70W @ 4Ω/24VDC
150W@2 Ω/24VDC
80W @8Ω/36VDC
160W@4 Ω/36VDC
350W@ 2Ω/36VDC
160W@8 Ω/50VDC
300W@4 Ω/50VDC
600W@ 2Ω/50VDC
Size:
Integrated potentiometer: 124 * 124 * 32mm
Integrated shell: 124 * 142 * 44mm
External potentiometer: 124 * 124 * 32mm

Package include:
1X power amplifier board(including accessories)