ZK-R21H Bluetooth Sound Power Amplifier Board 2.1 Channel Mini Audio Digital Amp Module TPA3116D2 50Wx2+100W Subwoofer

ZK-R21H Bluetooth Sound Power Amplifier Board 2.1 Channel Mini Audio Digital Amp Module TPA3116D2 50Wx2+100W Subwoofer

$31.99

🟢 In Stock

Feature:1. 2.1 channel bluetooth audio amplifier2. 50W+50W+100W subwoofer3. High-end audio experience4. Power amplifier chip: TPA3116D25. Features: Support Wuzhi Audio APP. Modify the bluetooth name, password settings, promptsSound volume adjustment, on/off...

✔️ WORLDWIDE FREE SHIPPING
✔️ 30 DAYS RETURN GUARANTEE
✔️ SECURE CHECKOUT

visamasteramerican expressgoogle paypaypal
Description
Feature:

1. 2.1 channel bluetooth audio amplifier
2. 50W+50W+100W subwoofer
3. High-end audio experience
4. Power amplifier chip: TPA3116D2
5. Features: Support Wuzhi Audio APP. Modify the bluetooth name, password settings, prompts
Sound volume adjustment, on/off prompt sound, sleep aid, sound effect selection + custom sound effect, U disk playlist, volume indicator brightness adjustment.

Specification:
 
Model: ZK-R21H
Name: 2.1 channel 50W+50W+100W subwoofer stereo bluetooth audio power amplifier
Power amplifier chip: TPA3116D2
Bluetooth version: 5.1
Audio input: Bluetooth+AUX+U disk+USB sound card
Audio output: left channel 50W + right channel 50W + subwoofer 100W
Adapter power supply: DC9-24V, 7A (can not be connected to AC)
Adapter speakers: left and right channels 15-50W, 4-8╬®; subwoofer 30-100W, 4-8╬® Volume adjustment: multi-function knob, 360-degree stepless tuning, with volume level indication.
Click: Play/Pause
Double click: mode switch (Bluetooth/U disk/AUX)
Press and hold for 1 second: turn on/off
Rotate: adjust the volume
Protection mechanism: over temperature, over current, short circuit, anti-static protection
Features: Support Wuzhi Audio APP. Modify the bluetooth name, password settings, prompts
Sound volume adjustment, on/off prompt sound, sleep aid, sound effect selection + custom sound effect, U disk playlist, volume indicator brightness adjustment.
Product size: 81x81x37mm
Product weight: net weight 106g, including packaging 150g

Package includes:

1 x ZK-R21H power amplifier board