ZK-R302 Volume Indicator LED Bluetooth Audio Amplifier Board Module TPA3118 High And Low Bass Adjustment 30Wx2 Speaker

1. High-end audio experience

2. Protection mechanism: over temperature, over current, short circuit, anti-static protection

3. 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.

4. Power amplifier chip: TPA3118

5. Multi-function knob, 360-degree stepless tuning, with volume level indication.

Model: ZK-R302

Name: 2.0 channel 30WX2 stereo with high and low bass adjustment Bluetooth audio power amplifier

Power amplifier chip: TPA3118

Bluetooth version: 5.1

Audio input: Bluetooth+AUX+U disk+USB sound card

Audio output: left channel 30W + right channel 30W

Adapter power supply: DC9-24V, ≥3A (can not be connected to AC)

Adapter speaker: 10-50W, 4-8Ω

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

Rotation: 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: 81x81x34mm

Product weight: net weight 77g, including packaging 126g

1 x ZK-R302 bluetooth audio power amplifier board