915 Generation 2PCS Bluetooth TWS Amplifier Board 2 Line in Audio Receiver

Amplifier board size: 2.9x2.9CM pair power amplifier board can be used alone, or can be used as a pair box after TWS pairing
With call function, power on, the default volume is maximum
5V: drive 2x4O3W
6.5V: drive 2x4O5W Color: Green
Material: PCB
VCC, GND: power supply pins
LN(-), LP(+): Left speaker
RN(-), RP(+): Right speaker
: The common terminal of the key, the other end of the key is connected to +, -, PREV, respectively
AUXL, AUXG, AUXR: Audio input
AUXD: Audio input detection pin, the input low level switches to the audio input state
"MATCH" button description:
Step 1: Power on
When the speaker is powered on for the first time, it will enter the single-speaker pairing state after more than ten seconds.
If the two speakers are not powered on for the first time, and the master and slave have been set, they will automatically .
: Master-slave Press and hold the MATCH button for 1S, the speaker enters -to-box interconnection state, the LED light flashes at a of 200MS, and there is a prompt tone at the same time
Step 3: Automatically connect to The speakers enter -to-box state, and the two speakers are automatically connected. After connecting, the master and slave devices are automatically assigned. The master LED light flashes at a of 600MS, the slave LED lights are always on, and there is a prompt tone at the same time. Package Contents:
2 x Amplifier Board Only the above package content, other are not included.
Note: Light reflection and different displays may cause the color of the item in the a little different from the real . The measurement allowed error is +/- 1-3cm.