3.7V Stereo Amplifier Board, 5-15W Mono DIY Audio Mainboard Module with

3.7V Stereo Amplifier Board, 5-15W Mono DIY Audio Mainboard Module with Kuvaus

1. 3.7V power supply; compatible with single-cell lithium batteries-an ideal choice for DIY portable speakers.
2. Supports TWS pairing: Wirelessly connect two units to instantly create a stereo sound system.
3. Features battery level indication, low-battery alerts, and an auto-shutdown function (powers off after 10 minutes of inactivity).
4. Equipped with a multi-functional power and a Type-C charging port (supports reversible plug-in).
5. Simple wiring; perfect for speaker modifications and DIY portable audio projects-easy to set and use.

Product Name: 3.7V Amplifier Board
Version: V5.3, supports TWS (True Wireless Stereo) pairing
Recommended Speaker Power: 5-15W (4Ω); capable of driving speakers to 20W
Charging: Type-C interface, 1A charging current, includes a charging indicator light
Single-board configuration: Mono output (mixed stereo)
Dual-board configuration: Stereo output (automatically assigns left/right channels upon pairing)
Important Notes
Please use a certified 3.7V lithium battery equipped with a protection circuit (BMS) and capable of a discharge current of at least 2A.
Does not support fast charging; please use a low-power charger (approx. 1A) for charging.
Color: As Shown
Material: PCB

Package Contents:
1*Module