30W+30W Stereo Bluetooth Amplifier Module

This compact stereo amplifier module delivers 30 watts per channel (60W total RMS) into 8 Ω speakers, powered by a 9–24 V DC / 3 A adapter (AC not supported). Measuring and weighing as a lightweight ABS-built board module, it supports multiple audio inputs — Bluetooth 5.1, 3.5 mm AUX, USB playback, and USB sound card mode — with left/right discrete outputs. Volume is precisely adjusted via a classic mechanical knob offering smooth, stepless control and clear scale markings. Power is toggled instantly using a one-turn mechanical switch. Built-in protection includes overheating, overcurrent, short-circuit and electrostatic discharge safeguards. The module is designed for integration into custom audio builds and supports speakers rated 10–50 W at 8 Ω impedance. The Wuzhi Audio App enables deep Bluetooth-level configuration: custom device name, password lock, prompt sound volume adjustment, on/off prompt toggle, sleep timer shutdown, 10-band EQ selection, and user-defined sound effect tuning. A dedicated app timer allows scheduled auto-power-off for energy-conscious use. All controls — tone, effects, and system behaviour — are fully configurable without hardware modification.