Douk Audio M3 Bluetooth 5.0 Amplificatore Stereo Audio Receiver 2.1 Channel Mini
Douk Audio M3. Model: Douk Audio M3. M3 can drive both active subwoofers and passive subwoofers. You can use it to build 2.0 / 2.1 / 2.2 audio system easily. 1 M3 Amplifier. Bluetooth 5.0. Support RCA / Bluetooth / USB multiple inputs.