MIC/AUX/BT 30W Audio Power Amplifier With Volume Control Box

This product integrates the following feature in single product:
1. 3 audio source: microphone, wired audio source (AUX-IN), and wireless audio (Bluetooth)
2. audio power amplifier
3. Volume (local site and remote site)
4. adjustable Bass and Treble Knobe.
5. Over 20Meter wireless audio distance