Supports control via Sigmastudio, APP, and PC UI for flexible setup and realtime tuning. Integrated ADAU1701DSP chip Fcio for efficient digital signal processing. Integrated Bluetooth 5.0 chip for wireless audio streaming and control. Multichannel power 4x30W output to drive multiple speakers with ample headroom. External potentiometer allows direct adjustment of audio system parameters on the hardware. This product is suitable for DIY audio projects, small installations, and professional setups where DSP control, wireless connectivity, and multichannel amplification are needed. Use scenarios Home audio DIY or stereo upgrade: Use Sigmastudio for DSP design, control playback and parameters via APP or PC UI, and fine tune in real time. External potentiometer provides ondevice adjustment for rapid tweaks without a computer. Small venue or installation: Deploy in a compact PA or room system requiring four amplified channels (4x30W). Bluetooth 5.0 enables wireless control or streaming from mobile devices. Studio monitor or embedded audio device: Integrate a compact module in a studio monitor, speaker array, or embedded system. ADAU1701 DSP handles processing; external control through APP/PC UI supports precise setup and calibration.