Bluetooth DSP Tuning EQ40 Electronic Frequency Division Module TWS Pre-amplifier

Mono Channel 30W Bluetooth 5.3 Stereo Audio Amplifier Board Module TWS

FM-Transmitter 87-108MHz DSP PLL Digital Wireless Board Microphone Stereo Module

DSP Digital Reverb Circuit Module Voice Changer EQ Audio Reverb Board DC12-18V

87-108MHz FM Transmitter DSP PLL Digital Wireless Board Microphone Stereo Module

Audio Isolation Noise Reduction Module Audio DSP Common Ground Amplifier

DC7-24V Mono 100W TPA3116 Bluetooth Audio Power Amplifier Module TWS