Blue For Audio Expansion Module XH M314 for Decoding and Enlargement 71x52x13mm

For Audio Expansion Board XH M314 with Dual 45W Amplifiers Blue PCB 71x52x13mm

M314 Expansion Board for Audio Output Enhancement and AUX Signal Decoding Blue

OE-BT03 1W Power Digital Module for Remote Audio Decoding Applications

XH-M577 Stereo Audio Tone Board 2x80W DC12-24V Input 45x Amplification

OE-BT03 Compact Digital Module 35mm x 15.5mm for Audio Receiver Decoding Tasks

XH-M577 Stereo Audio Tone Control Board 2x80W Output DC12~24V 60g Lightweight

XH-M577 2-Channel Digital Audio Tone Board 80W x2 Output DC12V-24V Input