beyerdynamic introduces accordion microphone and mixer for wireless and wired applications
Dual Channels 2 UHF Wireless Microphone Condenser Instrument Mic for Accordion | eBay
Kimafun KM-CX710 Wireless Dual Accordion Microphone System
Internal Diatonic Accordion Microphones (left & right hands)
DPA 4099-DL-1-101-A Stereo Mic Kit for Accordion
Kimafun Km-710 2.4g Wireless Microphone Designed For Accordion Professional Musical Instrument Condenser High Fidelity Voice Mic - Microphones - AliExpress