1pair Mini XLR 4 Pin Male Plug + Female jack Small Metal XLR 4P Audio Socket Microphone Connector MIC Adapter for OD5mm Cable|4 pin male|4 pin male female4 pin female - AliExpress
ベスカー Bescor 4-Pin XLR Male to 2 4-Pin XLR Female Y-Cable - 6" - プロジェクターの通販専門店
DH-Labs 4-pin mini XLR connector for headphones - Fidelity Components Shop