Amazon.com: Geekria QuickFit Audio Cable with Mic Compatible with Bang & Olufsen B&O HX, H9i, H8i, H9 3rd Gen, H8, H4, B&W PX, PX7 Cable, 3.5mm Aux Replacement Stereo Cord with Inline
Amazon.com: Bang & Olufsen Beosound A1 (2nd Generation) Wireless Portable Waterproof Bluetooth Speaker with Microphone, Anthracite : Electronics
BeoMic MD8 Microphone
Amazon.com: Audio Replacement Cable with in-Line Mic Remote Volume Control Compatible with B&O Play by Bang & Olufsen Beoplay H6, H7, H8, H9, H2 Headphones and Compatible with iPhone iPod iPad Apple
Xaudia Microphone Blog: Upgrades for B&O microphones.
Geekria QuickFit Audio Cable with Mic Compatible with Bang & Olufsen B
Amazon.com: Bang & Olufsen Beoplay EX - Wireless Bluetooth Earphones with Microphone and Active Noise Cancelling, Waterproof, 20 Hours of Playtime : Electronics
Bang & Olufsen 3394075, Calibration Microphone For B&O - New Open Box | eBay
Dynaco B&O Model 200 Stereo Ribbon Microphone Vintage [USED]
Bang-Olufsen microphones
Xaudia Microphone Blog: The Bang and Olufsen ribbon microphone family
BeoMic BM5 Microphone
B&O BM-5 Stereo Ribbon Microphones
Bang & Olufsen 3394075, Calibration Microphone For B&O - New Open Box | eBay