Replacement Audio Upgrade Cable for Sennheiser HD4.40, HD 4.40 BT, HD4.50, HD 4.50 BTNC, HD4.30i, HD4.30G - Walmart.com
100%Original Sennheiser HD 4.40BT Wireless Bluetooth Headphones Over-ear Headset Noise Cancelling Headphones Foldable with Mic - AliExpress
Sennheiser HD 40 høretelefoner - driver/element ønskes kjøpt | FINN torget
Replacement Cable with in-Line Mic Remote Volume Control Compatible with Sennheiser HD4.40, HD 4.40 BT, HD4.50, HD 4.50 BTNC, HD4.30i, HD4.30G Headphone and Compatible with iPhone iPod iPad - Newegg.com