<![CDATA[iFixit - Answers With Device "Sennheiser HD428"]]> https://www.ifixit.com/Answers/Device/Sennheiser_HD428?rss=yes en-US Sat, 04 Apr 2026 20:29:32 -0700 <![CDATA[Sennheiser HD428: Why is my headphones only working in one side]]> Why is my headphone only working in one side is it because theres a missing line on the plug or is there a technical problem?

⟐ Commented April 18, 2017 at 10:24 MST

]]> https://www.ifixit.com/Answers/View/391628/Why+is+my+headphones+only+working+in+one+side https://www.ifixit.com/Answers/View/391628 Tue, 18 Apr 2017 10:24:37 -0700 <![CDATA[Sennheiser HD428: How do I repair the volume control?]]> Sennheiser HD 4.40 BT

I really need some help. My dad just brought me a pair of Sennheiser HD 4.40 BT, and withing 3 days, I dropped them, and now the up on the volume control is mushy and doesn't do anything. The down volume still works. How would I fix it? And where could I get the parts? Thanks in advance.

⟐ Commented July 08, 2022 at 22:44 MST

]]> https://www.ifixit.com/Answers/View/421631/How+do+I+repair+the+volume+control https://www.ifixit.com/Answers/View/421631 Fri, 08 Jul 2022 22:44:37 -0700