Sennheiser Audio Players & Recorders - Page 4 - Recent Questions, Troubleshooting & Support


do you have a microphone enabled? If so, you may have to move its location away from the headphones.

Sennheiser HD428... | Answered on Nov 23, 2017


Return them as defective.

Sennheiser HD... | Answered on Nov 21, 2017


  1. RETURN TO SENDER

Sennheiser Audio... | Answered on Nov 20, 2017


Contact the supplier / dealer where you bought the unit.

Sennheiser Audio... | Answered on Nov 20, 2017


Can you remove the rechargible batteries ? To try and reset them ? Or maybe replace them ? It sounds like the batteries have gone bad and not charging

Sennheiser HDR... | Answered on Nov 12, 2017


Have you plugged the headphones into the L/mono jack or the R jack?? also, is it a headphone out or a monitor out??

Sennheiser HD 25... | Answered on Oct 30, 2017


Check out my blog that contains information on headphone cable problems.
Real Life And Real Charts

Sennheiser HDR... | Answered on Oct 18, 2017


check with the manufacturer's website . Perhaps they have technical support

Sennheiser RS... | Answered on Oct 10, 2017


Good Quality new batteries will not leak.
Excessive heat might cause a battery to leak.
Batteries should not be stored in a place that will expose them to high temperatures. The same would be true for wireless headphones with batteries in them. The dashboard of a car would be a very bad place. Shelf life of batteries is limited. New batteries and low temperatures should help.

Sennheiser MX... | Answered on Oct 05, 2017

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