Sennheiser Audio Players & Recorders - Page 4 - Recent Questions, Troubleshooting & Support
There is a high frequency
do you have a microphone enabled? If so, you may have to move its location away from the headphones.
Sennheiser 120 green light goes off
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
When using the HD 25-1
Have you plugged the headphones into the L/mono jack or the R jack?? also, is it a headphone out or a monitor out??
Not finding what you are looking for?