Sennheiser 550 I have replaced the battery in the headphones and although the power lights work and indicate fully charged the headphones do not power up. repair in Winsford
Professional Sennheiser Headphone services UK wide. …specialised in 550 I have replaced the battery in the headphones and although the power lights work and indicate fully charged the headphones do not power up. repair… Almost all of our Sennheiser 550 I have replaced the battery in the headphones and although the power lights work and […]