![](https://mauricebrg.com/img/pxc550_4.jpg)
Replacing the Battery in my Sennheiser PXC 550 Headphones
After almost 7 years my headphones are having trouble holding a full charge and start screaming at me to recharge after about 30 minutes. In this post I walk you through changing the battery in Sennheiser PXC 550 headphones.