How to Replace a Malfunctioning Charging and AUX Port on the Sennheiser Momentum 4 Wireless Headphones to Fix the No-Charge Issue (DIY Repair Guide)
Do your Sennheiser Momentum 4 (model number: M4AEBT) wireless Bluetooth headphones charge inconsistently? Do you have to wiggle the charging cable or hold it at a certain angle to get a stable connection? If you experience any of these issues, the charging port may be worn out and needs to be replaced.