How to Replace a Damaged Mic-Side (MS) Port on the Sony WH-1000XM4 Bluetooth Headphones (DIY Repair Guide)
Do your Sony WH-1000XM4 headphones experience a buzzing sound when Active Noise Cancelation (ANC) is turned on? Can you hear a whooshing sound, often in one earcup, even in a quiet room? If you’re experiencing any of these symptoms, the speaker mic/side (MS) port will need to be replaced.