Sennheiser Momentum 4 Wireless Main Logic Board OEM Original Replacement Parts garmin fenix 6x pro solar heart rate sensor Compatible Model: Apple AirPods Max

Compatible Model: Apple AirPods Max

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Sennheiser Momentum 4 Wireless Main Logic Board OEM Original Replacement Parts garmin fenix 6x pro solar heart rate sensor Compatible Model: Apple AirPods MaxThis is a genuine OEM main logic board pulled from a Sennheiser Momentum 4 Wireless headphone. This is the primary circuit board controlling all core headphone functions, including Bluetooth connectivity, active noise cancellation, microphone processing, speaker output, and power management. If your Momentum 4 won't power on, won't connect via Bluetooth, has ANC failure, or has multiple functions failing at once, this is the exact original board