Sennheiser Momentum 4 Wireless Main Logic Board OEM Original Replacement Parts airpods max 1st gen battery replacement Check the part number section

Check the part number section of this listing to see which parts are compatible with which Macbook model

but fully compatible with QC Ultra Earbuds

Night mode

With Precise Voice Pickup Technology and advanced audio signal processing

Up to three devices can be connected at once

Sennheiser Momentum 4 Wireless Main Logic Board OEM Original Replacement Parts airpods max 1st gen battery replacement Check the part number sectionThis 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