This 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 needed to restore full functionality.

• Brand: Sennheiser (OEM Original)
• Condition: Grade A – Excellent
• Fits Models: Sennheiser Momentum 4 Wireless

This is a genuine pulled part, tested and fully functional.

Key Features:

• OEM original main logic board primary PCB for all core headphone functions
• Controls Bluetooth connectivity, ANC processing, microphone input, and speaker output 
• Part markings: 2022500082401, GZSL 2320
• All flex connector pads present and undamaged, including L-SPK, R-SPK, L-MIC, R-MIC, L-FA, R-FA
• Exact fit with original mounting points and connector layout
• Tested and verified as fully functional before removal

What's Included:

• 1 x OEM Sennheiser Momentum 4 Wireless Main Logic Board

This repair requires full headphone disassembly. Advanced skill level required. Professional installation is strongly recommended.

If you prefer not to repair it yourself, we also offer a mail-in repair service: https://www.joesge.com/pages/repair-service-headphones-sennheiser