Sennheiser Momentum 4 Wireless Left FF ANC Microphone Board OEM Original Replacement Parts samsung Power Button Flex - PN:

Power Button Flex - PN: 821-01858-A

Installation requires a heat gun to soften the adhesive and precision pry tools for safe removal of the old cover

9" repair service form

1 x UE BOOM 3 fabric D-ring strap

Find-Me and Tone & Talk

Sennheiser Momentum 4 Wireless Left FF ANC Microphone Board OEM Original Replacement Parts samsung Power Button Flex - PN:This is a genuine OEM left feed forward (FF) ANC microphone board pulled from a Sennheiser Momentum 4 Wireless headphone. This is the outer facing ANC microphone board that captures external ambient noise for the active noise cancellation system. If your Momentum 4 has weak, inconsistent, or non functional ANC on the left side, this is the exact original board needed to restore full noise cancellation performance. Brand: Sennheiser (OEM Original)