Genuine Beats Solo 4 Wireless Main Internal Wire Assembly (A3140) – Parts

Genuine Beats Solo 4 Wireless headphones main wire.
We see this wire cause a variety of issues, from no power to no sound on one side of the headphones. From our repair experience, this internal main wire assembly is often the root cause when the headphones charge but will not power on, lose audio on one side, or fail to connect properly via Bluetooth.

We highly recommend professional installation. This repair is difficult and should only be attempted if you are experienced with fully disassembling and reassembling your headphones.

Condition: New

Fits Model: Beats Solo 4 Wireless (A3140)

We also sell hinges, headbands, ear pads, and other internal wire components for Beats Solo 4 Wireless headphones.

Technical notes:

This wire may fix the following issues:
No Power, No Data, Not Updating, No Sound on the Right Speaker or Left Speaker, and No Bluetooth.

This wire will not fix a damaged speaker driver or a faulty Bluetooth board. However, if those components have already been replaced and the issue persists, this main wire assembly is often the next critical part to replace.