HP L45092-001 speaker kit is a replacement speaker assembly listed for the HP ProBook 455R G6. It is intended for the notebook’s built-in audio system, and the service guide identifies it by this exact spare part number.
The assembly connects to the system board through a speaker cable. It is mounted inside the computer with two screws, with nearby antenna and display cables routed alongside the speakers. This makes the part relevant when replacing the notebook’s speaker assembly during repair.
The HP service guide documents the L45092-001 assembly for the ProBook 455R G6; it does not specify package contents beyond the assembly itself.