Listed for all 8 checked SKUs. OEM parts list only; not bench-tested.
Source notes
Saved HP PartSurfer product BOM(s) on box (partsurfer/cache_<SKU>.json, captured before this loop; no new HP fetch, HP OEM cool-down ON). Listed for 8 of 8 checked US product numbers (4LX87US, 4WB83US, 6NP21US, 4TE53US, 4JF42US, 4BC44US, 4ND30US, 4AJ49US). HP description: "SPS-MICROPHONE". Keyword: Microphone. OrderFlag: 1. (via MM-LOOP-036).