Microphone HP OEM OEM documented
840691-001

HP Microphone board 840691-001

Which laptops does 840691-001 fit? 840691-001 (HP microphone) is documented to fit 4 laptop models: HP ProBook 640 G2, HP ProBook 645 G2, HP ProBook 650 G2 and HP ProBook 655 G2. Fits come from OEM documentation (HP service guide), last checked 2026-11-04; not bench-tested. Full compatibility list.

HP spare part description: "Microphone board". Documented OEM replacement; see each fit for configuration limits.

Compatible Business Laptop Models (4)

Devices documented to accept this OEM component. Compatibility from OEM documentation or a labelled source, with a confidence level on each fit; not bench-tested.

Fit note for all 4 models: HP description: "Microphone board". OEM documentation only; not bench-tested.

Installation: Not verified

Fits these models

ModelBrandLast checkedConfidence
HP ProBook 640 G2 All microphone for this modelHP2026-11-04OEM documented
HP ProBook 645 G2 All microphone for this modelHP2026-11-04OEM documented
HP ProBook 650 G2 All microphone for this modelHP2026-11-04OEM documented
HP ProBook 655 G2 All microphone for this modelHP2026-11-04OEM documented

Fits these models

Summary of the documented fits above (sources on each model card); not bench-tested.

ModelBrandType
HP ProBook 640 G2HPBusiness laptop
HP ProBook 645 G2HPBusiness laptop
HP ProBook 650 G2HPBusiness laptop
HP ProBook 655 G2HPBusiness laptop

Which microphone fits each model?

Repair guides for the HP ProBook 640 G2: 37 guides

Fit check: Always confirm the OEM part/FRU number on your machine's label or in the service manual before buying. HP service guide

Key facts

Part number
840691-001
Type
Microphone
Brand
HP
Fits
4 catalog models
Evidence
OEM documented: 4
Source
h10032.www1.hp.com
Last checked
2026-11-04
Tested
Not bench-tested; documentation only
Machine-readable
JSON, Markdown

Related

Other parts for the HP ProBook 640 G2

Other HP microphone parts