David Clark Boom Guide Kit – OEM Mic Boom Support for Headsets (12840G-20) aviation intercom Study only what you need

Study only what you need to know to convert your license

Official Boeing branding for aviation pride

35 Ohm impedance

Requires optional bracket 809 for use on aircraft

David Clark Boom Guide Kit – OEM Mic Boom Support for Headsets (12840G-20) aviation intercom Study only what you needDavid Clark Boom Guide Kit OEM Microphone Boom Stabilizer (12840G 20) Overview The David Clark Boom Guide Kit (12840G 20) is a genuine OEM component that provides secure support and smooth articulation for the microphone boom on compatible David Clark aviation headsets. Ideal for replacing worn, loose, or damaged boom guides, this kit helps restore headset performance and comfort. Key Features OEM Factory Part: Precision manufactured by David Clark