David Clark 12409G-89 Single-Ear Headband Assembly Replacement Retired Passive design — no power

Passive design — no power or batteries required

Valve :  90° Short TR-67A

or expand B4

(Recommended dosage is 1 oz

Also available in other convenient forms:

David Clark 12409G-89 Single-Ear Headband Assembly Replacement Retired Passive design — no powerDavid Clark 12409G 89 Single Ear Headband Assembly Replacement The David Clark 12409G 89 is an original replacement single ear headband assembly designed for compatible David Clark aviation headsets. Ideal for restoring a secure, balanced fit, this part helps maintain headset comfort and functionality over time. OEM single ear headband assembly for select David Clark headsets Restores proper headset fit and tension for stable, comfortable wear