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David Clark U3806 Dual Headset Intercom Station | 40578G-01 Bose A20 temperature control and comfort forDavid Clark U3806 Dual Headset Intercom Station 40578G 01 The David Clark U3806 is a dual headset intercom station designed for use in demanding communication environments. Engineered to provide crystal clear audio and reliable functionality, this intercom station allows seamless communication between two headset users, making it ideal for aviation ground crews, maintenance teams, and industrial operations. Supports simultaneous use of two David Clark