The Bose A30 headset is built on a modular system, allowing seamless integration with any Bose A30 Cable Assembly for easy plug type changes without adapters. Swapping cables is a swift and tool-free process, ensuring flexibility in various aviation environments. This particular Bose A30 Cable Assembly is equipped with a U-174 plug designed for civilian helicopters, making it ideal for that specific application. It features a 64-inch straight cable, operates on battery power, and includes a Bluetooth interface for added connectivity options. Please note, this cable assembly is compatible exclusively with Bose A30 headsets and is not compatible with Bose A20 or Bose X headsets.