Introducing the Bose A20 Aviation headset, a high-quality device designed for military and aviation enthusiasts. This headset features a dynamic microphone with a 5-ohm output, ensuring clear communication during flights. The device is compatible with Aviat and is ideal for use in aviation gear. The Bose A20 headset is a reliable and durable device that provides excellent sound quality. It is perfect for those looking for a top-of-the-line aviation headset. With its sleek design and advanced features, this headset is sure to impress.