The Airwave Technologies HSD-SLIMLINE+DE is an ultra-lightweight professional headset microphone that uses a European-made omni-directional microphone capsule with clarity and high quality of sound output. A unique feature are thumbscrews to fully adjust the width of the headset to give the user a custom perfect fit while the boom can be adjusted by panning up and down and telescoping in and out. The HSD-SLIMLINE+DE is excellent for speech and vocal use in a variety of applications. The HSD-SLIMLINE+DE comes in Tan or Black and is available in 5 connector types to be compatible with most of the worlds wireless body packs. AT - Audio Technica Compatible; S8 - Sennheiser Compatible; EV - Electro-Voice Telex Compatible; T3 - Airwave AKG Audix Gemini Samson Compatible; T4 - Shure Compatible