Sennheiser HS 2-3-ew Head-Worn Microphone, Beige Sennheiser HS 2-3-ew Head-Worn Microphone - MZC 2-1 Cap (Short) - MZC 2-2 Cap (Long) - Sennheiser Warranty Optimized Sensitivity and Frequency Curve: The capsule is optimized for close-miking and reproducing high SPL without noise and distortion. The included frequency response caps alter high-end response Moisture Resistant Diaphragm: The Umbrella Diaphragm protects the microphone against sweat and moisture damage Light, Unobtrusive Design: Light, low profile frame and capsule are ideal for broadcast and presentations