Overview The rugged and durable SM31FH is a cardioid condenser microphone constructed with hydrophobic materials that make it ideal for true performance in fitness instruction applications. The moisture-repellent cartridge housing ensures a long product life by protecting the microphone from the corrosion damage that causes typical fitness instruction headsets to fail. Available in bundled BLX and GLX-D wireless systems, the SM31FH features TA4F 4-pin (TQG) connectors that make it a viable replacement for any Shure wireless headset system. Features • Wireframe headset fits securely and comfortably for fitness and aerobics instructors • Moisture-repellent hydrophobic fabric protects the microphone cartridge from harmful corrosion that occurs in humid environments • Flexible gooseneck provides discrete adjustment capabilities to optimize placement for greatest isolation • Lightweight and low-profile design won’t fatigue instructors during high-impact use • TA4F (TQG) connector is compatible with any Shure wireless bodypack • Included windscreen tames plosive, breath, and wind noise for clean and intelligible sound • Tailored frequency response ideal for crisp, clear vocal reproduction • Available with bundled BLX and GLX-D wireless systems • Legendary Shure precision engineering for durability and performance