Shure SM63 Handheld Microphone, Champagne Finish High output, low impedance 80 to 20,000 Hz frequency response tailored for optimum speech intelligibility Low-frequency roll off and built-in shock mount for reduced pickup of handling noise and stand vibration Exceptionally rugged VERAFLEX grille that resists damage from drops, and is immune to rust, corrosion, and moisture Humbucking coil for virtual immunity to strong electromagnetic hum fields