Sennheiser e904 Tom Microphone with Clamp Dynamic, Cardioid, Hum compensating coil The Sennheiser e904 is a dynamic instrument microphone with a cardioid polar pattern, especially designed for drums. The e904 includes a mic clip and even a mic pouch. Features: Full, impressive, lively sound for drums and percussion Very fast attack Compact body ideal for mounting on toms and snare drum Excellent sound profiling,adapts to all percussive styles Robust reinforced metal casing Technical Info: Transducer Principle: Dynamic Frequency Response: 40 - 18,000 Hz Pick-up Pattern: Cardioid Sensitivity (free field, no load) (at 1 kHz): 2mV/Pa Nominal Impedance (at 1 kHz): 350 Ohms Minimum Terminating Impedance: 1,000 Ohms Connector: XLR, gold-plated Weight: 125 g Dimensions (Ø x h): 41 x 63mm Specials: Hum compensating coil