The Shure WH30 is a lightweight headset microphone designed to suit the needs of vocalists and musicians. The microphone features an electret-condenser element with a cardioid (unidirectional) pick up pattern. The cardioid pattern effectively minimizes noise and feedback at the off-axis sections of the microphone making it suitable for use near monitor speakers. The headset utilizes, modular, replaceable parts including a comfortable CROAKIES adjustable headband. A sturdy, adjustable gooseneck secures the microphone and a moisture-proof cartridge resists moisture from sweat or the elements. The cable features a mini TA4-female connector for connection to compatible Shure body-pack transmitters.
| Transducer | Condenser, electret bias |
| Polar Pattern | Unidirectional |
| Frequency Response | 40Hz to 20kHz |
| Dynamic Range (Typical) | 99dB |
| Signal-to-Noise Ratio | 63.0dB @ 94dB SPL (IEC 651) |
| Maximum Input Sound Level | 130dB |
| Power Requirements | 5 VDC (pin 2 to pins 3 and 4) |
| Output Impedance | (at 1kHz) 2400 ohms |
| Output Connectors | mini TA4-F |
| Dimensions | Cable: 10 ft. (3.05 m) |
| Weight | 65 g (2.3 oz) |