Check the listing for details. Earthworks C30 Hanging High-Definition Choir Microphone (Cardioid) (White). Condition: Used. Listed at 549.99 USD. 1234The Earthworks C30 is a professional hanging microphone designed to accurately capture vocal and musical performances such as choir groups. The C30 joins Earthworks patented High-Definition series microphones, providing an extended frequency response up to 30 kHz and pristine audio fidelity beyond the realm of typical microphone standards. The C30 features a small microphone capsule on a flexible gooseneck for accurate positioning. This C30 capsule features a Cardioid for high gain before feedback.The frequency response at 90 degrees off-axis is within 2 dB of the on-axis response. This results in extreme accuracy and less microphone usage. The exceptional rear rejection response of the C30 virtually eliminates signal from bands, audience members, or any signal from behind the microphone. The C30 is an efficient, highly responsive choir microphone with an unobtrusive profile suitable for installation in houses of worship, theaters, auditoriums, etc.High-Definition ResponseEarthworks High-Definition technology results in an extended high frequency response up to 30 kHz.Accurate Off-Axis ResponseThe frequency response at 90 degrees off-axis is within 2 dB of the on-axis response. This results in extreme accuracy and less microphone usage.Unobtrusive ProfileThe miniature C30 is easily installed in theaters, houses of worship, etc.