A price/performance leader, the MB 4k cardioid condenser microphone is the Midnight Blues� Series� introductory studio-quality microphone. With a condenser design for studio vocal and instrument applications, the microphone features: battery/phantom operation; rugged all-metal construction; soft-touch finish; extended response for smooth, natural sonic characteristics; corrosion-resistant contacts from gold-plated XLRM-type connector; on/off switch.