Continuously-Variable Pattern Condenser Gooseneck Microphone is designed for recording and sound reinforcement on podiums, instruments and ambient miking. Features: Remote polar control Variable polar pattern with remote control allows user to precisely adjust shape of pick-up pattern for best performance from a remote location User can adjust polar pattern in real time without changing capsules, microphone positions, or inducing noise in audio chain Microphone head is made of commercial grade aluminum Control box is made of hardened steel Up to six control boxes can be mounted in one rack unit shelf Designed to resist interference from devices such as cell phones, two-way communication devices and lighting apparatus Comes with an 18" dual-flex gooseneck terminated with TA3F type connector and XLRM-type connector Operating Principal: Condenser Polar Pattern: Continuously-variable Frequency Response: 40Hz - 20KHz Impedance: 135 ohms Self Noise: 22dBA