An excellent everyday, budget measurement microphone with commendable frequency response for its price. The CM-20 is a ¼” back electret condenser microphone with omni-direction pickup, phantom powered and XLR connector. Rugged construction is part of its appeal. At this price, now you can afford to have a spare.
Check out the CM-120 kit of CM-20 and cool carrying bag, clip and windscreen. Also the individually calibrated mIcrophone kit, the CM-125.