Nady CM90 CM Series Studio Microphone Classic small diaphragm (20mm) condenser mic. Perfect for recording and stage reinforcement of acoustic guitar, drum overheads, hi-hats, snares, piano, and horns. Features high sensitivity, extended smooth, full frequency response and very high SPL capability Requires 48V phantom power Transformerless design for minimal self-noise and increased dynamic range Rugged turned-brass housing and internal sub-assembly shock mount for maximum reliability Engraved markings