Blue Bluebird studio condenser mic - transformerless design, requires 48V phantom power (35V min), 138dB max. SPL, 20Hz-20KHz frequency range, cardioid. BLUE have engineered the Bluebird to be as versatile as possible, with applications ranging from vocals to electric and acoustic guitars, close miking of drums, drum overheads, percussion, piano, horns, strings and any other application where crystal clear sound quality and detail is of the utmost concern. The Bluebird also includes a specially designed shockmount S3 and a metal mesh pop filter - the BirdNest.