Blue Bottle Rocket Stage 1 - class A discrete solid state mic with a foundation for interchangeable capsules, 20Hz-20kHz. Polar pattern: cardioid, omni-directional, fig-8 (depending on capsule). Dynamic Range: 130 dB (@ 2.5kOhm), Maximum SPL: 138 dB SPL (2.5kOhm, 1.0% THD), 48V Phantom Power required, incl. spider shockmount and B-8-capsule (cardioid)