Blue Spark Solid-State Condenser Microphone - cardioid polar pattern, frequency response: 20Hz-20kHz, 128dB max SPL, 84dB S/N. Noise level: 10dB A weighted. Requires 48V phantom power. Focus control: normal mode providing increased low frequency sensitivity for recordings with great impact and definition, focus mode for even greater clarity and detail. Includes pop filter and shockmount.