Blue Microphones Baby Bottle SL Features: Warm, classic sonic signature that flatters an array of voices and instruments High output with richly detailed frequency response High-pass filter and -20dB pad for ultimate versatility Works great with home studio USB audio interfaces Blue Microphones Baby Bottle SL Specifications: Transducer Type: Condenser, Pressure Gradient Polar Patterns: Cardioid Frequency Response: 20Hz – 20kHz Sensitivity: 39.8 mV/Pa at 1 kHz (1 pa = 94 dB SPL) Output Impedance: 50 ohm Rate Load Impedance: Not less than 1k ohm Maximum SPL: 134dB SPL (1kHz, THD 0.5%) S/N Ratio: 83.2 dB-A Noise Level: 10.8 dB Dynamic Range: 123.2 dB Power Requirement: +48V DC Phantom Power Weight: 410g Dimensions: 222.5mm x 51.5mm HPF: 100Hz, 12db per octave PAD: -20dB Shock Mount and Box Adaptor fits Mic Stand. The connection at mount box needs washer/screw to adjust.