Lewitt Authentica LCT 450, large diaphragm condenser microphone Cardioid polar pattern, 1-inch externally polarized, gold-layered low-mass diaphragm, Tailored frequency response for rich and authentic sound onstage or in the studio, pad and low-cut, Illuminated user interface, transformerless preamplifier circuitry, rugged all-metal construction, frequency range: 20 - 20000 Hz, dynamic range: 138 dB-A, max SPL for 0,5% THD: 147 dB, 158 dB using 20 dB pad, low cut filter: 12 dB / octave at 80 Hz, transducer: 25,4mm, sensitivity: 18mV/Pa (-35dBV), equivalent noise level: 9 dB-A, cardioid (IEC 60268-1), rated impedance: < 150 ohms, includes carrying case and shock mount, dimensions: 138 x 52 x 36 mm, weight: 357 g