the t.bone SC 140 true condenser microphone - 18mm diameter diaphragm; polar pattern: cardioid; perfect for recording drums (overheads, hi-hat), acoustic guitar or piano; frequency range: 20-20,000Hz; requires 48V phantom power; with low-cut (-3dB @ 75Hz or 150Hz) and pad switch (-10dB/ -20dB), sensitivity @1 kHz (dBV/Pa): -37.1; max. sound pressure level: 135 dB SPL @1 % THD, 1 kHz; equivalent input noise: 15.0 dBSPL (A); Includes shockmount, windscreen and aluminium case; Dimensions (DxL): 20 x 147 mm; Weight: 91 g (per microphone without shockmount)