Conveniently powered by external phantom power no batteries required, Low - Mass back electret condenser element for most accurate detailed audio, Cardioid pattern for frontal audio pickup without feedback and unwanted side and rear fill, Rugged construction for optimum reliability, Integrated hanging wire for ease of mounting in any use, Extended smooth flat frequency response and ultra sensitivity and high SPL capacity for clearest audio performance in any application - from micing chorus to stage performances, Polar Pattern: Uni-directional, Operating Voltage: 9 - 52 V DC, Connectivity Technology: Cable 20", Frequency Response: 50Hz to 16kHz, Microphone Technology: Electret, Microphone Sensitivity: -37 dB V/Pascal 1kHz ±3 dB, Dimensions: 0, 5"" Diameter x 1, 5"" Length, SKU: DBOHCM-200