Equipped with premium cardioid condenser microphone capsule. Uniform cardioid pickup pattern isolates the main sound source and minimizes background sound noise. Its precise polar pattern permits outstanding gain-before-feedback. Featuring high sensitivity, wide dynamic range, smooth frequency response and extremely low handling noises. Including a built-in battery that lasts over 5,000 usage hours. Specifications Type Built-in Battery Housing Material Die-cast Zinc Alloy Housing Directionality Cardioid Sensitivity -52dBV/Pa (0dB=1V Open Load Voltage) Frequency Response 50Hz ~ 18kHz Self-Noise 25dB SPL (A-Weighting) Maximum SPL ≧135dB using 1.5V battery, ≧145dB using 3.6V lithium battery Dynamic Range ≧110dB using 1.5V battery, ≧120dB using 3.6V lithium battery S / N Ratio 69dB at 94dB SPL (1Pa) Power Supplies A Built-in AA Type Battery Current Consumption 250 Output Impedance 600Ω Weight 265g / 9.3oz
