Transducer: Condenser - Polar Pattern: Super-cardioid - Frequency Response: 35Hz-20kHz Selectable HPF@80Hz/12dB/octave - Dynamic Range(Typical):115dB Max - Input Sound Level: 134dB - Power Supply: 9V Laminated Alkaline Battery - Battery Life: 100 hours approximately - PAD Switch: -10dB 0dB +10dB - Line Length before drawing: 23cm - Line length after stretching: 60cm - Key Features: 1. Broadcast-Quality condenser Microphone; 2. Super-cardioid Polar Pattern; 3. Integrated Shock Mount and Foam Windshield; 4.Standard Camera Shoe Mount; 5. 1/4 Threaded Mount; 6. 3.5mm Output Plug; 7. Uses 9V Laminated Battery