Overhead Condenser: 900W The ASTATIC 900 is an outstanding low disturbance, electrets condenser cardioid choir microphone. The 900 microphone has a wide, flat regularity reaction which provides unparalleled, natural, translucent audio quality. Its cardioid collection design reduces frustrating reviews when used close to audio strengthening audio speakers and screens, while decreasing the collection of undesirable off axis appears to be. The 900's devices are located on the outside in housing which also contains the professional three pin male XLR connection. The 900 is connected to this with a 30 foot wire finished with a small three pin XLR. The 900 is completed in resilient black a special adhesive color, the 900W is completed in a resilient white a special adhesive color with a versatile PVC masking over gooseneck. Specifications: Operating Principal: Electret Condenser Polar Pattern: Cardioid Frequency Response: 150Hz - 20kHz Impedance: 440ohms Self Noise: 26dBA Max SPL: 132dB Power Requirements: P12, P24, P48, 2mA