The ASTATIC 900 is a superior low noise, electret condenser cardioid choir microphones. The 900 microphone has a wide, flat frequency response which provides unsurpassed, natural, transparent sound quality. It's cardioid pickup pattern minimizes annoying feedback when used close to sound reinforcement speakers and monitors, while reducing the pickup of unwanted off axis sounds. The 900's electronics are located externally in a housing which also contains the professional three pin male XLR connector. The 900 is attached to this with a 30 foot cable terminated with a mini three pin XLR. The 900 is finished in durable black urethane paint, the 900W is finished in a durable white urethane paint with a flexible PVC covering over gooseneck. The 900 features a .022" diameter hole placed directly behind the microphone head that facilitates the use of monofilament line to inconspicuously fix the position of one or a series of microphones.