STUDIO CONDENSER MICROPHONE C-1. Studio Condenser Microphone. Professional, large-diaphragm condenser microphone for unsurpassed audio quality. Ideal as main and support microphone for studio and live applications. Cardioid pickup pattern for outstanding sound source separation and feedback rejection. Pressure-gradient transducer with shock-mounted capsule. Ultra-low noise, transformerless FET input eliminates low-frequency distortion. LED indicates phantom power operation.