Alctron CS55 Condenser Microphone The Alctron CS55 condenser recording microphone has a 34mm large diaphragm capsule. Ideal for vocal recordings for studio performances, as well as acoustic instruments. Included is a uniquely designed shock mount. Large Diaphragm CS55 is a condenser recording microphone adopts 34mm large diagrams condenser capsule. It makes the capsule to pick up the sound more distinct and natural. CS55 features with high sensitivity output, low noise, and wide frequency response and so on. The shell uses an aluminum alloy and NO.304 metal mesh. Its newly design shock mount prevents microphone drop off and reduces vibrations during recording. Cardioid (Uni-Directional) Pick Up The uni-directional pick up pattern means the CS55 can be used effectively in live scenario's where there are other sounds on stage. Also great for studio use, especially for recording vocals. With a gold-plate diaphragm capsule, exacting FET, low self-noise, high output and authentic reproduction of sound, the CS55 is built to professional standards and is perfect for many recording/performance situations. Specifications: Polar pattern: Cardioid Capsule: 34mm large gold diaphragms Frequency range: 20Hz-20kHz Output impedance: 100ohms Equivalent noise ratio: 16dB Max SPL: 137dB Sensitivity: -38dB3dB Connector: 3-pin XLR Power requirement: 48V phantom power