Samson C02 Condenser Microphones offer high-quality audio performance in an affordable package. - For Drums, Piano, Strings, & Vocals - Supercardioid Polar Pattern - 40 Hz to 20 kHz Frequency Response - 48V Phantom Power - XLR Connectors Those mics need phantom power, mics must be supplied power from the mixing board or what ever they are plugged into. The C02 package comes with a convenient carrying case as well as a set of shock-mounted mic clips, making it easy to transport and set up your condenser mics. The C02 features a low-mass capsule with a cardioid polar pattern. A cardioid pattern captures a narrow pick up area right in front of the microphone, with a result that minimizes ambient room noise and signal from nearby instruments and monitors that may cause feedback. A wide, linear frequency response results in rich detail while minimizing low frequency noise. The Samson C02 Condenser Microphone is a great solution for both live sound and studio recording applications. - Cardioid Pickup Pattern - Gold-plated XLR connectors - Carry Case & shock-mounted mic clips included - Sold as stereo pair