Cad C9 C9 Applications: Acoustic Instrument, Strings, Cymbals/Overheads, Hi-hat. C9 Features include hi-pass filter and attenuator. Mic clip included. Power Requirements P12, P24, P48, 11mA (P48) Phantom Power This mic set has condenser microphones which MUST be connected to a mixer/preamp with Phantom Power in order to operate. Please consult the sales listing and or the manufacturers paperwork provided to determine the Phantom Power requirements. Includes (1) C9 Cardioid Condenser Instrument Microphones