Cloud Microphones Cloudlifter CL-Zi, Microphone Preamplifier, Compact preamplifier for high-impedance instruments and dynamic and ribbon microphones, Up to 25 dB crystal clear gain for microphones and 12 dB gain for instruments, Variable gain control in three steps: Min, More, Max, Variable input impedance from 150 ohms to 15k ohms, Variable high-pass filter from 20 Hz to 200 Hz, No voltage is passed on connected microphones, sensitive ribbon microphones are accordingly protected against damage, Uses a patented, discreet Class-A circuit, Works with phantom power, Neutrik XLR combination input, XLR output, Robust, roadworthy quality