●Extremely low-noise Class A JFet amplifier ●27 dB gain (@3 kOhm load) ●Robust housing with balanced XLR input/output ●Frequency response 10hz-100kHz (+/- 1dB), Z-in 22kΩ ●The circuit is powered by 24-48V phantom power ●Note: 1. The information that P24 or P48 is required is available. 2. A FetHead works with all types of dynamically balanced microphones. 3. A FetHead can be attached to either end of the microphone cable where it is best suited