0 dB/10 dB lockable attenuator switch
Cardioid polar pattern, uniform with frequency and symmetric about axis, providing maximum rejection and minimum coloration of off-axis sounds
Field-usable over wide range of temperature and humidity conditions
Flat response curve for accurate reproduction of sound sources
Low distortion over a wide range of load impedances
Low noise and high output clipping level
Low RF susceptibility
Phantom powering (DIN 45 596 voltages of 12 to 48 Vdc)
Rugged steel construction for durability
Selectable low-frequency response: flat, 6 or 18 dB/octave rolloff