Gain: 0 dB to 30 dB
Frequency Response: +0/-3 dB, 20 Hz - 20 kHz
S/N (20 Hz - 20 kHz): -90 dBV @ 30 dB of gain, -120 dBV EIN
Distortion: < 0.1%, 20 Hz - 20 kHz
Input Impedance: Dry loop 30k ohms, Wet loop 1k ohms
Limit (threshold): -10 dBV to off
Gate Threshold: 3 mV to 30 mV
Gate Duration: 0.5s to 5s
Priority: Four levels
External Power: 48V DC (for talk battery)
CMRR: > 80 dB @ 1 kHz
Controls: Gain, Limit, Gate Threshold, Gate Duration
Connector: 6-position barrier strip
Dimensions: 1-3/8" W x 3-1/8" H x 3-1/2" D
Weight: 2.8 oz.