Dual 31 Band Graphic Equalizer 2231

Specifications

INPUT :
Connectors:  1/4" TRS, female XLR(pin 2 hot),and barrier terminal strip 
Type:        Electronically balanced/unbalanced, RF filtered
Impedance:   Balanced 40k ohm, unbalanced 20k ohm 
Max Input Level: >+21dBu balanced or unbalanced 
CMRR:  >40dB, typically >55dB at 1kHz  

OUTPUTS :
Connectors:  1/4" TRS, male XLR (pin 2 hot), and barrier terminal strip  
Type:  Impedance-balanaced/unbalanced, RF filtered  Impedance:  Balanced 200 ohm, unbalanced 100 ohm 
Max Output Level:  >+21dBu balanced/unbalanced into 2k or greater,                               
                   >+20dBm balanced/unbalanced (into 600) 
FUNCTION SWITCHES :
Type III. NR:  Activates Type III. Noise Reduction 
EQ Bypass:  Bypasses the Graphic Equalizer section in the signal path 
Low Cut (recessed):  Activates the 40Hz 18dB/octave Bessel high-pass filter
Range (recessed):  Selects either +/- 6dB or +/-15dB slider boost/cut range 
Dimensions:  5.25" H X 19" W X 7.9" D (8.9cm x 48.3cm x 20.1cm)

SYSTEM PERFORMANCE :
Bandwidth:  20Hz to 20kHz, +/-0.5dB 
Frequency Response:  <10Hz to >50kHz, +0.5/-3dB 
Noise Reduction In:  (+/-6 and +/-12dB range): 
Signal-to-Noise:  >102dB, unweighted, ref: +4dBu, 22kHz measurement bandwidth 
Dynamic Range:  >120dB, unweighted 
Noise Reduction Out:  (+/-6dB range): 
Signal-to-Noise:  >94dB, unweighted, ref: +4dBu, 22kHz measurment bandwidth 
Dynamic Range:  >112dB, unweighted 
Noise Reduction Out:  (+/-12dB range): 
Signal-to-Noise:  >90dB, unweighted, ref: +4dBu, 22kHz measurement bandwidth 
Dynamic Range:  >108dB, unweighted 
THD + Noise:  <0.04%, 0.02% typical at +4dBu, 1kHz 
Interchannel Crosstalk:  <-80dB, 20Hz to 20kHz 
Noise Reduction:  Up to 20dB of dynamic broadband noise reduction