DBX 166xs

Specifications
Input Connectors 1/4" TRS, female XLR (pin 2 hot)
Input Impedance >50kΩ balanced, >25kΩ unbalanced
Max Input >+24dBu, Balanced or Unbalanced
Input Type Electronically balanced/unbalanced, RF filtered
Sidechain 1/4" TRS Phone, Normalled: Ring = Output (send); tip = Input (return)
Sidechain Impedance Tip = >10kΩ (Input), Ring = 2kΩ (Output)
Sidechain Max Input Level >+20dBu (tip/input); >+20dBu (ring/output)
Output Connectors 1/4" TRS, male XLR (pin 2 hot)
Output Impedance 120Ω balanced, >60Ω unbalanced
Max Output +21dBu balanced/unbalanced into 2kΩ or greater; >+18 dBm balanced/unbalanced (into 600Ω)
Frequency Response 20Hz - 20kHz; +0, -0.5dB, Typical 3dB points are 0.35Hz and 110kHz, unity gain
Noise <-90dBu, 22Hz to 22kHz, no weighting, unity gain
THD+Noise Typically <0.04%; Any Amount of Compression Up to 40dB@1kHz
IMD Typically <0.08% SMPTE @ +10dBu (15dB Gain reduction)
Compressor Threshold Range -40dBu to +20dBu
Compressor Threshold Characteristic Selectable OverEasy® or hard knee
Compressor Ratio Variable; 1:1 to Infinity:1; 60dB Maximum Compression
Compressor Attack Time Variable program-dependent; 3ms to 340ms for 15dB gain reduction
Compressor Release Time Variable program-dependent; 200dB/Sec to 3dB/Sec
Expander/Gate Threshold Range OFF to +15dBu
Expander/Gate Ratio 10:01
Expander/Gate Max Depth >60dB
Expander/Gate Attack Time <500µs (from Maximum Depth)
Expander/Gate Release Time Adjustable, 30ms to 3sec (to 30dB attenuation)
Limiter Threshold Range 0dBu to +20dBu
CMRR >40dB, typically >55dB at 1kHz
Interchannel Crosstalk <-80dB, 20Hz to 20kHz
Dynamic Range >115 dB, unweighted
Stereo Coupling True RMS Power Summing™
Power Consumption 15 Watts Maximum
Operating Temperature 0°C to 45°C (32°F to 113°F)
Dimensions 1.75" x 19" x 6.75" (4.45 cm x 48.2 cm x 17.15 cm)
Unit Weight 5.05 lb (2.29 kg)
Shipping Weight 7.20 lb (3.27 kg)
Reference 0dBu = 0.775Vrms
Operating Voltage 100 VAC 50/60Hz; 120VAC 60Hz; 230 VAC 50/60 Hz