Detail：
  　　
DBX2231 Dolby noise reduction with three categories of professional equalizer (color)

Technical Parameters

※ bandwidth: 20Hz-20kHz, + 0.5dB / -1dB
※ Dynamic Range: 109dB 115dB
※ SNR: 90dB 97dB
※ Total Harmonic Distortion + Noise: <0.005%
※ Crosstalk between channels: <- 80dB, 20Hz-20kHz

Input

※ Interface: a quarter-inch TRS, XLR socket (pin 2 hot positive side, female,) as well as the terminal strip
※ Type: electronically balanced / unbalanced, RF filtered
※ impedance: balance 40kΩ, unbalanced as 20 kΩ
※ Maximum Input Level:> + 21dBu, balanced or unbalanced
※ CMRR:> 40dB, typical values ​​of> 55dB, 1kHz

Output

※ Interface: a quarter-inch TRS, XLR socket (pin 2 hot positive side, female,) as well as the terminal strip
※ Type: impedance balanced / unbalanced, RF filtered
※ Impedance: Balance of 200Ω, 100Ω unbalanced for
※ Maximum Input Level:> + 21dBu, balanced / unbalanced load or larger loads 2kΩ
※ CMRR: 18dBu, balanced / unbalanced (pick 600Ω load)