Model TEQ-231 MKII / 231 SW (SUBWOOFER OUT) 2 X31 BAND GRAPHIC EQ Type 2 x 31 Band: 1/3 octave, ISO spacing (2H) Slider travel 20 mm with positive centre detente Range ±6dB or ±12dB selectable Input Connections Active balanced XLR and 1/4? TRS Unbalanced RCA Input Impedance 20kOhm (balanced) 15kOhm (unbalanced) Maximum input level 14dBu Output connections Active balanced XLR and 1/4? TRS Unbalanced RCA Input Impedance 20kOhm (balanced) 15kOhm (unbalanced) Output Impedance