Yamaha Q2031 Stereo 31-Band Graphic Equalizer Q-2031

The Yamaha Q2031 is a 31-band dual channel graphic equalizer. It has two independent channels of graphic EQ with full 31-band control over the 20Hz to 20kHz range. It also has an automatic muting circuit that mutes the output for 3 to 5 seconds after power is switched on. It has switchable 6 or 12dB of boost or cut, with points centered at ISO 1/3 octave frequencies from 20Hz to 20kHz. It also has a high-pass filter and balanced XLR and standard 1/4" phone jacks