Super Synthesis - ISO

 (dubbed ISO) is a two band equalizer. Inspired by DJ mixers, the adjustment range for each band goes from -∞ dB to +6dB. The red led stripe in the center displays the level of each band. 

HIGH: Adjusts signal level above 312 Hz.

LOW: Adjusts signal level below 312 Hz.

That's really all there is to it :) and we think you'll love it.