BASS & TREBLE► Expanding on the concept of uncompromising tone, these knobs boost desired frequencies, bringing them to the surface.► The Treble brightens your tone, making it sparkle, even when compressed.► The Bass enhances the lower-frequencies and increases sustain when turned up.GAIN► The Gain allows you to experiment by adding some grit or grain to your sound.COMPRESSION► Staying true to its inspiration, this single knob design allows you to find the sweet spot and make adjustments simply and effectively.VOLUME► When turned up, the compressor sends out a hot signal, boosting from within.► When turned down, the next effects in the chain boost the compression.TECH SPECS► All premium analog components, through-hole construction.► FET based (MPF4393)► Transistor and op-amp based circuit► Power Supply: 9 volt► Current Draw: 11 mA► Attack Time: 4.8 mS► Release Time: 350 mS