TC Electronic Spark BoosterSPARK BOOSTER Awesome Booster Pedal with Gain Control and Active EQ Powerful booster pedal with gain control and active EQ kicks your playing into high gear Impressive 26 dB of completely clean boost makes your core tone shine through Dedicated gain knob adds dirt and grit to vastly expand your tonal palette Two band active EQ with toggle switch lets you precisely sculpt your tone Level control knob gives you versatility to go for a pristine boost or