TC Electronic Spark Booster
TC Electronic Spark Booster, Ground Effect, 26 dB Booster, Level regulator for higher start of input in amps, Also suitable for supplementing already existing distortion / overdrive pedals, Controls: Bass, Treble, Out & In, Fat / Clean / Mid switch, True bypass, Power supply with 9V DC power supply (not included, Article Nr #409939#) or 9V battery (not included, Article Nr #417473#)