Aguilar Tone Hammer, Preamp & DI Box, Typical aguilar sound in a compact format, Foot-switchable 3-band EQ with parametric mids, bass, treble, gain and master volume, AGS (Adaptive Gain-Shaping) additional gain for more drive and rock character, Foot switchable, DI-out either pre- or post-EQ, Ground lift, Power supply via 2x 9 V battery, phantom power supply or power supply (not included), Suitable power supply: Art. #217879# (not included)