Aguilar Agro Pedal, Effect Pedal, Bass Overdrive, Separate saturation and output volume knobs, Contour knob with wide range, Midscoop at about 900 Hz, Presence control (+ 6dB/ - 20dB > 4 kHz), Gig saver bypass (the original signal remains even if battery is low), Power supply via 9V battery or optional AC adapter, Steel housing