Hartke VXL Bass Attack Pedal and Direct Box Hartke amps are known for having just about the best bass shaping technology around and now you can get all the tone and versatility of Hartke's Exclusive Shape Circuitry in the New Bass Attack professional bass pedal. Built into an all steel chassis with 2 stomp-proof switches and LED status indicators, the Bass Attack Pedal features Hartke's Variable Notch Shape Circuit with adjustable frequency, a 3-band EQ with bass tuned center frequencies, a variable harmonic control circuit that emulates the warmth of a tube driver, Mix and Output level controls, On/Off and Shape In/Out switching for switching sounds during a performance, Pre/Post direct out with a balanced gold-plated XLR output, and the Bass Attack will operate on either 9-volt battery, optional AC Adapter, or phantom power through the XLR. What took Hartke so long to design a bass pedal? Well, these things take time if you want to do it right! The Hartke Bass Attack Pedal is a tone-shaping pre-amp that doubles as a direct box, featuring the famous Hartke Shape Circuitry. The two-button style stomp box has a three band EQ for adjustments of Bass, Treble, and Bright controls, plus a Harmonic control that emulates the warmth and drive of a tube so well that you'll never want to turn it off. The Hartke Bass Attack Pedal gives you the ability to finally get the sound you want, and everything in between.