The jhs pedals at andy timmons signature drive is a pedal that takes the popular jhs at and adds a new independent boost for even more versatile functionality. The original at pedal delivered andy timmons signature overdrive sound characterized in his unmistakable lead and rhythm tones. This initial pedal was based on the jhs angry charlie and now jhs has improved at the at pedal design even further in the at with an independent boost circuit effectively contributing three additional sounds to your current rig overdrive boost overdrive boost. The at has a versatile range of tone shaping controls along with a highly musical overdrive circuit to create soaring lead tones and powerful rhythm sounds. It also has a mini toggle letting you choose the wattage mode this simulates the break up and compression characteristics of a 25 50 100 watt valve amplifier with their varying degrees of headroom. The at packs this wealth of features into a compact and road worthy chassis making it a portable and powerful choice for your overdrive needs.