The Electro Harmonix 24DC-100 Power Supply grants you an easy tidy setup. Delivering 24 volts DC this power supply is suitable for the Q-Tron Stereo Polychorus The Worm and more (see Specifications) and will ensure theyre given the ultimate fuel they need to perform at their best. Play without the burden of electrical noise tainting your set use time and again thanks to immense durability and equip yourself with the kind of quality that only Electro Harmonix can provide.