Radial Engineering Workhorse Six Pack 6 Slot 500 Series ChassisThe SixPack is a desk top power rack for 500 series modules that lets you mix and match up to six modules and safely power them to create a stereo channel strip or unique signal chain. The convenient design lets you set the SixPack down on your work surface or carry it around the studio using the side mounted handle. Optional flanges let you recess it into the desktop for a custom studio finish or mount it in a 19 rack if you plan to take your SixPack