The DMX-controlled Loop Tray from GAM Products, Inc. is the fifth available effects tray in the SX4® family of special effects devices for ETC Source Four ellipsoidals. It has built-in programs for standalone operation, with more that 40 off-the-shelf effects and loops. With five interchangeable trays, users can have user can have a four- or six-gobo changer, color changer, effects loops, or discs. The unit does not require a dimmer circuit for control, as it can be controlled via DMX. In addition, GAM offers 24 new patterns for use in conventional ellipsoidals, ranging from skylines to juke boxes, pagodas to pyramids, totem poles to breakups, and geometrics.