The Radial SGI Studio Guitar Interface System allows amazingly long cable runs for guitars (328') over a standard balanced XLR microphone cable. Using ruggedly constructed transmitter and receiver modules loaded with high-quality Class A active circuits, the SGI interface system lets you play on the largest stages or record from the studio control room. Drag control load correction and isolation transformers ensure great sound at long distances, without hum or buzz. If your studio or stage setup requires long cable runs, you need the easy-to-use, road-ready SGI system! Quality components The Radial SGI is made up of two modules: The SGI TX transmitter and the SGI RX receiver. These are connected using standard balanced twisted pair cable, thus enabling the SGI to be used in any studio or stage environment. Both are made from 14-gauge steel using Radial's unique I-Beam construction and protective book-end design. This ensures the Radial SGI