For studios with tons of long-running guitar cables, the Radial SGI-44 is a must. Designed with Class-A active circuitry to run over to 300 feet of cables without signal loss, the SGI-44 employs sturdy transmitter and receiver modules to carry your signal across the biggest stages and studios. With a balanced XLR input and output, as well as a buffered 1/4" input jack with load correction circuitry and a 1/4" output jack, the SGI-44 comes in a super-sturdy chassis that will make sure whatever job needs doing gets done.