Hi-Fi specialists Grado specialise in rich warm and unique sounding audio equipment. The Grado DJ100i is built and designed to meet the demanding needs of the professional DJ. These cartridges deliver performance never known before in the pro DJ market. The Grado specially engineered transmission line cantilever allows for the ideal transfer of music signal and for safe and effective stylus back-cueing. The prestige model DJ100 uses a 3-piece otl cantilever technology, oxygen free wire in the coils and a specially designed, high polished, diamond mounted in a brass bushing. For possibly, the most advanced DJ cartridges ever offered to the professional DJ market.