The most common brands that offer these products include Accu Cable, Cameo, Lewitz, Inakustik, AudioQuest, ADJ, Belkin, Klotz, Rode, PROEL, Konig & Meyer, IK Multimedia, Bespeco, Zoom, Cordial, Beyerdynamic, FiiO, Black Lion Audio, Lenovo, Laserworld, Torqeedo, AQ, Roland, Oehlbach alebo Eurolite. All brands