Esoteric, a high-end audio manufacturer, is known for its innovative and meticulously crafted amplifiers, particularly its integrated and power amplifiers, as well as its unique current transmission technology called ES-Link Analog. Established in 1987, the company is based in Tokyo, Japan, and hand-builds all its products. Esoteric's amplifiers are designed to deliver exceptional sound quality and are often praised for their attention to detail, build quality, and innovative features.