KLOTZ AIS is a German cable manufacturer founded in 1979 and headquartered in Vaterstetten near Munich. The company specializes in handmade audio, video, multimedia, and fiber-optic cables, producing over 10 million meters of cable annually across a catalog of more than 8,500 products. Its lineup spans instrument and microphone cables, AES digital and DMX lines, multicore systems, custom-assembled looms, and connection technology peripherals.

KLOTZ is widely used in professional touring, broadcast, and studio environments — its cables turn up in equipment rental fleets, recording studios, TV broadcasters, theaters, stadiums, arenas, and cruise ship installations. The brand sells through more than 2,500 specialist retailers worldwide and operates a Custom Shop for bespoke cable assemblies, with manufacturing certified to ISO 9001:2015.

Among musicians, KLOTZ is known for its instrument and patch cables, including the TitaniumZ and LaGrange guitar cables and the StarQuad-based microphone lines, which have built a reputation for low-noise performance and durability in working stage and studio rigs.

Klotz has 24 products cataloged on Equipboard, including Instrument Cables and Microphone Cables. Their gear is featured by 4 artists, with the strongest followings in Rock, Blues, and Metal. Notable users include Joe Bonamassa, Matt Heafy, and Marcus Deml.