KLH Audio , founded in 1957 in Cambridge, Massachusetts by Henry Kloss, Malcolm S. Low, and Josef Anton Hofmann, is a heritage loudspeaker brand known for engineering-led innovation. The company helped define modern hi-fi with milestones such as the Model Eight FM table radio, the Model Nine full-range electrostatic, and the Model Eleven portable solid-state record player, while advancing acoustic-suspension design in iconic models like the Model Five and Model Six. Now headquartered in Denver, KLH blends classic craftsmanship with contemporary engineering, reintroducing legends like the modernized Model Five and delivering precise, musical loudspeakers for discerning listeners.