InPhase Audio

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About our InPhase Audio

Established in 1989, In Phase is a leading UK family business specialising in car audio products. Initially facing challenges with the variable quality of third-party products, their vast installation experience led them to design and manufacture their own range. Launched in 1995, their offerings, including the acclaimed XTC/SXT speakers, IPA amplifiers, and the globally recognised XTB series subwoofer enclosures, set industry standards. Proudly British and family-run, In Phase stands out with its commitment to superior performance and meticulous product development. Today, with a team of over 30, amassing 500 years of collective audio expertise, they continue to innovate and serve a growing global clientele.