Founded more than 70 years ago JBL has been a magnet for audiophiles of every generation. From concert halls to cinemas, to home entertainment and on the go, JBL is synonymous with audio excellence and innovation. Over months, acousticians, mechanical experts and software engineers in Harman's Acoustic Labs in Los Angeles have collaborated closely to modify and optimize all audio elements of Cardo's intercom systems, from software to electronics all the way down to the speakers.Achieving good audio quality inside a motorcycle helmet is demanding. The wind, the road, the engine and the type of helmet, all affect the frequencies you hear. With subjective feedback from Cardo user trial riders, JBL engineers crafted distinct sound profiles to best match your ride.