All HEGEL products are designed in-house by HEGEL in Norway, based on technology not commonly found in music systems. The HEGEL SoundEngine audio modules are protected by a patent, and they are manufactured by one of the leading manufacturers in Norway. The design platform is deeply rooted in research, utilizing the latest in broadcasting technology, telecommunication technology, integrated circuitry and high frequency technology. From painstaking research, HEGEL holds the secret to it's amazing sound reproduction,- available exclusively from HEGEL. HEGEL SoundEngine Technology A common problem in sound reproduction is that the signal is distorted on its way from the input source to output. HEGEL has designed a unique SoundEngine Technology that eliminates this weakness, found in all amplifiers using serial amplifier blocks. Hegel has received a patent for the SoundEngine technology, and this technology is only used in HEGEL products.