In an echo of the way natural sound reaches human ears, the J9940W 5.1-channel audio system for home theaters is one of the first to feature 2.4GHz digital, wireless transmission. This makes it possible to set the system up without complicated wiring and connections. Additionally, the 2.4GHz band is in common use worldwide, so the speakers can operate in any market, without frequency adjustment. Jazz Hipster Corp. of Taiwan introduced a prototype of the system in June of 2002. It released the product commercially on April 2 of this year.
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