Two-way radios for the commercial and amateur markets. KENWOOD USA has a reputation for bringing important new products to the consumer electronics market. The company built the first audio/video amplifier for home theater back in 1981. KENWOOD also created the first anti-theft car cassette deck that could be slid out of the dash; the first with an automatic broadcast sensor system and automatic noise reduction; the first with 24 presets; and the first polypropylene speaker cones. Over the years, KENWOOD engineers have invented dozens of new technologies later copied by others.