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Optimus Prime's Stereo Equipment Old School Audio - Old School Prices - Professionally Tested Product Description Up for sale is a Kenwood DP-M6640 6-disc CD changer in good used condition. The unit has been fully tested and confirmed working — the disc carousel loads and rotates correctly, all six slots are functional, and audio playback through both the analog stereo RCA outputs and digital coaxial output was verified. Cosmetic condition is good with the expected minor wear from normal use. Remote not included. Please review all photos for details. Highlights At A Glance ✔ Fully tested and verified ✔ Good cosmetic condition with minor wear from use ✔ Free 30-day returns ✔ Fast, insured shipping Testing & Verification This Kenwood DP-M6640 was thoroughly tested prior to listing. All six disc slots were exercised using the carousel mechanism, and the unit successfully loaded, tracked, and played CDs without issue. Analog stereo RCA outputs were confirmed producing clean audio on both channels, and the digital coaxial output was verified functional. All front-panel controls including disc selection, play, pause, skip, and stop responded correctly. Shipping & Returns Fast, insured shipping from Minnesota. Free 30-day returns. Item is carefully packaged for safe delivery.
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Kenwood traces its origins to December 21, 1946, when it was founded as Kasuga Radio Co. Ltd. in Komagane City, Nagano Prefecture, Japan, by a group of entrepreneurs led by William "Bill" Kasuga. Emerging in the postwar era, the company initially produced electronic components and amateur radio gear, renaming to Trio Corporation in 1960 before adopting the Kenwood name in 1986 to appeal to Western markets—blending "Ken," a familiar name across Japan and America, with "Wood" evoking durability and Hollywood. This rebranding fueled rapid international growth, starting with a U.S. office in Los Angeles County in 1963.
The brand built its legacy on high-quality audio and communications equipment, excelling in home hi-fi amplifiers like the acclaimed 1970 Supreme 1 multichannel model, receivers, tuners, and speakers with innovations such as polypropylene cones. Kenwood also pioneered car audio systems, including the first audio/video amplifier for home theater in 1981 and anti-theft cassette decks, alongside professional two-way radios and amateur transceivers. While maintaining roots in consumer electronics, it expanded into automotive infotainment.
Today, as part of JVCKENWOOD since the 2008 merger with JVC, Kenwood holds a solid mid-tier position in car audio and professional communications, prized by enthusiasts for reliable performance and aftermarket upgrades. Its vintage home hi-fi gear from the 1970s and 1980s commands respect among collectors for robust build and warm sound, though it no longer dominates pure hi-fi markets.
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