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The Kenwood KM-106 is a vintage Japanese-made stereo Hi-Fi power amplifier from the late 80s, valued by audiophiles for its robust power output and reliable performance. This unit is in VERY GOOD Condition, with just minor nicks and scratches (see photos), mainly on the faceplate, unit powers up and works great.Specs:Power output: 125 watts per channel into 8Ω (stereo)Frequency response: 5Hz to 200kHzTotal harmonic distortion: 0.03%Damping factor: 35Signal to noise ratio: 120dBDimensions: 16.5" x 10" x 5"Weight: 16 poundsService History: No service records were included from the prior owner. Here at the shop we did routine testing, cleaning and inspection and this tested well: works great, looks great, sounds excellent.Cosmetic Condition: Overall we rated this at Very Good.In the Milwaukee Area? Stop in our shop to inspect/demoSee our feedback and thank you for considering. All the gear we sell is packaged with great care for safe arrival in the condition advertised.
Kenwood’s KM-106 sits in that solid older-school Japanese power-amp lane: straightforward, stout, and usually valued more for dependable grunt than flash. At US$175, this listing is right at the top of the recent market versus the US$169 median, with the US$175 75th percentile as the line it meets but does not clear, so I’d call it fair-to-firm, not a bargain.
If it’s clean and working properly, the appeal is the usual Kenwood upside: good build quality, decent headroom, and a no-nonsense amp that can still anchor a serious vintage system. The real question is condition, since age-related service needs can matter more than cosmetics on an amp like this; if it has been serviced, includes the original knobs/feet, or comes from a careful owner, that makes the price easier to justify.
Independent perspective — not a price guarantee. Always verify condition, accessories and provenance before purchase.
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.
See all Kenwood listings on RADAR.
