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Make me an offer. These are in great shape and perform flawlessly. A flaw on front top right corner of one speaker(see pic) doesn't affect performance. One cover pin broke but doesn't effect function to cover speaker tightly. You won't find another pair of these for sale right now. The original Jamo c603's are a very special speakers and quite the hidden gem and sought after in certain circles. Jamo was recently bought and made a new version of these with the same woofer but a lesser performing tweeter and they are selling for $599. These are a steal for their performance. They beat my Dynaudio emit 10's, Camber 3.0ti, Signet SL280's, epi 140c', Mission Cyrus 782's. The tweeter is on its own enclosure. They are heavily braced and stuffed with poly and pass the knock test. They image very precisely and have a medium sized sweet spot. They truly disappear in the room. You can run a phantom center with these and it sounds like you have a center speaker. Just spot on center imaging. Drums sound like the size of a real set. Strings sound very natural and real. The Jamo C603 is a 2-way bass-reflex bookshelf speaker featuring a 6-inch (155mm) woofer with cast aluminum basket, aluminum phase plug and a 1-inch (25mm) Decoupled Tweeter Technology (DTT) tweeter. These speakers offer 100W RMS/140W peak power handling, a frequency respons, 6 Ohm impedance, and 88 dB sensitivity, designed for detailed, high-performance audio in a compact form. 45-20,000khz +/-3db.
Buyer's Take: Jamo C603 Bookshelf Speakers at USD $270
This is a fair ask, possibly a slight bargain depending on condition and age. The C603 is a discontinued entry-level compact speaker from Jamo's C-series, typically retailing new around USD $750–800 per pair in markets where pricing data exists. Used pairs in good condition generally move between USD $200–350, so USD $270 sits comfortably in the middle of that range. If the speakers are genuinely in excellent condition with minimal use, you're looking at a solid deal; if they're older (the original listing mentioned 8+ years) and show cosmetic wear, it's still reasonable but not a steal.
Before committing, verify the tweeter and woofer cones for tears, creasing, or dust accumulation—these drivers are prone to degradation over time. Confirm both speakers produce sound across the full range and that there's no crackling or distortion at moderate volumes. Check that the binding posts are intact and that any included stands (if mentioned) are stable and undamaged. A missing jumper terminal, as noted in one forum post, is a minor issue but worth checking. Request photos of the rear terminals and driver faces to assess overall condition honestly.
Independent perspective — not a price guarantee. Always verify condition, accessories and provenance before purchase.
Jamo traces its roots to 1968 in the small Danish village of Glingor, northern Jutland, where carpenter Preben Jakobsen and his partner Mortensen launched the brand from a modest workshop. Named from the founders' surnames, Jamo quickly expanded, building its first factory by 1970 and debuting at the 1973 IFA exhibition. Danish design principles—emphasizing simplicity, elegance, and precision engineering—propelled it from humble beginnings to Europe's largest speaker manufacturer, blending Scandinavian aesthetics with breakthrough audio technologies.
The brand has long specialized in loudspeakers, from iconic hi-fi models to pioneering home theater systems, earning a milestone as the first in the EMEA region to achieve THX certification in 1991 with its THX ONE setup. While speakers remain its hallmark, Jamo's portfolio has evolved to encompass high-fidelity systems, connected solutions, and lifestyle products, always prioritizing performance-driven sound.
Positioned as a mid-tier powerhouse with premium aspirations, Jamo dominated the European market through the 1990s and 2000s under various ownerships, including Klipsch, before a 2024 acquisition by Chinese firms Cinemaster and Rayleigh Lab. This revival honors its Nordic heritage—retaining some Danish production—while modernizing for today's audiophiles, appealing to discerning buyers seeking value-packed, stylish hi-fi without ultra-high-end prices.
See all Jamo listings on RADAR.
