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This is a very rare pair of JBL Aquarius S-109 Mark IV speakers. They came in two finish options, a white semi-gloss paint, or the natural walnut finish you see here. Given their advanced 50+ year-old vintage, they are still in Fair/Good shape, all drivers and grilles appear to be original. These could use cosmetic restoration. There are considerable nicks, scratches, corner mash, and some delamination as shown. Woofer: 8-inch JBL LE8T cone unitTweeter: 1.5-inch LE20-1 cone unit Configuration: 2-way systemSound Dispersion: 360-degree, non-directional, achieved by placing the woofer and tweeter in an upward-facing configuration with radial transducersCrossover Frequencies: 800Hz and 3000HzImpedance: 8 ohmsMaximum Input: 35W Cabinet Dimensions (per unit): 10" W x 40" H x 11" DWeight: (per unit): Approximately 55 lbs Cosmetic Condition: Overall we rated this at 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 and backed up by our 14 day full refund policy in the event you are not happy for any reason.
Asking USD$450 is solidly above typical used market rates for this model. JBL Aquarius S109 IV speakers—vintage floor units from the 1980s–90s era—typically move in the USD$200–350 range depending on condition and driver functionality. At USD$450, you're paying a premium that assumes exceptional cosmetic preservation and fully operational drivers. Against our current market baseline (median USD$283 across comparable listings), this sits in the 75th percentile, so you're looking at top-tier pricing. It's not unreasonable if the units are genuinely clean and the drivers haven't been reconed, but verify condition claims carefully before committing.
Before buying, confirm that both woofers and tweeters respond cleanly across the full frequency range—cone surrounds deteriorate with age and are expensive to restore. Ask the seller for in-person or video proof of sound output at moderate volume; crackling, distortion, or uneven response is a red flag. Also verify that the original crossovers haven't been modified or bypassed, as cheap rewiring is common in vintage speakers and degrades performance significantly.
Independent perspective — not a price guarantee. Always verify condition, accessories and provenance before purchase.
JBL traces its roots to 1946, when pioneering audio engineer James Bullough Lansing founded the company in Los Angeles, California, initially as James B. Lansing Sound, Incorporated. A veteran of loudspeaker design from earlier ventures like the Lansing Manufacturing Company and collaborations on Hollywood's first practical cinema systems, Lansing infused JBL with his relentless pursuit of acoustic clarity and fidelity. Though he passed away in 1949 amid financial strains, the brand endured under new leadership, accelerating in 1969 with acquisition by Harman International—now under Samsung—fueling global expansion and innovation.
JBL excels across professional and consumer audio realms, renowned for its loudspeakers that dominate studios, touring rigs, cinemas, and home setups. Iconic models like the D-130 woofer, Paragon stereophonic system, and L-100 Century defined eras of high-output sound, while modern lines span portable Bluetooth speakers, wireless headphones, soundbars, and pro monitors. The brand prioritizes robust transducers, advanced horns, and diamond-surround tech over niche components like turntables, DACs, or cables.
Positioned as a mid-tier powerhouse with pro-grade heritage, JBL commands respect among discerning buyers for delivering punchy, reliable performance at accessible prices, bridging live-event energy and home listening without high-end esoterica. Its vintage icons draw collectors, yet contemporary ubiquity in arenas and everyday gear cements market dominance for those valuing scale and excitement over boutique refinement.
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