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JBL HDI 3600 Floorstanding Loudspeakers JBL HDI-3600 Triple 6.5-inch (165mm) 2 ½-way Floorstanding Loudspeaker Designed and engineered in JBL’s world-famous acoustic engineering facility in Northridge, California, the HDI-3600 delivers exceptional performance from a compact footprint. This floorstanding loudspeaker features a 2 ½-way design with patented High-Definition Imaging (HDI™) horn geometry, the patented 2410H-2 1-inch (25mm) compression driver, and triple 6.5-inch (165mm) Advanced Aluminum Matrix cone woofers for powerful dynamics and incredibly accurate sound reproduction. Condition:
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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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