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JBL 4312G, JS-150 Floorstanding Loudspeakers As pictured, JBL 4312G ghost edition monitor loudspeakers plus genuine JBL JS-150 stands to match (greatly improved speakers with the genuine stands). Come with vinyl covers made to protect speakers. I am the first owner. Purchased from Klapp Audio Visual in Australia. these are in excellent condition and have barely been broken in, only owned for a short period. I am downsizing hence the for sale ad. Other items for sale also. Speakers and stands come with original boxes for transport. Pickup is from Thurgoona NSW otherwise happy to meet and exchan
What should you expect to pay for a clean, sought-after JBL studio monitor that still has real collector and listener appeal? A$2,100 looks fair to slightly strong, not a bargain, because used JBL 4312 pricing I can verify includes an older 4312 at about A$1,500 equivalent on Reverb and a new 4312G pair listed in Australia at A$2,400, putting this ask close to the current middle of the market rather than below it.
That said, the 4312G is well-regarded for its lively, punchy presentation and classic JBL voicing, so a truly excellent-condition pair can justify paying near the going rate. If the cabinets are clean, the drivers are original, and they’ve been well cared for, this is the kind of speaker that rewards a straightforward buy; I’d mainly want proof of condition and completeness rather than looking for hidden problems.
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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