JBL Synthesis Debuts $20K S4700 Loudspeakers

Harman's JBL Synthesis brand promises professional-grade driver technologies packed in a stylish floorstanding speaker.


Last week’s Consumer Electronics Show wasn’t just about TVs and tablets. There was a lot of audio blasting out of the various ends of the Las Vegas Convention Center. JBL Synthesis was certainly doing its part, with its high-end S4700 loudspeaker.

Harman’s JBL Synthesis brand just announced this 3-way floorstanding speaker, which promises professional-grade driver technologies in a stylish package. Some of those technologies have been picked up from the Project Everest DD66000 and Project K2 S9900 loudspeakers.

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Measuring 42.1 inches high, JBL says that the S4700 can be used as a left, center or right speaker in a JBL Synthesis multichannel home theater installation. It packs in a 15-inch woofer, a 15-inch pure-pulp-cone woofer with dual 3-inch voice coils, and a high-power neodymium magnet motor structure.

It also has midrange/high-frequency and ultra-high-frequency compression drivers that are housed in a single-piece dual-horn assembly that’s made of JBL’s own SonoGlass, a dense, acoustically inert resin material.

Other highlights on that 175Nd-3 midrange/high-frequency compression driver include a 2-inch AquaPlas-coated titanium diaphragm that’s mated to a 90-by-60-degree BiRadial horn. There’s also a 138Nd 0.75-inch pure-titanium high-frequency compression driver, which operates into a 60-by-30-degree BiRadial horn. JBL says that the driver’s response extends to beyond 40kHz and all three of the S4700′s drivers are matched to deliver a smooth tonal balance across the entire frequency spectrum. It also has a bass reflex enclosure with a rear-firing tuned port.

JBL Synthesis will start selling the S4700 loudspeaker this month. It will feature a furniture-grade cherry wood finish, a black grille cloth, and an MSRP of $20,000 per pair.


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