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Description
JBL S3900 SYNTHESIS SERIES PREMIUM LOUDSPEAKER (PAIR) - FLOOR STOCKJBL S3900 Dual 10 inch (250mm) 3 way Floorstanding Loudspeaker The JBL S3900 is a floorstanding 3 way high performance loudspeaker, leveraging professional grade components and taking design cues from the legendary K2 S9900. Dual 10 inch (250mm) pulp fiber cone woofers deliver deep lows, a 1. 75 inch (45mm) pure titanium driver delivers mids and highs with lifelike dynamics and startling realism and a 0. 75 inch (19mm) ultrahigh frequency transducer
JBL S3900
The JBL S3900 is a floorstanding 3-way high performance loudspeaker, leveraging professional-grade components and taking design cues from the legendary K2® S9900. Dual 10-inch (250mm) pulp-fiber cone woofers deliver deep lows, a 1.75-inch (45mm) pure-titanium driver delivers mids and highs with lifelike dynamics and startling realism and a 0.75-inch (19mm) ultrahigh-frequency transducer reproduces frequencies with extreme clarity. From your lows to highs, you won’t miss a sound. Hear it as the pros hear it.
Highlights
• 25 – 250 watts suggested amplifier power range
• Dual 10" (250mm) low-frequency transducer for low-distortion, natural sound
• 1-3/4" (50mm) high-frequency transducer for crystal-clear highs
• 3/4" (19mm) ultrahigh-frequency transducer for extreme highs
• Extremely smooth and wide frequency response
• Rear-mounted ports for extended bass response
• Patented JBL Bi-Radial® horn
• Bi-wiring capabilities
• Gold-plated terminals
SPECIFICATIONS
Description 250-watt, dual 10″ (250mm), three-way floorstanding speaker designed to deliver studio-quality sound
Frequency Response 33Hz – 40kHz (–6dB)
Sensivity (2.83V @ 1M) 92 dB
Ultra-High Frequency Component 3/4″ (19mm) compression driver with a pure-titanium diaphragm and neodymium motor assembly on a SonoGlass Bi-Radial horn
Low-Frequency Drive Component Two 10″ (250mm) pure-pulp cones with ferrite motor assemblies
Enclosure Type 1″ (25mm)-thick MDF stock, ported
Height 39.4″(100.1 cm)
Width 14.6″ (37 cm)
Depth 14.5″ (36.8 cm)
Weight 86 lb (39 kg)
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.0 ★★★★★
Based on 22 reviews
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Product Reviews
★★★★★ 5
customer
Style: Zinnia Dahlia
This package had more than the pkg that was supposed to have 4000, but they are coming up slowly. It is dry here, I have been watering , just enough to get the ground wet and they are scattered, but some are coming up. I also watered the space supposedly where i spread seeds from the supposedly 4000 seeds pkg. They are not coming up as much!
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Reviewed in the United States on May 17, 2026
★★★★★ 5
3 days and already sprouting
Style: Zinnia Dahlia, Style: Zinnia Dahlia
I planted these seeds three days ago. They’ve had pure sun these last three days with water that I’ve given them and they’re already starting to sprout. I could not recommend these more if I tried.
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Reviewed in the United States on June 6, 2026
★★★★★ 4
Didn’t get a review on the garlic powder
Style: Zinnia Dahlia
The seeds were okay but the garlic powder that I ordered was smaller than usual is a case of bait and switch
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Reviewed in the United States on May 31, 2026
★★★★★ 5
Beautiful and vibrant blooms
Style: Zinnia Dahlia, Style: Zinnia Dahlia
This is the first time we planted Zinnias in our garden. Seemed so easy and worry free. It took 2.5 months from the time we planted the seeds to seeing the first blooms. It's now been about 3 months and the plants are in full bloom. The flowers came out in many vibrant colors! The seed packets contained a nice surprise since you don't know exactly what colors the flowers will be. Looks like it will continue blooming for a few more months with a little caring, like constant watering and deadheading. We definitely plan to capture the seeds so we can enjoy the flowers again.
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Reviewed in the United States on May 31, 2026
★★★★★ 5
My favorite flower to grow!
Style: Zinnia Dahlia
I love my zinnia flowers!!! I had nearly 100% of these seeds sprout right up!!! (I plant a lot of seeds, and that's not very common)! I can't wait for these beauties to grow, so far they're looking healthy
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Reviewed in the United States on May 13, 2026