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Description
JBL Synthesis SCL-1 LCR LoudspeakerThe SCL 1 is a custom in room built in loudspeaker and is the flagship of the JBL Synthesis SCL loudspeaker range. It features JBL's patented D2430K dual 3 inch (75mm) compression driver mated to a large format High Definition Imaging (HDI) horn. Dual 12 inch (300mm) Carbon Cellulose Composite Cone (C4) cast frame woofers operate in a patented Complementary Bass Alignment System (CBAS) enclosure to provide high output capability while delivering an
The SCL-1 is a custom in-room/built-in loudspeaker and is the flagship of the JBL Synthesis SCL loudspeaker range. It features JBL's patented D2430K dual 3-inch (75mm) compression driver mated to a large format High-Definition Imaging (HDI™) horn. Dual 12-inch (300mm) Carbon Cellulose Composite Cone (C4) cast-frame woofers operate in a patented Complementary Bass Alignment System (CBAS™) enclosure to provide high-output capability while delivering an easy load to the amplifier. A front-panel configuration panel allows for bi-wiring, bi-amplification, and crossover bypass for fully active operation with outboard digital crossovers. The SSW-1 delivers unparalleled performance behind projection screens and inside custom cabinetry and is ideal for use in large to extra-large rooms.
SCL-1 Highlights
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2-Way dual 12-inch (300mm) Flagship LCR loudspeaker delivers unparalleled performance in large theatre rooms
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Optimized for custom installation behind projection screens and in custom cabinetry
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Timbre matched to all SCL loudspeakers and specially designed to be used with the SSW-1 subwoofer
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Patented D2430K 3-inch (75mm) dual Teonex® annular ring diaphragm, dual voice coil compression driver with dual neodymium motor structures mated to large coverage, High-Definition Imaging (HDI™) horn precision moulded out of Sonoglass®
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Dual 12” (300mm) cast-frame Carbon Cellulose Composite Cone (C4) woofers in patented Complementary Bass Alignment System (CBAS™) enclosure design
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Bi-amplifier, bi-wire and network bypass capability with installer configurable crossover
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Heavily braced black vinyl clad cabinet built from 1-inch thick MDF with cloth-wrapped, edge to edge metal frame grille with magnetic attachment
General Specifications
| Type | 2-Way In-room loudspeaker |
|---|---|
| Low Frequency Drivers | Dual 12-inch (300mm) Black Carbon Cellulose Composite Cone (C4) cast-frame woofers |
| High Frequency Driver | 3" (75mm) dual annular Teonex ring-diaphragm compression driver with dual neodymium motor structures mated to Sonoglass HDI horn |
| Recommended Amplifier Power (Full bandwidth) | 500 WRMS |
| Recommended Amplifier Power (80 Hz HPF) | 500 WRMS |
| Impedance | 4 Ohm |
| Loudspeaker Sensitivity | 94 dB/1W/1m |
| Frequency Response | 40 Hz - 24 kHz (-6 dB), 3rd order LF roll-off |
| Crossover Frequency | 775 Hz |
| Coverage area, -6 dB @ 10 kHz | Approximately 120 degrees horizontal x 100 degrees vertical |
| Coverage area, -6 dB @ 20 kHz | Approximately 90 degrees horizontal x 70 degrees vertical |
| Enclosure Type | Complementary Bass Alignment System (CBAS™) |
| HF Level Controls | 3 Position - No grille, With grille, or With screen |
| Grille Dimensions | 47.98" H x 19" W x 0.787" D (1218.7mm x 482.6mm x 20mm) |
| Product Dimensions | 47.98" H x 19" W x 14.49" D (1218.7mm x 482.6mm x 368.1mm) |
| Input Type | Dual sets of gold-plated binding posts |
| Product Weight | 177.5 lb. (80.5kg) |
| Shipping Weight | 306.5 lb. (139 kg) |
| Shipping Units of Measure | Each |
| Warranty | 5 Years |
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
4.9 ★★★★★
Based on 133 reviews
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Product Reviews
★★★★★ 4
Perfect size and weight with compact size
Style: Rack with 3 Pairs (3, 5, and 8 Pound)
I purchased the Amazon Basics Neoprene Dumbbell Hand Weights specifically for Pilates, and they’ve been a great addition to my routine. The size and weight are perfect for controlled movements, helping with muscle toning without feeling too bulky or awkward.
The neoprene coating gives them a comfortable, non-slip grip, which is especially important during longer sessions or when your hands get a little sweaty. They feel secure and easy to hold through a full workout.
I also like the shape—they don’t roll around on the floor, which makes transitions between exercises smoother and less frustrating. They’re compact enough to store easily but still feel durable and well-made.
Overall, these are a simple, affordable, and effective option for Pilates or light strength training. I’d definitely recommend them for anyone looking to add a little resistance to their workouts without overcomplicating things.
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Reviewed in the United States on April 20, 2026
★★★★★ 5
Well made , gym quality
Style: 10 Pound, Pair
Color is nice and bright . The weights grips are good they do not slip . Prices reflect quality
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Reviewed in the United States on May 29, 2026
★★★★★ 5
Good purchase
Style: 3 Pound, Pair
These are just the right weight for me to start gaining muscle back in my arms, after a large weight loss. They are of good quality, they are covered in a nice rubber like coating that is soft to the touch. They are small enough that i can take them with me when I travel. My dog has got hold of them a couple times and played with them, and they held up just fine without any damage.
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Reviewed in the United States on April 28, 2026
★★★★★ 5
Solid, grippy, and they don’t roll away!
Style: 10 Pound, Pair
I bought these because I’m finally trying to build a consistent home workout routine and didn't want to drop a fortune on name-brand weights. I’ve been using this 10lb pair for about a month now for everything from overhead presses to lunges, and honestly, they’re exactly what I was looking for.
The Pros:
• That Neoprene Grip: The coating is fantastic. Even when my hands get pretty sweaty halfway through a workout, I don’t feel like I’m going to drop them. It’s a much "softer" feel than cold metal or hard plastic.
• The Hex Shape: This is a small detail that makes a huge difference. Since the ends are hexagonal, they don't roll across the floor when I set them down between sets. They also stay put if I’m using them for "renegade rows" or floor work.
• Compact Size: They aren’t bulky. I can easily shove them under my bed or in the corner of the closet when I’m done.
• No Weird Odor: I was worried they might smell like a tire factory (which happens with some rubber-coated weights), but these had almost no scent right out of the box.
The Cons:
• Handle Diameter: The handles are a little on the thicker side. I have medium-sized hands and it’s fine, but if you have very small hands, they might feel a bit chunky to wrap your fingers all the way around.
• Color Scuffs: The navy blue looks great, but if you clank them together or drop them on concrete, the coating can scuff or show dust pretty easily.
The Verdict:
If you just need a reliable set of weights for HIIT, Pilates, or general strength training, these are a no-brainer. You're basically getting gym-quality equipment for a fraction of the price. I’ll probably be back for the 15lb set in a few months!
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Reviewed in the United States on January 27, 2026
★★★★★ 5
Simple, Comfortable, and Exactly What You Expect
Style: Rack with 3 Pairs (5, 10, and 15 Pound)
These are pretty much exactly what you want from a set of dumbbells — simple, functional, and no nonsense. The neoprene coating gives them a comfortable grip and keeps them from feeling slick in your hands, especially during longer workouts or if your hands get sweaty.
The coating also helps keep them from banging up floors or making as much noise compared to bare metal weights, which is nice if you’re working out at home.
Weight accuracy seems fine for general fitness use, and they’ve worked great for things like accessory movements, shoulder work, lighter presses, rehab-style exercises, and general muscle toning. The shape also helps keep them from rolling around everywhere when set down.
They’re not fancy, and they’re not trying to be — they’re just dependable dumbbells that do what they’re supposed to do at a fair price.
If you want straightforward hand weights for home workouts without overthinking it, these are a solid buy.
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Reviewed in the United States on May 26, 2026