JBL Synthesis SCL-2 In-Wall Loudspeaker

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Model: JBLSCL-2 UPC: 050036337717 Item: 171343

JBL Synthesis SCL-2 In-Wall Loudspeaker Overview

With its Synthesis surround system – a direct descendant of the Pro Cinema industrial line – JBL redefines the home cinematic experience. Taken individually, the components of the custom line are exemplary enough to fit into any advanced installation. But when combined into a single unified system, JBL’s Synthesis speakers and electronics form a scalable end-to-end solution designed to transform any size or shape environment into an unparalleled soundstage. The SCL-2 in-wall loudspeakers are where the rubber hits the road – these flush-mount marvels sport three 8-inch aluminum matrix cone drivers for exceptional low-end extension and dynamics. JBL’s proprietary dual-ring 1.5-inch compression tweeter fires out through a geometric horn for precise localization and imaging. The flush-mount installation with magnetic, paintable white grille disappears in any room, and the solid sealed MDF enclosure fits behind drywall to provide the proper acoustic isolation. Mix and match the SCL-2 with its Synthesis siblings SCL-3 and SCL-4, plus a superior sub such as the S2S-EX, for a matched sonic signature that satisfies the most discerning ear. That’s why TWICE magazine chose the SCL-2 as Best of Show Residential Systems winner at the custom-designers’ expo CEDIA 2017.

Product Information

Product highlights

  • Three 8-inch cast-frame, aluminum matrix woofers for wide dynamics and low-frequency extension
  • Unique 1.5-inch dual-ring Teonex high-frequency compression driver for efficiency, power handling and low distortion
  • Integrated HDI waveguide horn for maximum dispersion and accurate localization
  • Perfect for front L-R speakers in multi-speaker surround systems; matched sonic signature to Synthesis line
  • Sealed MDF enclosure fits behind drywall for optimal acoustic isolation
  • Sonoglass molded baffle with zero-bezel paintable magnetic grille fits anywhere
  • Mount horizontally or vertically for maximum flexibility
  • Install without grille behind projection screens
  • Rubber mounts attach to wall studs to minimize vibration
  • Bi-amp or bi-wire capabilities with dual gold-plated binding posts
  • Handles up to 445 watts RMS @ 6 ohms
  • Installation dimensions: 38.25” high x 11.5” wide by 5.8” deep
  • Weight: 53.5 lbs.
  • Warranty: 5 years – World Wide Stereo is an authorized dealer for every brand we sell
  • Included: World Wide Stereo 60-day guarantee and expert product support

Maximum sound

The entire JBL Synthesis line is designed for the finest reproduction. The SCL-2 starts with not one, not two, but three 8-inch woofers. Each has a rugged cast frame and Advanced Aluminum Matrix cone to reach low. And combined with a capacity of 445 continuous watts, they supply the kind of whisper-to-detonation dynamics that today’s cinema soundtracks demand.

Maximum soundstage

JBL’s unique model D2 1.5-inch compression driver merges dual voice coils and diaphragms of tough, durable Teonex polyester into a single transducer, for higher efficiency, lower distortion and greater power handling capability. The D2 directs the high frequencies via a patented High Definition Imaging (HDI) waveguide horn (also of the kind found in JBL’s pro monitors), for controlled dispersion and pinpoint soundstaging. The geometrically precise horn and the speaker baffle plate are a single unit molded of matte-black Sonoglass, fiberglass-based material with superior acoustical properties.

Maximum flexibility

The asymmetrical nature of the SCL-2’s driver array means you can install it with the high-frequency driver nearer the top or the bottom, for ideal placement higher or lower on the wall. Or install an SCL-2 horizontally as a center channel. The paintable, magnetic grille blends into any décor, and the SVL-2 can disappear when installed sans grille behind an acoustically transparent projection screen in a dimmed room.

Maximum synergy

The spec sheets will tell you the SCL-2s stand alone in any fine home theater setup. And they do. But they really shine when paired with the sonically similarly siblings SCL-3s and SCL-4s above and around, and one or more S2S-EX subs. And when you build a full, custom, scalable Synthesis system, including the extravagant SDA-4600 multichannel amplifier, SDEC-4500P equalizer, and SDP-75 16- to 32-channel digital surround processor – well, you just have to hear to believe.

Listen and be amazed

We at World Wide urge you to stop in if you’re in the neighborhood of our Ardmore, PA showroom, for a theatrical demonstration of the full Synthesis system. It’s guaranteed to leave you breathless. And as always, you can count on our unmatched product support and 60-day guarantee.

WWS: What we say

“It’s a different experience. There’s watching television, there’s going to the movie theaters, then watching theater in a JBL Synthesis room is the next level up. It’s that much of a difference, better than a theater by far.” – Robert Marcoccia, World Wide Stereo Ardmore Sales & System Designer

Prop 65 Warning

WARNING: California Residents - Proposition 65. This product can expose you to chemicals known to the State of California to cause cancer and birth defects or other reproductive harm. For more information, go to www.P65Warnings.ca.gov.



  • Speaker type: 2 1/2-way in-wall loudspeaker
  • Low frequency transducer: Three 8" cast-frame, advanced aluminum matrix cone woofers
  • Mid/High frequency transducer: D2415K, 1.5", dual annular ring Teonex diaphragm compression driver mounted to Sonoglass horn/baffle
  • 445W RMS
  • Frequency response (-6dB on-axis): 57Hz - 25kHz
  • Coverage area (-6dB @ 20kHz): 80 x 70 degrees (horizontal x vertical)
  • Coverage area (-6dB @ 20kHz): 100 x 100 degrees (horizontal x vertical)
  • Sensitivity (2.83V @ 1m): 92dB
  • Nominal impedance: 6 ohms
  • Crossover frequencies: 225Hz; 1.3kHz
  • Enclosure type: Sealed in-wall mount with included back box
  • Inputs: Dual gold-plated binding posts
  • Finished grille dimensions (H x W): 40.2" x 12.8"
  • Cutout dimensions with backbox (H x W): 38.25" x 11.5"
  • Mounting depth with backbox: 5.8"
  • Weight: 53.5 lbs.

What's in the Box

What's in the Box:

  • SCL-2 In-Wall Loudspeaker
  • JBL logo
  • 10x Baffle screws
  • Grille
  • Back box
  • 10x Back box mounting screws
  • 10x Rubber bushings
  • 10x Metal washers



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Prop 65 Warning

WARNING: California Residents - Proposition 65. This product can expose you to chemicals known to the State of California to cause cancer and birth defects or other reproductive harm. For more information, go to www.P65Warnings.ca.gov.