The JBL SCL-4XL 2-way Dual 8-inch In-Wall Loudspeaker combines the dynamic performance of JBL Synthesis cinema technology with a discreet architectural design for premium home theater installations. Its dual 8-inch woofers, compression-driver high-frequency system, and wide-dispersion HDI horn are engineered to deliver powerful output, excellent dialogue intelligibility, and consistent coverage across a broad listening area while remaining completely integrated into the wall.
Designed as a versatile solution for sophisticated immersive theaters, the SCL-4XL uses dual cast-frame Advanced Aluminum Matrix woofers together with JBL's 2415-INV 1.5-inch compression driver. An integrated sealed backbox provides predictable acoustic performance regardless of the surrounding wall cavity, while the rigid molded baffle, dual input terminals, bi-wire/bi-amp capability, and magnetically attached paintable grille make the SCL-4XL equally suited to high-performance system design and clean architectural integration.
Key Features & Innovations
High-output architectural design — the JBL SCL-4XL 2-way Dual 8-inch In-Wall Loudspeaker delivers the dynamics and controlled dispersion expected from JBL Synthesis while maintaining a discreet flush-mounted appearance.
Dual 8-inch Advanced Aluminum Matrix woofers — two 200mm cast-frame woofers provide substantial cone area for powerful midbass, strong dynamic impact, and low-distortion output during demanding movie soundtracks and music.
2415-INV compression driver — JBL's 1.5-inch high-frequency compression driver provides the efficiency, output capability, and clarity required for premium cinema applications.
High-Definition Imaging horn — JBL's HDI horn technology controls the compression driver's dispersion to provide broad, consistent coverage across the listening area rather than concentrating high-frequency energy into a narrow sweet spot.
110° × 110° coverage — wide and symmetrical dispersion helps deliver consistent tonal balance and intelligibility to multiple seats throughout the theater.
300-watt RMS power handling — substantial power handling combined with 93dB sensitivity gives the SCL-4XL the output capability needed for dynamic home cinema reproduction.
Integrated sealed backbox — the supplied enclosure provides a controlled acoustic volume, allowing more predictable performance than an open-back architectural loudspeaker that relies on the wall cavity itself.
Shallow 3.43-inch mounting depth — despite using dual 8-inch woofers and its own backbox, the SCL-4XL requires less than 3.5 inches of mounting depth, helping simplify integration into architectural installations.
Bi-wire and bi-amp capability — dual sets of gold-plated spring-loaded binding posts provide additional system-design flexibility for sophisticated installations while retaining the loudspeaker's internal crossover network.
Zero-bezel architectural appearance — a magnetically attached white paintable grille allows the loudspeaker to blend cleanly into the surrounding wall once installation is complete.
FAQ — JBL SCL-4XL
Where can the JBL SCL-4XL be used in a home theater?
The SCL-4XL is a versatile high-output architectural loudspeaker designed for premium JBL Synthesis cinema systems. Its dual 8-inch woofers, compression driver, and wide symmetrical dispersion make it suitable for demanding applications where strong output and broad seating-area coverage are required.
How much amplifier power can the SCL-4XL handle?
JBL rates the SCL-4XL for 300 watts RMS of power handling using the CEA-426B specification at its rated load impedance. Its 93dB sensitivity allows it to produce substantial acoustic output when partnered with appropriate amplification.
Does the SCL-4XL include a backbox?
Yes. The SCL-4XL uses a sealed in-wall enclosure with an included backbox. This gives the loudspeaker a controlled acoustic environment rather than relying on the size and construction of the wall cavity for its enclosure volume.
How deep does the SCL-4XL need to be installed?
JBL specifies a mounting depth of approximately 3.43 inches, or 87mm, with the backbox. This shallow profile helps make the SCL-4XL practical for architectural installations where available wall depth is limited.
Can the SCL-4XL be bi-amped?
Yes. Dual sets of gold-plated spring-loaded binding posts provide bi-wire and bi-amp capability. The internal crossover remains active when the loudspeaker is operated in these configurations.
How does the SCL-4XL differ from the original SCL-4?
The SCL-4XL is a larger, higher-output design using two 8-inch woofers and a 1.5-inch 2415-INV compression driver. The original SCL-4 uses a single 7-inch woofer and 1-inch compression driver. The SCL-4XL also offers higher sensitivity and a significantly shallower specified mounting depth while providing the increased output capability expected from the newer XL design.
Why Buy From Us
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