JBL Synthesis SCL-4XL - In-wall speaker for home theater with high capacity and wide coverage

JBL Synthesis SCL-4XL is an in-wall speaker developed for home theaters where you want a solution that can deliver consistent sound to multiple seating rows. It works as an LCR behind an acoustically transparent screen or as a surround channel in larger rooms. With a compression driver, HDI horn, and dual 8” woofers, you get a speaker that delivers both control and headroom, while also being easy to integrate into the wall.

Highlights

• 2-way in-wall speaker for LCR or surround use
• 1.5” 2415-INV compression driver
• HDI™ horn with wide dispersion
• 2 x 8” Advanced Aluminum Matrix woofers
• Can be mounted both vertically and horizontally
• 110° horizontal and vertical dispersion
• Closed cabinet with integrated back box
• Bi-wire / bi-amp terminals

Wide coverage for larger rooms

SCL-4XL is designed to cover larger listening areas where there are often multiple seating positions. The wide dispersion means the sound is distributed evenly throughout the room, so the experience is maintained no matter where you sit. This makes it well suited for home theaters with multiple rows, where it is important that everyone gets consistent reproduction.

Powerful and controlled reproduction

The two 8” woofers work together with the compression driver in a 2-way design, delivering balanced and dynamic reproduction. The speaker maintains clarity and precision even as the volume increases, and provides a solid, controlled low end that supports both movies and music.

Flexible installation without limitations

SCL-4XL can be mounted both vertically and horizontally without the typical challenges of uneven dispersion. This makes it easier to adapt the installation to the room layout, whether it is used as a front, center, or surround channel. At the same time, the integrated back box ensures consistent performance and makes installation more predictable.

Discrete integration into the wall

The speaker is designed for installation in standard wall constructions and comes with a paintable front grille, so it can be visually matched to the room. This provides a solution where the speaker becomes a natural part of the home theater without drawing attention away from the experience.