JBL Synthesis SSW-3 In-Wall Passive subwoofer

The SSW-3 is an in-wall subwoofer system designed to deliver powerful and accurate low frequency response while remaining hidden from view. It features dual 10-inch (250mm) cast-frame woofers mounted in a heavily-braced Sonoglass molded baffle and an MDF Enclosure that installs into standard 2x6 wood frame wall construction. The SSW-3 delivers solid performance in medium to large rooms.

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Color White

Description / JBL Synthesis SSW-3 In-Wall Passive subwoofer

About the JBL Synthesis SSW-3

Part of the JBL Synthesis Subwoofer series, the SSW-3 is an ultra-high-performance passive in-wall subwoofer acoustically designed to complement any of the JBL Synthesis Custom Loudspeakers (SCL series) as part of a complete JBL Synthesis solution.

High Performance Sub

The SSW-3 features dual 10-inch (250mm) cast-frame, composite cone woofers, each with large 2.5-inch (63mm) voice coils for total system power handling of 600W RMS. A compression-molded baffle with extensive structural ribbing provides a rigid, low-resonance mounting surface for the transducers. The baffle assembly attaches to the included in-wall enclosure resulting in a completely sealed acoustic suspension design. The in-wall enclosure is constructed of 0.75-inch (19mm) MDF with substantial internal bracing and features rubber isolation mounting points to minimize sonic intrusion into the wall structure. The combined assembly is designed to fit standard 2x6-inch wood frame construction. The backbox and baffle ship together.

Discrete In-wall Installation

Designed for discrete in-wall installation, the SSW-3 includes a paintable zero-bezel, magnetically attached grille, or it may be used without the grille when located behind acoustically transparent fabric panels. The SSW-3 delivers powerful, dynamic, and accurate bass response in medium to large-sized rooms.

Product Highlights

  • Dual 10" (250mm) composite cone woofers
  • Designed for use with JBL Synthesis SDA amplifiers
  • Self-contained, concealed module with integrated back box
  • SSW-3 includes back box and baffle shipped together in over-packed box
  • Zero-bezel, magnetically attached grille
  • Rigid MDF enclosure
  • Designed to fit standard 2 x 6 stud frame construction


Lead Time AvailabilityTypically 3-5 Days to Dispatch
Speaker Grille ShapeSquare
Overall Width356
Overall Height1626
Overall Depth130
Cut-Out Size393.7 x 1676.4
Frequency Response20Hz - 150Hz (-6dB)
Impedance (Nominal)4 Ohms
Sensitivity (1W@1M)88dB (2.83V/1m), both woofers driven
Recommended Amp600 Watts RMS
Drivers Unit ComplementDual 10” (250mm) Passive In-wall Subwoofer
Weight (Kg)36.75
Warranty5 Years



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