Front view of EchoDepth SSW-4 showing dual 8-inch woofers in wall-mounted setup
Installation view demonstrating how the in-wall subwoofer fits 2x4 framing
Detail of magnetic grille and gold-plated terminals on JBL subwoofer
Front view of EchoDepth SSW-4 showing dual 8-inch woofers in wall-mounted setup
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JBL Synthesis EchoDepth SSW-4 Dual 8″ In-Wall Subwoofer

Original price was: $1,209.95.Current price is: $725.97.

-40%

Experience deep, cinematic bass with this premium JBL subwoofer built for high-end home theater systems.

(3 customer reviews)

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Front view of EchoDepth SSW-4 showing dual 8-inch woofers in wall-mounted setup
JBL Synthesis EchoDepth SSW-4 Dual 8″ In-Wall Subwoofer
$1,209.95 Original price was: $1,209.95.$725.97Current price is: $725.97.

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Transform your home entertainment with the JBL Synthesis EchoDepth SSW-4, a dual 8-inch in-wall subwoofer engineered for uncompromising performance in architectural audio. Built with Klippel-optimized metal cone woofers and a sealed back box enclosure, it delivers deep, tight bass ideal for modern home theater subwoofer configurations.

  • Dual 8″ low-profile, long-throw woofers for ultra-low distortion
  • Designed to integrate seamlessly into 2×4 wall construction
  • Pairs with SDA 8300 amplifier for up to 8 subwoofers at 300W RMS
  • Zero-bezel, magnetic grille for a minimalist finish

This model is also favored in reviews of dual 8 inch subwoofers for its exceptional clarity and immersive presence. It’s a go-to option when looking for the best in-wall subwoofer for home theater.

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3 reviews for JBL Synthesis EchoDepth SSW-4 Dual 8″ In-Wall Subwoofer

  1. Linda Zamora (verified owner) –

    This in-wall subwoofer took my home theater to the next level. The bass is clean, punchy, and blends seamlessly with the rest of the system.

  2. Kevin Beasley (verified owner) –

    Honestly surprised at how deep the bass goes for a concealed subwoofer. It’s the best in-wall subwoofer for home theater I’ve owned.

  3. Mr. Jeremy Kirby MD (verified owner) –

    I was looking for cheap home theater subwoofer options but didn’t want to sacrifice quality. This JBL sub hit the perfect sweet spot.

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FAQs

How to install the JBL Synthesis EchoDepth SSW-4?
The SSW-4 fits standard 2x4 wall framing and includes a sealed back box for easy retrofitting. It connects to the SDA 8300 amplifier with gold-plated speaker terminals.
What makes this one of the top rated in-wall subwoofers for sale?
Its low-profile dual 8” woofers, clean design, and high-powered output deliver premium bass performance, making it ideal for immersive home cinema experiences.
Can this subwoofer handle large home theater setups?
Absolutely. Up to eight EchoDepth SSW-4 units can be powered by a single SDA 8300 amp, making it a versatile solution for expansive home theater environments.
SKU: ssw4-jbl-synthesis-inwall-dual8-metalcone Category: Tags: , , , , , ,

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