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BRAVIA Theater Sub 9 Wireless Subwoofer for Quad/Trio/Bar 9/Bar 8/Bar 7/HT-A7000/HT-A5000/HT-A3000

$899.99
/ mo

BRAVIA Theater Sub 9 Wireless Subwoofer for Quad/Trio/Bar 9/Bar 8/Bar 7/HT-A7000/HT-A5000/HT-A3000

New Model: SA-SW9

$899.99

Or
Starting

/mo


or 0% APR

$899.99

Or
Starting

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or 0% APR
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  1. Not only pairing capability but also compatibility with dual subwoofers (SA-SW9, SA-SW8, SA-SW7) is required for the soundbar or home theatre system (Bar 9/Bar8/Bar7) each sold sep. Please refer to its product website for compatibility information. For dual subwoofer, subwoofers of the same model are required. When placing two subwoofers apart, sound quality may vary depending on your listening position. If this occurs, use the Phase setting feature to optimize performance.  
  2. Sony | BRAVIA Connect app must be installed on a smartphone. The smartphone and the product must be connected to the same home network. This function works with compatible BRAVIA TV and the latest software. Product availability varies by country/region. https://www.sony.net/hav_faq opens in a new window Updating the mobile app to the latest version is required. Download app at Google Play and the App Store. Network services, content, and operating system and software subject to terms and conditions and may be changed, interrupted or discontinued at any time and may require fees, registration, and credit card information. Feature availability of the integrated remote with TVs and home theater products may vary depending on home theater product.
  3. This function works with compatible BRAVIA TVs. Product availability varies by countries/regions. https://www.sony.net/hav_faq opens in a new window
  4. Simulated UI. The image varies by countries/regions and products.
  5. Coating and adhesive materials excluded.
  6. QR Code is a registered trademark of DENSO WAVE INCORPORATED in Japan and in other countries/regions.
  7. This function works with compatible BRAVIA. Product availability varies by countries/regions. https://www.sony.net/hav_faq opens in a new window Voice Zoom and simultaneous audio output to Bluetooth devices are disabled when Direct Connect to BRAVIA is active. When Content Type on BRAVIA is 'Game' or 'PC', there may be instances where the audio is delayed in relation to the picture to prioritize low latency for the picture.

© 2026 Sony Electronics Inc. All rights reserved. Reproduction in whole or in part without written permission is prohibited.
Sony, BRAVIA, BRAVIA Theater and the Sony logo are trademarks of Sony Corporation. QR Code is a registered trademark of DENSO WAVE INCORPORATED in Japan and in other countries/regions. All other trademarks are trademarks of their respective owners. Features and specifications are subject to change without notice. Screen images simulated.

What are the key performance features of the BRAVIA Theater Sub 9?

The BRAVIA Theater Sub 9 delivers up to 600 W of power using dual opposing 200 mm aluminum drivers that produce clean, controlled bass with minimal vibration. It's engineered for ultra-low-frequency response that uncovers deeper low-end layers other systems leave behind.

How does the dual opposing driver design improve bass quality?

The two 200 mm aluminum drivers are mounted in an opposing configuration to cancel internal cabinet vibration and reduce distortion. The result is clean, controlled bass you can feel, without the rattling typical of lesser subwoofers.

Is the BRAVIA Theater Sub 9 wireless?

Yes, it's a wireless subwoofer that pairs with compatible Sony BRAVIA Theater soundbars and systems for simple plug-and-play setup. It also supports direct connection to a compatible BRAVIA TV, adding bass without extra equipment.

Which Sony products is the BRAVIA Theater Sub 9 compatible with?

It's designed for Sony's BRAVIA Theater ecosystem, including BRAVIA Theater Bar 9, Bar 8, Bar 7, Quad, and Trio, along with the HT-A7000, HT-A5000, and HT-A3000. Please refer to each product's website for full compatibility information.

Can I use two BRAVIA Theater Sub 9 units in the same system?

Yes, you can connect two Sub 9 units for stronger, more balanced, room-filling bass. For a dual subwoofer setup, subwoofers of the same model are required, and compatibility with dual subwoofers is required for the soundbar or home theater system.

Can I control the BRAVIA Theater Sub 9 with an app or TV remote?

When used with compatible BRAVIA products, you can adjust settings through the Sony | BRAVIA Connect app, which must be installed on a smartphone connected to the same home network. Feature availability of the integrated remote with TVs and home theater products may vary depending on the home theater product.

How do I set up the BRAVIA Theater Sub 9 with a BRAVIA TV?

With direct connection to a compatible BRAVIA TV, the subwoofer enhances bass without extra equipment for a simple setup and bigger sound. This function works with compatible BRAVIA TVs, and product availability varies by country/region.

How much does the BRAVIA Theater Sub 9 cost?

MSRP is listed as $899.99. Given that, these models can go on sale from time to time, and there are several other opportunities to save on price like through their group discounts for education, healthcare and military/veterans (ID.me & Unidays) along with their free loyalty program that gives up to 5% back in points.

*FAQ generated on 07/24/2026. Financing, pricing and promotions may no longer apply.