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BRAVIA Theater Sub 9 Wireless Subwoofer for Quad/Bar 9/Bar 8/Bar 7/HT-A7000/HT-A5000/HT-A3000
$899.99
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or 0% APR
$899.99
Or
Starting
or 0% APR
/mo
or 0% APR
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- Experience ultra-low frequency bass that uncovers deeper layers other systems miss.
- Dual opposing 200 mm aluminum drivers deliver clean, controlled bass with minimal vibration.
- Connect two Sub 9 units for stronger, more balanced room-filling bass.1
Features
![[SA-SW9] [image] hero](https://d1ncau8tqf99kp.cloudfront.net/PDP/Audio/Soundbars/SA-SW9/desktop/1a.png)
Deeper bass
Bass like you’ve never felt before
With super-deep bass and ultra-low frequency response, this sub uncovers the low-end layers other systems leave behind. Powerful drivers deliver the rumbles, atmospheric tones, and seismic impact that give every moment greater weight and immersion.
![[SA-SW9] [2x2] [Item 1] Powerful bass. Clear detail](https://d1ncau8tqf99kp.cloudfront.net/PDP/Audio/Soundbars/SA-SW9/desktop/4a.png)
![[SA-SW9] [2x2] [Item 2] Powerful bass. Clear detail](https://d1ncau8tqf99kp.cloudfront.net/PDP/Audio/Soundbars/SA-SW9/desktop/4b.png)
Reviews & Questions
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Frequently Bought Together
Warranty
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- 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.
- 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 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.
- This function works with compatible BRAVIA TVs. Product availability varies by countries/regions. https://www.sony.net/hav_faq
- Simulated UI. The image varies by countries/regions and products.
- Coating and adhesive materials excluded.
- QR Code is a registered trademark of DENSO WAVE INCORPORATED in Japan and in other countries/regions.
© 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.