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The Sony BRAVIA Theater Sub 9 Wireless Subwoofer delivers deep, ultra-low bass for compatible Sony soundbars and home theater systems. Dual opposing 200 mm aluminum drivers and a sealed design create powerful, controlled low-frequency performance with reduced vibration. Its wireless setup keeps installations clean while adding premium cinematic depth to movies, music, sports, and gaming. For even bigger impact, compatible Sony systems can support two matching Sub 9 subwoofers for fuller room coverage.
Get the Details
Features & Specs
Dual opposing 200 mm aluminum drivers
Two large cone drivers work together to deliver stronger bass performance with cleaner, more stable low-end response.
Deep ultra-low frequency bass
Designed to uncover low-frequency detail that smaller or less capable systems may miss, adding greater impact and immersion.
Wireless subwoofer integration
Connects wirelessly with compatible Sony audio systems for a cleaner setup and more flexible room placement.
Sealed design for controlled output
The sealed cabinet helps create tighter, more accurate bass with less unwanted boom and reduced vibration.
Dual-subwoofer capable on compatible systems
Users can add a second matching Sub 9 on supported Sony systems for more balanced bass distribution across the room.
Premium Sony home theater compatibility
Built to expand select BRAVIA Theater and HT-series systems, making it a focused upgrade for listeners who want richer cinematic sound.
Dual opposing 200 mm aluminum drivers
Two large cone drivers work together to deliver stronger bass performance with cleaner, more stable low-end response.
Deep ultra-low frequency bass
Designed to uncover low-frequency detail that smaller or less capable systems may miss, adding greater impact and immersion.
Wireless subwoofer integration
Connects wirelessly with compatible Sony audio systems for a cleaner setup and more flexible room placement.
Sealed design for controlled output
The sealed cabinet helps create tighter, more accurate bass with less unwanted boom and reduced vibration.
Dual-subwoofer capable on compatible systems
Users can add a second matching Sub 9 on supported Sony systems for more balanced bass distribution across the room.
Premium Sony home theater compatibility
Built to expand select BRAVIA Theater and HT-series systems, making it a focused upgrade for listeners who want richer cinematic sound.
Expert Insight
Speakers are designed to reproduce what we hear — but the best home theater systems also reproduce what we feel. Think about sitting near a live drum kit at a concert, feeling the rumble of an explosion in a movie theater, or hearing the footsteps of a dinosaur shake the room. Those sensations come from deep bass frequencies and low-frequency vibrations that standard TV speakers and even many soundbars simply cannot reproduce effectively. That’s the purpose of a subwoofer. A subwoofer is specifically engineered to handle the deepest bass frequencies — including some frequencies that are felt more than heard. These low frequencies are also the most demanding for any speaker system to reproduce accurately, especially smaller speakers that simply lack the cabinet size and driver capability required for serious bass performance. A quality subwoofer adds the weight, impact, and realism that movies, music, and gaming are meant to have. The Sony BRAVIA Theater Sub 7, Sub 8, and Sub 9 are designed to integrate seamlessly with compatible Sony soundbars, creating a powerful, cohesive surround sound experience with convenient single-volume control for the entire system. Which Sony BRAVIA Theater Subwoofer Is Right for You? Sony BRAVIA Theater Sub 7 is an excellent choice for: * Smaller enclosed rooms * Ground-floor rooms built on slab foundations * Apartments or spaces where moderate bass output is ideal For larger or more acoustically challenging spaces, stepping up to the Sony BRAVIA Theater Sub 8 or Sub 9 can make a significant difference. These larger subwoofers are better suited for: * Large living rooms * Open-concept spaces * Rooms with high ceilings * Upstairs rooms * Rooms above basements or crawlspaces
Michael J Chapman
Over 30 years at ListenUp!
Details
Sony BRAVIA Theater Sub 9 Wireless Subwoofer
Sony BRAVIA Theater Sub 9 Wireless Subwoofer delivers premium, room-shaking bass designed to reveal the ultra-low frequencies that standard audio systems often miss. Built with dual opposing 200 mm aluminum cone drivers in a sealed enclosure, this wireless subwoofer produces deep, clean, tightly controlled bass with reduced vibration, helping movies, shows, sports, and music sound more immersive and more precise. Its wireless design keeps setup cleaner and more flexible, while compatibility with select Sony BRAVIA Theater soundbars, home theater systems, and AV receivers makes it an easy upgrade for a more cinematic listening experience. For users who want even greater low-end impact, compatible systems can support two matching Sub 9 units for stronger, more balanced bass throughout the room.
Wireless transmitter/receiver frequency bands: 5 GHz, 6 GHz
Dual subwoofer support: Yes, on compatible Sony systems using two matching subwoofers
Power supply: AC 120 V, 60 Hz
Power consumption: 100 W
Network standby mode power consumption: 2.0 W or less
Off mode power consumption: 0.3 W
Auto standby activation: After about 20 minutes
Networked standby mode activated: After 20 minutes (Bluetooth connection)
Wireless network on/off switch method: Press the LINK button 5 times
Dimensions (W x H x D): Approx. 390 mm x 400 mm x 350 mm
Dimensions (W x H x D): Approx. 15 3/8 in x 15 3/4 in x 13 7/8 in
Weight: Approx. 23.3 kg
Weight: Approx. 51 lb 6 oz
Exterior/control details: LINK button, power indicator, side opening, bottom AC inlet
Included in the box: Subwoofer (1)
Included in the box: AC power cord (mains lead) (1 or 2, depending on region)
Included in the box: Documents (1 set)
Included in the box per support page: AC cord, warranty card, reference guide
Optional regional accessory: AC plug adaptor (1, some countries/regions only)
Compatibility note: Works only with specific compatible Sony models
Compatible families named on product page: BRAVIA Theater Quad, Bar 9, Bar 8, Bar 7, HT-A7000, HT-A5000, HT-A3000
Sony BRAVIA Theater Sub 9 Wireless Subwoofer Q&A:
Which Sony systems are compatible with the BRAVIA Theater Sub 9?
The Sub 9 is designed for select compatible Sony home audio products, including the families listed on the product page such as BRAVIA Theater Quad, Bar 9, Bar 8, Bar 7, HT-A7000, HT-A5000, and HT-A3000. Sony also notes that compatibility should be confirmed against its current compatibility list for supported main audio devices.
Is the Sony SA-SW9 a wireless subwoofer?
Yes. It is a wireless subwoofer that connects with compatible Sony audio systems, helping keep installation cleaner and reducing cable clutter in the room.
Can two BRAVIA Theater Sub 9 subwoofers be used together?
Yes, compatible Sony systems can support dual subwoofers, but both connected subwoofers must be the same model. Sony notes this can create stronger, more balanced room-filling bass.
What kind of bass performance does the Sub 9 deliver?
The Sub 9 is built for ultra-low frequency performance with deep, powerful, controlled bass. Its dual opposing 200 mm aluminum drivers and sealed design help deliver strong impact with reduced vibration and better low-end precision.
What type of enclosure does the SA-SW9 use?
The BRAVIA Theater Sub 9 uses a sealed speaker design, which supports tighter, cleaner bass response.
How large and heavy is the Sub 9?
The unit measures about 390 mm x 400 mm x 350 mm, or 15 3/8 in x 15 3/4 in x 13 7/8 in, and weighs about 23.3 kg, or 51 lb 6 oz.
What comes in the box with the Sony Sub 9?
The package includes the subwoofer, AC power cord, and documentation, with some regions also including an AC plug adaptor. Sony’s support specs page also lists the AC cord, warranty card, and reference guide.
Is setup complicated?
Setup is intended to be straightforward with compatible Sony systems. Sony provides connection guidance through its Help Guide, and some supported soundbars and systems use the Sony | BRAVIA Connect app during setup.
Reviews
Product Description
Product Description
The Sony BRAVIA Theater Sub 9 Wireless Subwoofer delivers deep, ultra-low bass for compatible Sony soundbars and home theater systems. Dual opposing 200 mm aluminum drivers and a sealed design create powerful, controlled low-frequency performance with reduced vibration. Its wireless setup keeps installations clean while adding premium cinematic depth to movies, music, sports, and gaming. For even bigger impact, compatible Sony systems can support two matching Sub 9 subwoofers for fuller room coverage.
Get the Details
Features & Specs
Features & Specs
Dual opposing 200 mm aluminum drivers
Two large cone drivers work together to deliver stronger bass performance with cleaner, more stable low-end response.
Deep ultra-low frequency bass
Designed to uncover low-frequency detail that smaller or less capable systems may miss, adding greater impact and immersion.
Wireless subwoofer integration
Connects wirelessly with compatible Sony audio systems for a cleaner setup and more flexible room placement.
Sealed design for controlled output
The sealed cabinet helps create tighter, more accurate bass with less unwanted boom and reduced vibration.
Dual-subwoofer capable on compatible systems
Users can add a second matching Sub 9 on supported Sony systems for more balanced bass distribution across the room.
Premium Sony home theater compatibility
Built to expand select BRAVIA Theater and HT-series systems, making it a focused upgrade for listeners who want richer cinematic sound.
Dual opposing 200 mm aluminum drivers
Two large cone drivers work together to deliver stronger bass performance with cleaner, more stable low-end response.
Deep ultra-low frequency bass
Designed to uncover low-frequency detail that smaller or less capable systems may miss, adding greater impact and immersion.
Wireless subwoofer integration
Connects wirelessly with compatible Sony audio systems for a cleaner setup and more flexible room placement.
Sealed design for controlled output
The sealed cabinet helps create tighter, more accurate bass with less unwanted boom and reduced vibration.
Dual-subwoofer capable on compatible systems
Users can add a second matching Sub 9 on supported Sony systems for more balanced bass distribution across the room.
Premium Sony home theater compatibility
Built to expand select BRAVIA Theater and HT-series systems, making it a focused upgrade for listeners who want richer cinematic sound.
Expert Insight
Expert Insight
Speakers are designed to reproduce what we hear — but the best home theater systems also reproduce what we feel. Think about sitting near a live drum kit at a concert, feeling the rumble of an explosion in a movie theater, or hearing the footsteps of a dinosaur shake the room. Those sensations come from deep bass frequencies and low-frequency vibrations that standard TV speakers and even many soundbars simply cannot reproduce effectively. That’s the purpose of a subwoofer. A subwoofer is specifically engineered to handle the deepest bass frequencies — including some frequencies that are felt more than heard. These low frequencies are also the most demanding for any speaker system to reproduce accurately, especially smaller speakers that simply lack the cabinet size and driver capability required for serious bass performance. A quality subwoofer adds the weight, impact, and realism that movies, music, and gaming are meant to have. The Sony BRAVIA Theater Sub 7, Sub 8, and Sub 9 are designed to integrate seamlessly with compatible Sony soundbars, creating a powerful, cohesive surround sound experience with convenient single-volume control for the entire system. Which Sony BRAVIA Theater Subwoofer Is Right for You? Sony BRAVIA Theater Sub 7 is an excellent choice for: * Smaller enclosed rooms * Ground-floor rooms built on slab foundations * Apartments or spaces where moderate bass output is ideal For larger or more acoustically challenging spaces, stepping up to the Sony BRAVIA Theater Sub 8 or Sub 9 can make a significant difference. These larger subwoofers are better suited for: * Large living rooms * Open-concept spaces * Rooms with high ceilings * Upstairs rooms * Rooms above basements or crawlspaces
Michael J Chapman
Over 30 years at ListenUp!
Details
Details
Sony BRAVIA Theater Sub 9 Wireless Subwoofer
Sony BRAVIA Theater Sub 9 Wireless Subwoofer delivers premium, room-shaking bass designed to reveal the ultra-low frequencies that standard audio systems often miss. Built with dual opposing 200 mm aluminum cone drivers in a sealed enclosure, this wireless subwoofer produces deep, clean, tightly controlled bass with reduced vibration, helping movies, shows, sports, and music sound more immersive and more precise. Its wireless design keeps setup cleaner and more flexible, while compatibility with select Sony BRAVIA Theater soundbars, home theater systems, and AV receivers makes it an easy upgrade for a more cinematic listening experience. For users who want even greater low-end impact, compatible systems can support two matching Sub 9 units for stronger, more balanced bass throughout the room.
Wireless transmitter/receiver frequency bands: 5 GHz, 6 GHz
Dual subwoofer support: Yes, on compatible Sony systems using two matching subwoofers
Power supply: AC 120 V, 60 Hz
Power consumption: 100 W
Network standby mode power consumption: 2.0 W or less
Off mode power consumption: 0.3 W
Auto standby activation: After about 20 minutes
Networked standby mode activated: After 20 minutes (Bluetooth connection)
Wireless network on/off switch method: Press the LINK button 5 times
Dimensions (W x H x D): Approx. 390 mm x 400 mm x 350 mm
Dimensions (W x H x D): Approx. 15 3/8 in x 15 3/4 in x 13 7/8 in
Weight: Approx. 23.3 kg
Weight: Approx. 51 lb 6 oz
Exterior/control details: LINK button, power indicator, side opening, bottom AC inlet
Included in the box: Subwoofer (1)
Included in the box: AC power cord (mains lead) (1 or 2, depending on region)
Included in the box: Documents (1 set)
Included in the box per support page: AC cord, warranty card, reference guide
Optional regional accessory: AC plug adaptor (1, some countries/regions only)
Compatibility note: Works only with specific compatible Sony models
Compatible families named on product page: BRAVIA Theater Quad, Bar 9, Bar 8, Bar 7, HT-A7000, HT-A5000, HT-A3000
Sony BRAVIA Theater Sub 9 Wireless Subwoofer Q&A:
Which Sony systems are compatible with the BRAVIA Theater Sub 9?
The Sub 9 is designed for select compatible Sony home audio products, including the families listed on the product page such as BRAVIA Theater Quad, Bar 9, Bar 8, Bar 7, HT-A7000, HT-A5000, and HT-A3000. Sony also notes that compatibility should be confirmed against its current compatibility list for supported main audio devices.
Is the Sony SA-SW9 a wireless subwoofer?
Yes. It is a wireless subwoofer that connects with compatible Sony audio systems, helping keep installation cleaner and reducing cable clutter in the room.
Can two BRAVIA Theater Sub 9 subwoofers be used together?
Yes, compatible Sony systems can support dual subwoofers, but both connected subwoofers must be the same model. Sony notes this can create stronger, more balanced room-filling bass.
What kind of bass performance does the Sub 9 deliver?
The Sub 9 is built for ultra-low frequency performance with deep, powerful, controlled bass. Its dual opposing 200 mm aluminum drivers and sealed design help deliver strong impact with reduced vibration and better low-end precision.
What type of enclosure does the SA-SW9 use?
The BRAVIA Theater Sub 9 uses a sealed speaker design, which supports tighter, cleaner bass response.
How large and heavy is the Sub 9?
The unit measures about 390 mm x 400 mm x 350 mm, or 15 3/8 in x 15 3/4 in x 13 7/8 in, and weighs about 23.3 kg, or 51 lb 6 oz.
What comes in the box with the Sony Sub 9?
The package includes the subwoofer, AC power cord, and documentation, with some regions also including an AC plug adaptor. Sony’s support specs page also lists the AC cord, warranty card, and reference guide.
Is setup complicated?
Setup is intended to be straightforward with compatible Sony systems. Sony provides connection guidance through its Help Guide, and some supported soundbars and systems use the Sony | BRAVIA Connect app during setup.
