Sony BRAVIA Theatre Quad System Review
A uniquely flexible four-speaker system whose spatial mapping delivers exceptional immersion, but the base package needs a subwoofer for full-range impact.

At a Glance
Sony’s four-speaker Theatre Quad uses spatial mapping to build a broad virtual speaker array, giving unusually convincing surround placement even in rooms where perfectly symmetrical placement is difficult.
Sony BRAVIA Theatre Quad System Specifications
The Sony BRAVIA Theatre Quad HT-A9M2 is a 4.0.4-channel wireless home-theater system with four 4-driver speakers, a 16-channel 504 W digital amplifier, 360 Spatial Sound Mapping, Dolby Atmos, DTS:X, HDMI eARC, Wi-Fi and Bluetooth 5.2.
Core Specifications
| Type | 4.0.4-channel wireless home-theater speaker system with four speakers and control box |
| Key Hardware | 4 speakers with 16 total speaker units; 16-channel S-Master HX digital amplification; 360 Spatial Sound Mapping; DSEE Ultimate |
| Performance | 504 W total amplifier output; Dolby Atmos, DTS:X, IMAX Enhanced and 360 Reality Audio support |
Connectivity
| Wired | 1 x HDMI input; 1 x HDMI output with eARC; Ethernet; S-Center Out |
| Wireless | Wi-Fi IEEE 802.11 a/b/g/n/ac; Bluetooth 5.2 with SBC, AAC and LDAC; AirPlay; Spotify Connect |
Power
| Power / Battery | Approximate power consumption: control box 13 W; each speaker 20 W. |
Compatibility
| Platforms | BRAVIA Connect app; HDMI/eARC TVs; compatible Sony wireless subwoofers including SA-SW3, SA-SW5 and BRAVIA Theatre Sub 7/8/9 |
Dimensions & Weight
| Dimensions | Control box: 6.38 x 2.25 x 6.38 in (162 x 57 x 162 mm); each speaker with table stand: 11.5 x 12.13 x 5.13 in (292 x 308 x 130 mm) |
| Weight | Control box: 1 lb 12 oz (0.77 kg); each speaker with table stand: 5 lb 12 oz (2.60 kg) |
In the Box
- Remote control
- Remote-control batteries
- TV center speaker mode cable
- HDMI cable
- AC adapter and AC cord
- Table stands
- Wall-mounting brackets
- Quick Setup Guide and Reference Guide
Warranty & Support
| Support | Sony USA manuals, firmware downloads, product repair, parts and accessories, registration and contact support |
Summary
The system uses four independently powered wireless speakers linked to a compact control box and can add a compatible Sony wireless subwoofer separately. One HDMI input and one HDMI output support eARC and Dolby Vision pass-through.
Should You Buy the Sony BRAVIA Theatre Quad System?
The Sony BRAVIA Theatre Quad System ranks #6 of 10 in our Best surround sound systems ranking, with a CORE score of 89/100. It is strongest on surround immersion and setup & calibration, where it ranks 1st and 3rd of 10.
Buy it if
- You want flexible speaker placement and exceptionally spacious immersion.
- You want strong surround immersion: it ranks 1st of 10 on this measure.
- You want strong setup & calibration: it ranks 3rd of 10 on this measure.
Skip it if
- Bass & subwoofer is your top priority. The Nakamichi DRAGON 11.4.6 System scores 98 there, against 78 for the Sony BRAVIA Theatre Quad System.
- You want to spend less. The Samsung HW-Q990F (#1) is a lower-priced option.
How the Sony BRAVIA Theatre Quad System Scored
CORE scores every model in this category on the factors below, listed from most to least important for surround sound systems. The rank shows where the Sony BRAVIA Theatre Quad System places among the 10 models in our Best surround sound systems ranking.
Technical Assessment
Performance
The system’s defining advantage is spatial coherence and localization across flexible speaker positions. Its base configuration lacks the deep low-frequency authority of packages that include a substantial subwoofer, so full cinematic weight requires an add-on.
Reliability and Ownership
wireless operation creates more dependency on stable network/control behavior than a fully passive wired speaker package.
Value
Sony BRAVIA Theatre Quad System is compared on complete-system capability and ownership utility at its representative current US configuration price, not on price alone.
Pros and Cons
Pros
- Outstanding spatial mapping creates a very large coherent sound field
- Four wireless speaker units allow flexible room placement
- Excellent surround and height localization
- Strong HDMI and modern platform support
Cons
- Bass is comparatively limited without adding Sony’s optional subwoofer
- Very high price for the four-speaker base system
- Best cinematic impact requires an extra-cost subwoofer
Sony BRAVIA Theatre Quad System Alternatives
Nakamichi DRAGON 11.4.6 System
Choose it for stronger bass & subwoofer: it scores 98 there, against 78 for the Sony BRAVIA Theatre Quad System.
SVS Prime Satellite 5.1 System
Choose it for stronger value & total cost: it scores 94 there, against 72 for the Sony BRAVIA Theatre Quad System.
Samsung HW-Q990F
Choose it for stronger value & total cost: it scores 93 there, against 72 for the Sony BRAVIA Theatre Quad System. It is also a lower-priced option.
How We Evaluate
Last updated October 5, 2026.