
Sony SA-SW5
Score: 76/100
Sonos Sub 4
Score: 86/100Rankings

The Sonos Sub 4 is a wireless subwoofer with dual inward-facing 5"×8" drivers delivering deep 25 Hz bass and automatic Trueplay tuning. Its Wi-Fi-only connectivity and substantial weight can limit flexibility for non-Sonos setups. Ideal for Sonos ecosystem owners seeking powerful bass in medium-to-large rooms.

The Sony SA-SW5 is a 7-inch wireless subwoofer offering 300 W RMS power and a sealed design for clean bass within Sony's ecosystem. Its compatibility is limited to select Sony soundbars and it provides no phase adjustment, restricting flexibility. Ideal for Sony soundbar owners needing a compact, cable-free solution.
| Attribute | ![]() | ![]() |
|---|---|---|
300 Wbest | — | |
— | 25 Hzbest | |
7.09 inbest | 5 in | |
| ↓ lower better | 43 Wbest | — |
| ↓ lower better | 28.66 lb | 26.46 lbbest |
16.1 inbest | 15.83 in | |
10.91 in | 15.31 inbest | |
16.61 inbest | 6.22 in |
Click an attribute name to sort · Green = best, red = worst (relative to this comparison)
| Attribute | ![]() | ![]() |
|---|---|---|
Audio(2) | ||
Frequency Response (Hz) | 28-200 Hz | 25 Hz |
Driver Size (in) | 7.09 in | 5 in |
Connectivity(1) | ||
Input Type | none | WiFi |
Build & Design(5) | ||
Enclosure Type | Sealed | Ported |
Weight (lb) | 28.66 lb | 26.46 lb |
Height (in) | 16.1 in | 15.83 in |
Width (in) | 10.91 in | 15.31 in |
Depth (in) | 16.61 in | 6.22 in |


Products in the top-left offer the best value (high score, low price).

Professional sources highlight the SA-SW5 as a premium, tightly integrated component of Sony's soundbar ecosystem, emphasizing its proprietary S-Master amplification, Sigma Magnetic Circuit, and wireless 5.0 GHz RF connectivity. Reviewers note that these technologies aim to deliver powerful, low-distortion bass while maintaining a compact, cable-free design, positioning the subwoofer as a high-end add-on rather than a universal aftermarket upgrade.
Everyday owners love the deep, powerful bass output from 300 W amplification and the wireless convenience, but many note the sub's limited compatibility with non-Sony equipment and the absence of phase-adjustment.

Professional reviewers highlight the Sub 4's deep 25 Hz low-frequency response with force-canceling dual woofers, automatic Trueplay room-acoustic tuning and app-adjustable EQ deliver optimized bass for any space. Flexible placement allows vertical or horizontal orientation, even under furniture, for hidden installs.
