
JBL LSR310S
Score: 82/100
Sony SA-SW5
Score: 76/100Rankings

The JBL LSR310S is a 10-inch powered studio subwoofer with a 200 W Class D amp, Slip Stream Port and multiple crossover options, delivering precise low-end for professional monitoring. Its down-firing design and lack of onboard EQ limit placement and fine-tuning flexibility. Best suited for studio engineers who need accurate bass and balanced inputs.

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 | ![]() | ![]() |
|---|---|---|
200 W | 300 Wbest | |
9.84 inbest | 7.09 in | |
| ↓ lower better | — | 43 Wbest |
| ↓ lower better | 34.392 lb | 28.66 lbbest |
15 in | 16.1 inbest | |
15.66 inbest | 10.91 in | |
17.64 inbest | 16.61 in |
Click an attribute name to sort · Green = best, red = worst (relative to this comparison)
| Attribute | ![]() | ![]() |
|---|---|---|
Power & Consumption(1) | ||
Amplifier Power (RMS) (W) | 200 W | 300 W |
Audio(2) | ||
Frequency Response (Hz) | 27-80 Hz | 28-200 Hz |
Driver Size (in) | 9.84 in | 7.09 in |
Connectivity(2) | ||
Input Type | XLR, TRS | none |
Wireless Capability | false | true |
Build & Design(5) | ||
Enclosure Type | Ported | Sealed |
Weight (lb) | 34.392 lb | 28.66 lb |
Height (in) | 15.0 in | 16.1 in |
Width (in) | 15.66 in | 10.91 in |
Depth (in) | 17.64 in | 16.61 in |


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

Professional reviewers emphasize the LSR310S's engineering excellence, highlighting the Slip Stream Port and 200 W Class D amp that deliver deep, low-distortion bass down to 20 Hz with 113 dB SPL. They praise its flexible XLF mode and multiple crossover settings for studio versatility, especially when paired with JBL LSR305/308 monitors.
While direct consumer reviews are scarce, inferred feedback suggests users value the subwoofer's deep bass response and easy, plug-and-play connectivity, with no major complaints surfacing in the available sources.

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.