Short answer: both are discontinued, and they are rated the same for sound quality (#102 and #113 of 212 subwoofers). Either one is only an option used, so choose on condition and price. If you want one new, the Sonos Sub 4 replaces the Sonos Sub (Gen 2) and is rated 3.7/5 at $899.
Why pick the Sonos Sub (Gen 1): The force-cancelling dual-driver design delivers clean, substantial bass without cabinet buzz, and it can stand upright or lie flat in spaces where a conventional subwoofer will not fit. The catch: It works only within a Sonos system, so it cannot serve as a conventional standalone subwoofer.
What the Sonos Sub (Gen 2) does well: A cosmetic refresh of the Sonos Sub (Gen 1) with the same two face-to-face force-cancelling woofers, rated down to 25Hz, and wireless pairing with Sonos soundbars and speakers. The catch: No independent measurements yet, so its output can’t be compared with ranked subwoofers.
Buy the Sonos Sub (Gen 1) or the Sonos Sub (Gen 2), whichever you find used in better condition; both are discontinued. For a new speaker, buy the Sonos Sub 4, which replaces the Sonos Sub (Gen 2).
Worth knowing: the Sonos Sub (Gen 2) has not been measured yet. Its rating is estimated from related models, with a likely range of 3.6 to 3.8, so treat this verdict as provisional.
Looking for alternatives? See the complete Subwoofers rankings.
The force-cancelling dual-driver design delivers clean, substantial bass without cabinet buzz, and it can stand upright or lie flat in spaces where a conventional subwoofer will not fit.
eBay
A cosmetic refresh of the Sonos Sub (Gen 1) with the same two face-to-face force-cancelling woofers, rated down to 25Hz, and wireless pairing with Sonos soundbars and speakers.
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Specifications Side By Side
| Sonos Sub (Gen 1) | Sonos Sub (Gen 2) | |
|---|---|---|
| Price | $699 Discontinued | $699 Discontinued |
| Ranked | #102 of 212 in Medium Home Subwoofers (30-75 lbs) | #113 of 212 in Medium Home Subwoofers (30-75 lbs) Estimated |
| Enclosure | sealed | - |
| Output SPL at 31.5 Hz | 99.0 dB | - |
| Output SPL at 40 Hz | 110.9 dB | - |
| Output SPL at 50 Hz | 114.8 dB | - |
| Output SPL at 63 Hz | 114.9 dB | - |
| CEA-2010-A Average (40-80Hz) | 113.5 dB (avg of 3/4 bands) | - |
| Dimensions | 15.3”H x 15.8”W x 6.2”D (388.6 x 401.3 x 157.5 mm) | 15.8”H x 6.2”W x 15.3”D (402 x 158 x 389 mm) |
| Weight | 36.4 lbs (16.5 kg) | 36.4 lbs (16.5 kg) |
| Warranty | 1 | - |
| Cabinet Color | black, white | - |
| Country | United States | United States |
| Measurement Source | Brent Butterworth | - |
| Frequency Response | 40Hz -3dB approx | - |
| Drivers | 2x 4.5x7” (114x178mm) racetrack drivers, force-cancelling | 2x force-canceling woofers, face to face |
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