Short answer: the Sonos Sub (Gen 1) for better sound quality, the Atlantic Technology 224SB for the lower price. The Sonos Sub (Gen 1) ranks #115 of 137 subwoofers at $699. The Atlantic Technology 224SB ranks #117 at $673, $26 cheaper.
What the Sonos Sub (Gen 1) offers: Wireless sealed 12-inch delivers surprisingly tight deep bass without mushy response. Watch for: Its documented strengths make it a credible option in this class.
What the Atlantic Technology 224SB offers: 10-inch sealed with 180W delivers powerful compact bass with exclusive Clear Filter Technology (CFT) for clean articulate response. Watch for: Its documented strengths make it a credible option in this class.
Buy the Sonos Sub (Gen 1) if sound quality matters more than the price. Buy the Atlantic Technology 224SB if the price matters more than sound quality.
If sound quality matters at all to you, skip both of these and look higher up the 137 subwoofers instead.

Specifications Side By Side
| Sonos Sub (Gen 1) | Atlantic Technology 224SB | |
|---|---|---|
| Price | $699 Discontinued | $673 Discontinued |
| Ranked | #115 of 137 in Medium Powered Home Subwoofers (30-75 lbs) | #117 of 137 in Medium Powered Home Subwoofers (30-75 lbs) |
| Enclosure | sealed | sealed |
| Output SPL at 31.5 Hz | 93.0 dB | 91.6 dB |
| Output SPL at 40 Hz | 104.9 dB | 97.8 dB |
| Output SPL at 50 Hz | 108.8 dB | 106.3 dB |
| Output SPL at 63 Hz | 108.9 dB | 112.1 dB |
| CEA-2010-A Average (40-80Hz) | 107.5 dB (avg of 3/4 bands) | 107.3 dB |
| Dimensions | 15.3"H x 15.8"W x 6.2"D (388.6 x 401.3 x 157.5 mm) | 13.2"H x 13.2"W x 15.4"D (336.5 x 336.5 x 391.2 mm) |
| Weight | 36.4 lbs / 16.5 kg | 31.1 lbs / 14.1 kg |
| Warranty | 1 | 3 |
| Cabinet Color | black, white | black |
| Country | United States | United States |
| Measurement Source | Brent Butterworth | Brent Butterworth |
| Power Output (Watts) | Not published | 180W RMS |
| Frequency Response | 40Hz -3dB approx | 33-250Hz |
| Discontinued | Yes | Yes |
| Drivers | 2x 4.5x7" (114x178mm) racetrack drivers, force-cancelling | 10" (254mm) driver |
| Output SPL at 15 Hz | - | 74.8 dB |
| Output SPL at 20 Hz | - | 82.2 dB |
| Output SPL at 25 Hz | - | 84.6 dB |
| Output SPL at 80 Hz | - | 113.1 dB |
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The Two Speakers In Full
Sonos Sub (Gen 1): $699 Discontinued
Pros: Wireless sealed 12-inch delivers surprisingly tight deep bass without mushy response. Unique upright/flat design offers placement flexibility. Seamless Sonos integration with quick setup. Reliable wireless operation.
Cons: Discontinued.
Notes: low profile (<8in)
Full Sonos Sub (Gen 1) review and specifications →
| CEA-2010-A Average (40-80Hz) | 107.5 dB (avg of 3/4 bands) |
|---|---|
| Cabinet Color | black, white |
| Country | United States |
| Dimensions | 15.3"H x 15.8"W x 6.2"D (388.6 x 401.3 x 157.5 mm) |
| Discontinued | Yes |
| Drivers | 2x 4.5x7" (114x178mm) racetrack drivers, force-cancelling |
| Enclosure | sealed |
| Frequency Response | 40Hz -3dB approx |
| Measurement Source | Brent Butterworth |
| Output SPL at 31.5 Hz | 93.0 dB |
| Output SPL at 40 Hz | 104.9 dB |
| Output SPL at 50 Hz | 108.8 dB |
| Output SPL at 63 Hz | 108.9 dB |
| Power Output (Watts) | Not published |
| Warranty | 1 |
| Weight | 36.4 lbs / 16.5 kg |
As an eBay Partner, we may be compensated if you make a purchase.
- Reviews, Comparisons and Sound Samples
Atlantic Technology 224SB: $673 Discontinued
Pros: 10-inch sealed with 180W delivers powerful compact bass with exclusive Clear Filter Technology (CFT) for clean articulate response. Well-deserved reputation for power and impact without sacrificing detail. Inherently low distortion sealed design.
Cons: Discontinued.
Full Atlantic Technology 224SB review and specifications →
| CEA-2010-A Average (40-80Hz) | 107.3 dB |
|---|---|
| Cabinet Color | black |
| Country | United States |
| Dimensions | 13.2"H x 13.2"W x 15.4"D (336.5 x 336.5 x 391.2 mm) |
| Discontinued | Yes |
| Drivers | 10" (254mm) driver |
| Enclosure | sealed |
| Frequency Response | 33-250Hz |
| Measurement Source | Brent Butterworth |
| Output SPL at 15 Hz | 74.8 dB |
| Output SPL at 20 Hz | 82.2 dB |
| Output SPL at 25 Hz | 84.6 dB |
| Output SPL at 31.5 Hz | 91.6 dB |
| Output SPL at 40 Hz | 97.8 dB |
| Output SPL at 50 Hz | 106.3 dB |
| Output SPL at 63 Hz | 112.1 dB |
| Output SPL at 80 Hz | 113.1 dB |
| Power Output (Watts) | 180W RMS |
| Warranty | 3 |
| Weight | 31.1 lbs / 14.1 kg |
As an eBay Partner, we may be compensated if you make a purchase.
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