Short answer: the Klipsch Flexus Sub 100. It ranks #22 of 73 subwoofers by sound quality (rated 3.4/5) at $349 and is still sold new; the Klipsch R-10SW ranks #45 (rated 3.2/5) and is discontinued, so it is only an option used. The Klipsch R-10SW’s replacement, the Klipsch Reference R-101SW, is rated 3.2/5 at $379.99.
What the Klipsch Flexus Sub 100 does well: A compact sealed 10 inch subwoofer made to add bass to a Klipsch Flexus soundbar in a small room. Watch for: Only works with Klipsch Flexus soundbars, not as a standalone LFE sub.
Why pick the Klipsch R-10SW: A discontinued ported 10 inch subwoofer that adds midbass support to a modest system at a moderate price. Watch for: Without a published 20 Hz result, deep-bass capability is less certain than the midbass figure.
Buy the Klipsch Flexus Sub 100. It is rated higher for sound quality; the Klipsch R-10SW is no longer sold new.
Still deciding? The full Subwoofers rankings cover every ranked option.
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Specifications Side By Side
| Klipsch Flexus Sub 100 | Klipsch R-10SW | |
|---|---|---|
| Price | $349.00 | $399 Discontinued |
| Ranked | #22 of 73 in Small Home Subwoofers (Under 30 lbs) | #45 of 73 in Small Home Subwoofers (Under 30 lbs) |
| Country | United States | United States |
| Enclosure | sealed | ported, rear |
| Output SPL at 20 Hz | 90.2 dB | - |
| Output SPL at 25 Hz | 96.7 dB | - |
| Output SPL at 31.5 Hz | 101.2 dB | - |
| Output SPL at 40 Hz | 105.9 dB | 103.0 dB |
| Output SPL at 50 Hz | 109.0 dB | 106.5 dB |
| Output SPL at 63 Hz | 112.4 dB | 109.0 dB |
| CEA-2010-A Average (40-80Hz) | 109.1 dB (avg of 3/4 bands) | 106.8 dB |
| Dimensions | 13.4”H x 13.2”W x 13.7”D (339.9 x 335.0 x 349.2 mm) | 14”H x 12.5”W x 15.7”D (355.6 x 317.5 x 398.8 mm) |
| Weight | 20.7 lbs (9.4 kg) | 25.6 lbs (11.6 kg) |
| Warranty | 2/5 | 5/2 |
| Measurement Source | Brent Butterworth | ErinsAudioCorner |
| Drivers | 10” (254mm) driver | 10” (254mm) driver |
| Output SPL at 80 Hz | - | 108.8 dB |
| Output SPL at 100 Hz | - | 107.0 dB |
| Output SPL at 125 Hz | - | 104.1 dB |
| Cabinet Color | - | black |
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