Klipsch
Klipsch R-120SW
$299Cheaper
Best Subwoofers · head-to-head
Klipsch R-120SW vs RSL Speedwoofer 10S MKII
A sourced, side-by-side comparison. Klipsch R-120SW is cheaper at $299. Every spec and price links to its source.
Rogersound Labs
RSL Speedwoofer 10S MKII
$499
Released 2022
Which is better: the Klipsch R-120SW or RSL Speedwoofer 10S MKII?
The Klipsch R-120SW wins 1 of the 1 specs we compare head to head; the other wins 0. The Klipsch R-120SW is the cheaper at $299. The Klipsch R-120SW both leads on specs and costs less — the straightforward pick.
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Full spec sheet
✓ marks the stronger figure where "more" — or "less", for price and weight — is unambiguously better.
| Spec | Klipsch R-120SW | RSL Speedwoofer 10S MKII |
|---|---|---|
| US price | $299 | $499 |
| Brand | Klipsch | Rogersound Labs |
| Released | — | 2022 |
| Driver size (in) | 12 | 10 |
| Amplifier power rms (W) | 200 | 400 |
| Amplifier power peak (W) | 400 | 1020 |
| Enclosure type | ported | ported |
| Frequency response (Hz) | 29 to 120 | 22-200 Hz ±3 dB |
| Amplifier class | — | class-d |
| Driver orientation | front-firing | front-firing |
| Room correction | No | No |
| Wireless input | No | Yes |
| Dimensions (in) | 16.5 x 14 x 19.2 | 15 1/2 x 15 x 15 3/4 |
| Weight (lb) | 31 | 40.6 |
Sources — Klipsch R-120SW: klipsch.com (verified 2026-07-11). RSL Speedwoofer 10S MKII: rslspeakers.com (verified 2026-07-11).
What's the difference between the Klipsch R-120SW and RSL Speedwoofer 10S MKII?
Where the two actually differ on the specs we track (7 of 11). Matching specs are omitted.
- Driver size (in): Klipsch R-120SW 12 vs RSL Speedwoofer 10S MKII 10
- Amplifier power rms (W): Klipsch R-120SW 200 vs RSL Speedwoofer 10S MKII 400
- Amplifier power peak (W): Klipsch R-120SW 400 vs RSL Speedwoofer 10S MKII 1020
- Frequency response (Hz): Klipsch R-120SW 29 to 120 vs RSL Speedwoofer 10S MKII 22-200 Hz ±3 dB
- Wireless input: Klipsch R-120SW false vs RSL Speedwoofer 10S MKII true
- Dimensions (in): Klipsch R-120SW 16.5 x 14 x 19.2 vs RSL Speedwoofer 10S MKII 15 1/2 x 15 x 15 3/4
- Weight (lb): Klipsch R-120SW 31 vs RSL Speedwoofer 10S MKII 40.6