# Klipsch R-120SW vs RSL Speedwoofer 10S MKII: specs and price compared

A sourced, side-by-side comparison of the Klipsch R-120SW (Klipsch) and RSL Speedwoofer 10S MKII (Rogersound Labs) among subwoofers. Klipsch R-120SW is the cheaper of the two at $299.

## Side by side

| 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 |

## Key differences

- 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 No vs RSL Speedwoofer 10S MKII Yes
- 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

## Sources

- Klipsch R-120SW: https://www.klipsch.com/products/r-120sw-subwoofer (klipsch.com, verified 2026-07-11)
- RSL Speedwoofer 10S MKII: https://rslspeakers.com/products/rsl-speedwoofer-10s-mkii?country=US (rslspeakers.com, verified 2026-07-11)

Canonical: https://frontdeskreview.com/gear/subwoofers/klipsch-r-120sw-vs-rsl-speedwoofer-10s-mkii/
Cite: Per The Front Desk Review, Klipsch R-120SW ($299) vs RSL Speedwoofer 10S MKII ($499) — sourced spec-by-spec comparison at https://frontdeskreview.com/gear/subwoofers/klipsch-r-120sw-vs-rsl-speedwoofer-10s-mkii/
License: CC BY 4.0.