# Klipsch R-120SW vs REL T/9x: specs and price compared

A sourced, side-by-side comparison of the Klipsch R-120SW (Klipsch) and REL T/9x (REL Acoustics) among subwoofers. Klipsch R-120SW is the cheaper of the two at $299.

## Side by side

| Spec | Klipsch R-120SW | REL T/9x |
| --- | --- | --- |
| US price | $299 | $1699 |
| Brand | Klipsch | REL Acoustics |
| Driver size (in) | 12 | 10 |
| Amplifier power rms (W) | 200 | 300 |
| Amplifier power peak (W) | 400 | — |
| Enclosure type | ported | passive-radiator |
| Frequency response (Hz) | 29 to 120 | — |
| Amplifier class | — | class-ab |
| Driver orientation | front-firing | front-firing |
| Room correction | No | No |
| Wireless input | No | Yes |
| Dimensions (in) | 16.5 x 14 x 19.2 | 13.4 x 14.5 x 15.5 |
| Weight (lb) | 31 | 45.5 |

## Key differences

- Driver size (in): Klipsch R-120SW 12 vs REL T/9x 10
- Amplifier power rms (W): Klipsch R-120SW 200 vs REL T/9x 300
- Enclosure type: Klipsch R-120SW ported vs REL T/9x passive-radiator
- Wireless input: Klipsch R-120SW No vs REL T/9x Yes
- Dimensions (in): Klipsch R-120SW 16.5 x 14 x 19.2 vs REL T/9x 13.4 x 14.5 x 15.5
- Weight (lb): Klipsch R-120SW 31 vs REL T/9x 45.5

## Sources

- Klipsch R-120SW: https://www.klipsch.com/products/r-120sw-subwoofer (klipsch.com, verified 2026-07-11)
- REL T/9x: https://rel.net/products/t-9x (rel.net, verified 2026-07-11)

Canonical: https://frontdeskreview.com/gear/subwoofers/klipsch-r-120sw-vs-rel-t-9x/
Cite: Per The Front Desk Review, Klipsch R-120SW ($299) vs REL T/9x ($1699) — sourced spec-by-spec comparison at https://frontdeskreview.com/gear/subwoofers/klipsch-r-120sw-vs-rel-t-9x/
License: CC BY 4.0.