Klipsch
Klipsch R-120SW
$299Cheaper
Best Subwoofers · head-to-head
Klipsch R-120SW vs REL T/9x
A sourced, side-by-side comparison. Klipsch R-120SW is cheaper at $299. Every spec and price links to its source.
REL Acoustics
REL T/9x
$1699
Which is better: the Klipsch R-120SW or REL T/9x?
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 | REL T/9x |
|---|---|---|
| US price | $299 | $1699 |
| Brand | Klipsch | REL Acoustics |
| Released | — | — |
| 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 |
Sources — Klipsch R-120SW: klipsch.com (verified 2026-07-11). REL T/9x: rel.net (verified 2026-07-11).
What's the difference between the Klipsch R-120SW and REL T/9x?
Where the two actually differ on the specs we track (6 of 11). Matching specs are omitted.
- 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 false vs REL T/9x true
- 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