Best Subwoofers · head-to-head

Klipsch R-120SW vs Monolith by Monoprice M-12 V2

A sourced, side-by-side comparison. Klipsch R-120SW is cheaper at $299. Every spec and price links to its source.

Which is better: the Klipsch R-120SW or Monolith by Monoprice M-12 V2?

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.

As an Amazon Associate we earn from qualifying purchases. Prices verified at capture; live price may differ.

Full spec sheet

marks the stronger figure where "more" — or "less", for price and weight — is unambiguously better.

Spec Klipsch R-120SW Monolith by Monoprice M-12 V2
US price $299 $849.99
BrandKlipschMonoprice
Released
Driver size (in) 12 12
Amplifier power rms (W) 200 500
Amplifier power peak (W) 400
Enclosure type ported ported
Frequency response (Hz) 29 to 120 17-200
Amplifier class class-d
Driver orientation front-firing
Room correction No No
Wireless input No No
Dimensions (in) 16.5 x 14 x 19.2 25.8 x 16.7 x 22.8
Weight (lb) 31 98.34

Sources — Klipsch R-120SW: klipsch.com (verified 2026-07-11). Monolith by Monoprice M-12 V2: monoprice.com (verified 2026-07-11).

What's the difference between the Klipsch R-120SW and Monolith by Monoprice M-12 V2?

Where the two actually differ on the specs we track (4 of 11). Matching specs are omitted.

  • Amplifier power rms (W): Klipsch R-120SW 200 vs Monolith by Monoprice M-12 V2 500
  • Frequency response (Hz): Klipsch R-120SW 29 to 120 vs Monolith by Monoprice M-12 V2 17-200
  • Dimensions (in): Klipsch R-120SW 16.5 x 14 x 19.2 vs Monolith by Monoprice M-12 V2 25.8 x 16.7 x 22.8
  • Weight (lb): Klipsch R-120SW 31 vs Monolith by Monoprice M-12 V2 98.34

← All subwoofers compared · Open data