Klipsch SPL-120 Subwoofer with WA2 Wireless Adapter
- Driver Size: 12 inches
- Power: 600 watts
- Connectivity: RCA
- Brand Tech: Klipsch
Last refreshed Aug 4, 2026 · Based on the Amazon listing and published specifications, not hands-on testing.
A high-output 600 watt, 12 inch Klipsch subwoofer built for real low-end in a larger room, at the cost of a fairly large cabinet.
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ASIN: B07GFRBCCPModel: SPL-120Category: Subwoofers
Overview
The Klipsch SPL-120 is a 600 watt subwoofer with a 12 inch driver, finished in ebony and connected via RCA. It plugs directly into an outlet through its plug mount design.
A 12 inch driver paired with 600 watts of power places this in the higher-output range for home subwoofers, suited to larger rooms or listeners who want deep low-end extension. At just over 22 inches on each side, it needs a real floor footprint rather than a discreet corner spot.
- 600 watt output
- 12 in driver
- RCA connectivity
- Ebony finish
Who it's for
Fits a home theater setup where bass output matters more than a small footprint, especially in a larger or open room. Less suited to a small apartment or a listener who wants a compact, low-profile subwoofer.
Pros and cons
- 600 watt power handling
- Large 12 in driver for deep bass
- RCA connection for standard receivers
- Large cabinet at 22.4 x 19.6 x 22.8 in
- Needs a wall outlet for the plug-mount power design
Performance notes
The 12 inch driver combined with 600 watts of power is built for high-output bass extension, typically better suited to larger or more open rooms where the sound has room to develop rather than tight apartment spaces. RCA connectivity means it pairs with a receiver or amplifier that has a subwoofer output.
Specifications
| Brand | Klipsch |
|---|---|
| Model | SPL-120 |
| Dimensions & fit | |
| Driver Size | 12 incheshigher than 51% of 38 subwoofers |
| Dimensions | 22.4 × 19.6 × 22.8 inches |
| Dimensions | 22.4 x 19.6 x 22.8 in |
| Power & efficiency | |
| Power | 600 wattshigher than 77% of 40 subwoofers |
| Construction & materials | |
| Color | Ebony |
| Compatibility & installation | |
| Connectivity | RCA |
| Mounting | Plug Mount |
| Other details | |
| Brand Tech | Klipsch |
| Speaker Type | Subwoofer |
Closest rivals on specs
JBL Studio 660P Powered Subwoofer 12 Inch- Power 600 vs 500 watts (+20%)
JBL Stage 2 220P Powered Subwoofer 12 Inch- Power 600 vs 500 watts (+20%)
JBL SUBBP12AM Amplified Subwoofer 12 Inch- Power 600 vs 450 watts (+33%)
Frequently asked questions
How much power does the Klipsch SPL-120 handle?
It is rated at 600 watts.
What size driver does it use?
A 12 inch driver.
How does the SPL-120 connect to a receiver?
Through an RCA connection.