Monoprice 142843 Subwoofer
- Subwoofer
- 10 inches
- 500 watts
- Monoprice
A 10-inch, 500-watt subwoofer for home theater rooms that already have a receiver with an RCA subwoofer output to feed it.
As an Amazon Associate, ProductDome may earn a commission from qualifying purchases made through links on this page.
How it ranks among the 74 subwoofers we track
4.1★ across 48 Amazon ratings, Bayesian-smoothed toward the category average.
48 Amazon ratings, weighted on a log scale so huge counts don't drown everything.
Modest tracked demand last month.
Brand identity, imagery, description and spec coverage.
The ProductDome score is separate from the Amazon rating shown above: it combines the Bayesian-smoothed Amazon rating with evidence volume, tracked demand, and data quality across the 74 subwoofers we track - how the scorecard works · full subwoofers data report. Confidence: medium - useful but incomplete evidence.Last refreshed Aug 4, 2026. Data-computed, not a hands-on test. Compiled by the ProductDome Research Team.
Overview
With a 10-inch driver and 500 watts of power, the Monoprice 142843 is a subwoofer built as a ground-standing addition to a home theater or stereo system.
With a 10-inch driver and 500-watt power rating, this subwoofer is sized for a dedicated home theater room rather than a compact desktop setup, and its RCA connectivity matches the standard subwoofer output found on most AV receivers. The listed ground mount orientation means it sits directly on the floor rather than being wall or shelf mounted.
- 10-inch driver
- 500W power rating
- RCA input
- Ground mount design, black finish
Who it's for
Fits buyers adding low-end bass to an existing home theater or stereo receiver setup that has a subwoofer output. Not relevant if you need a compact subwoofer for a small space, given its 15 x 20.9 x 18.9 in footprint.
Strengths and trade-offs
Drawn from this product's published specifications.
- 10-inch driver with 500W power for real low-end output
- Simple RCA connection to any compatible receiver
- Ground-mount design for stable floor placement
- Full-size cabinet needs real floor space
- RCA-only input, no wireless connection option
Performance notes
A 10-inch driver at 500 watts gives the 142843 enough cone area and power to fill a mid-size to large room with low-frequency output, the kind of headroom that matters most for movie soundtracks and bass-heavy music. RCA input keeps setup simple with any receiver that has a dedicated subwoofer output, and the ground-mount design keeps the driver firing from floor level.
Specifications
| Brand | Monoprice |
|---|---|
| Model | 142843 |
| Dimensions & fit | |
| Driver Size | 10 inches |
| Dimensions | 15 × 20.9 × 18.9 inches |
| Power & efficiency | |
| Power | 500 watts |
| Construction & materials | |
| Color | Black |
| Compatibility & installation | |
| Connectivity | RCA |
| Mounting | Ground Mount |
| Other details | |
| Brand Tech | Monoprice |
| Speaker Type | Subwoofer |
Other Monoprice subwoofers
How it compares
This product against the closest alternatives we track in subwoofers.
| Product | Amazon rating | Ratings | ProductDome score |
|---|---|---|---|
| Monoprice 142843 SubwooferThis product | 4.1 / 5 | 48 | 3.4 / 5 |
| Klipsch R-12SW SubwooferKlipsch | 4.8 / 5 | 5,723 | 4.1 / 5 |
| Sonos SUBG3US1BLK SubwooferSonos | 4.7 / 5 | 1,900 | 3.9 / 5 |
| Audioengine S8 SubwooferAudioengine | 4.7 / 5 | 758 | 3.9 / 5 |
| Edifier T5 SubwooferEdifier | 4.4 / 5 | 1,800 | 3.8 / 5 |
Similar subwoofers from other brands
Questions about the Monoprice 142843
Common buyer questions answered straight from the product spec data - no fluff, no "it depends".
What size driver does the Monoprice 142843 use?
It has a 10-inch driver.
How is the 142843 subwoofer connected?
It connects via RCA input, matching standard subwoofer outputs on AV receivers.
Is this subwoofer wall mountable?
No, it is designed as a ground-mount unit that sits on the floor.