
Monoprice Powered Subwoofer
Score: 70/100
Rockville Rock Shaker 12
Score: 77/100Rankings

The Rockville Rock Shaker 12 is a 12-inch powered subwoofer offering 800 W peak power and versatile connectivity for small-to-medium rooms. Its bass extension can be limited and the cabinet size may restrict output in larger spaces. Best suited for budget-conscious home-theater users who need strong impact without complex setup.

The Monoprice 108248 is an 8-inch powered subwoofer with 60 W RMS output and adjustable crossover, suited for compact or entry-level home-theater setups. Its modest power and sensitive controls limit performance in larger spaces, but its affordability and flexibility make it a solid choice for beginners. Best for small rooms or desk-top speaker configurations.
| Attribute | ![]() | ![]() |
|---|---|---|
60 W | 400 Wbest | |
— | 800 Wbest | |
8 inbest | — | |
8 in | 12 inbest | |
— | 4 Ωbest | |
| ↓ lower better | 19.05 lbbest | 43 lb |
13.75 in | 14.6 inbest | |
11.75 in | 18.3 inbest |
Click an attribute name to sort · Green = best, red = worst (relative to this comparison)
| Attribute | ![]() | ![]() |
|---|---|---|
Power & Consumption(1) | ||
Amplifier Power (RMS) (W) | 60 W | 400 W |
Audio(2) | ||
Frequency Response (Hz) | 50-250 Hz | 20-200 Hz |
Woofer Size (in) | 8 in | 12 in |
Connectivity(1) | ||
Input Type | RCA, speaker-level | RCA, high-level |
Build & Design(5) | ||
Enclosure Type | Ported | ported, rear-firing |
Weight (lb) | 19.05 lb | 43.0 lb |
Height (in) | 13.75 in | 14.6 in |
Width (in) | 11.75 in | 18.3 in |
Depth (in) | 11.75 in | 18.9 in |

Products in the top-left offer the best value (high score, low price).

Professional reviewers praise the Monoprice 108248 for its compact design, reinforced driver, and versatile connectivity, noting it provides a solid entry-level bass solution for stereo and 5.1 systems.
Everyday users love the subwoofer's smooth, room-filling bass and its ability to enhance small bookshelf speakers, though they note the limited power and overly sensitive controls.


Professional sources describe the Rock Shaker 12 as a powerful, efficient subwoofer that provides deep, resonant bass with low distortion, thanks to its Class D amp and robust MDF enclosure. Reviewers appreciate the adjustable crossover and versatile connectivity, positioning it as a solid entry-level choice for home-theater and music setups.