
SVS SB-1000 Pro Black
Score: 86/100
REL Acoustics HT MKII
Score: 84/100Rankings

The SVS SB-1000 Pro is a sealed 12-inch subwoofer with 325 W RMS amplification and app-based DSP for precise bass down to 20 Hz. Its sealed cabinet limits ultra-deep output and it lacks balanced XLR inputs, which may deter pro-audio setups. Perfect for small-to-mid rooms where tight, accurate bass is prioritized.

The REL HT/1205 MKII is a 12-inch sealed powered subwoofer delivering 500 W RMS and deep 22 Hz bass in a compact cabinet. Its high output comes with a substantial 38 lb weight and wireless capability only as an optional add-on. Ideal for enthusiasts seeking powerful, precise bass in medium-sized home-theater rooms.
| Attribute | ![]() | ![]() |
|---|---|---|
325 W | 500 Wbest | |
— | 22 Hzbest | |
820 Wbest | 800 W | |
12.01 inbest | 12 in | |
— | 12 inbest | |
| ↓ lower better | 32 lbbest | 38 lb |
— | 400 sqftbest | |
13.39 in | 15.25 inbest |
Click an attribute name to sort · Green = best, red = worst (relative to this comparison)
| Attribute | ![]() | ![]() |
|---|---|---|
Power & Consumption(2) | ||
Amplifier Power (RMS) (W) | 325 W | 500 W |
Peak Power (W) | 820 W | 800 W |
Audio(2) | ||
Frequency Response (Hz) | 20-270 Hz | 22-200 Hz |
Driver Size (in) | 12.01 in | 12 in |
Build & Design(4) | ||
Weight (lb) | 32 lb | 38.0 lb |
Height (in) | 13.39 in | 15.25 in |
Width (in) | 14.57 in | 16.25 in |
Depth (in) | 131.10 in | 17.25 in |

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

Professional reviewers consistently praise the SB-1000 Pro for its tight, controlled bass, impressive 20 Hz extension, and excellent value, awarding it high scores for sound quality and price. They commend the powerful 325 W Class D amp, the 12-inch driver, and the intuitive app-based DSP, while noting its sealed design limits maximum output and deep sub-bass compared to ported or larger models, and the lack of XLR inputs may deter pro-audio installations.
Everyday owners love the sub's powerful, accurate bass, compact size, and the "amazing" app that simplifies tuning. Common praise centers on its ability to fill medium rooms, solid build quality, and ease of setup, while recurring complaints focus on the sealed design's limited ultra-deep bass and the need for some AV knowledge during initial configuration.

“amazing app for easy tuning”

“king of subwoofer value”

“cracking entry-level sub”

Choose the REL HT/1205 MKII for high-performance, space-saving sealed bass; choose the SVS SB-1000 Pro for deeper bass and built-in wireless.

Professional reviewers commend the HT/1205 MKII for delivering cinema-grade bass impact from a surprisingly compact enclosure, citing its powerful MOSFET-driven Class D amp and refined chassis as key strengths. They highlight its ability to rival much more expensive subwoofers while noting the added weight and the need for an optional wireless module as minor drawbacks.