
SVS SB-3000 Black
Score: 84/100
REL Acoustics HT MKII
Score: 84/100Rankings

The SVS SB-3000 is a compact sealed 13-inch subwoofer that packs 800 W RMS of power and sophisticated app-based DSP for precise bass. Its sealed design can limit maximum output in very large rooms and it lacks built-in room correction. Ideal for audiophiles with medium-to-large rooms who value accuracy and flexible placement.

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 | ![]() | ![]() |
|---|---|---|
800 Wbest | 500 W | |
— | 22 Hzbest | |
2,500 Wbest | 800 W | |
13 inbest | 12 in | |
— | 12 inbest | |
| ↓ lower better | 54.5 lb | 38 lbbest |
2,500 sqftbest | 400 sqft | |
15.6 inbest | 15.25 in |
Click an attribute name to sort · Green = best, red = worst (relative to this comparison)
| Attribute | ![]() | ![]() |
|---|---|---|
Power & Consumption(2) | ||
Amplifier Power (RMS) (W) | 800 W | 500 W |
Peak Power (W) | 2500 W | 800 W |
Audio(2) | ||
Frequency Response (Hz) | 18-270 Hz | 22-200 Hz |
Driver Size (in) | 13 in | 12 in |
Connectivity(2) | ||
Input Type | RCA/LFE | RCA |
Wireless Capability | false | true |
Features(1) | ||
Recommended Room Size (sqft) | 2500 sqft | 400 sqft |
Build & Design(6) | ||
Enclosure Type | sealed | Sealed |
Cabinet Material | MDF | MDF with high-gloss HDF top panel |
Weight (lb) | 54.5 lb | 38.0 lb |
Height (in) | 15.6 in | 15.25 in |
Width (in) | 15.2 in | 16.25 in |
Depth (in) | 17.8 in | 17.25 in |

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

Professional reviewers commend the SB-3000 for its compact footprint, powerful 800 W RMS amp, and sophisticated 50 MHz DSP, noting that it delivers deep, musical bass rivaling larger subs while offering easy placement and app-based tuning. However, they caution that the sealed design may fall short of the maximum output achievable by ported models in very large rooms and point out the absence of built-in room correction.
Everyday users overwhelmingly praise the SB-3000's ability to deliver impressive, room-filling bass in a relatively small package, highlighting the intuitive app and the sub's musical accuracy. The most common criticism centers on the sealed enclosure's potential output limits in exceptionally large or open spaces.

“"petite size" and 54 lbs weight making it "easy to pick up and move"”

“"groundbreaking performance for the price and size"”



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.