Short answer: the HSU Research ULS-15 MK2 is the better choice when maximum sealed-subwoofer value and a larger driver matter, while the SVS SB-2000 wins on app-based control. Both prioritize compact, low-bloat bass rather than the room-shaking output of a ported design.
On the HSU Research ULS-15 MK2 side: Sealed design delivers tight, accurate bass with low bloat.
The case for the SVS SB-2000: Sealed 12” with 550W RMS, 1500W peak Sledge amplifier.
HSU pairs a 15-inch driver with a 600W BASH amplifier, plus Q and EQ controls for integration. The SB-2000 uses a sealed 12-inch driver and 550W RMS Sledge amplification, with smartphone controls and parametric EQ that make adjustment unusually approachable.
Buy the HSU Research ULS-15 MK2 for more driver area and strong sealed-subwoofer value.
Buy the SVS SB-2000 for app control and parametric EQ in a compact enclosure.
Still deciding? The full Subwoofers rankings cover every ranked option.
Specifications Side By Side
| HSU Research ULS-15 MK2 | SVS SB-2000 | |
|---|---|---|
| Price | $1,035 | $899.00 |
| Ranked | #3 of 145 in Medium Home Subwoofers (30-75 lbs) | #34 of 145 in Medium Home Subwoofers (30-75 lbs) |
| Enclosure | sealed | sealed |
| Output SPL at 12.5 Hz | 93.7 dB | - |
| Output SPL at 15 Hz | 98.0 dB | - |
| Output SPL at 20 Hz | 102.4 dB | 101.1 dB |
| Output SPL at 25 Hz | 107.7 dB | 106.1 dB |
| Output SPL at 31.5 Hz | 113.4 dB | 111.8 dB |
| Output SPL at 40 Hz | 118.3 dB | 117.3 dB |
| Output SPL at 50 Hz | 120.8 dB | 117.8 dB |
| Output SPL at 63 Hz | 121.2 dB | 118.2 dB |
| Output SPL at 80 Hz | 121.1 dB | - |
| Output SPL at 100 Hz | 120.7 dB | - |
| Output SPL at 125 Hz | 120.7 dB | - |
| CEA-2010-A Average (40-80Hz) | 120.3 dB | 117.8 dB (avg of 3/4 bands) |
| Dimensions | 19"H x 18"W x 19.5"D (482.6 x 457.2 x 495.3 mm) | 14.6"H x 14.2"W x 15.4"D (370.8 x 360.7 x 391.2 mm) |
| Weight | 65 lbs (29.5 kg) | 34.8 lbs (15.8 kg) |
| Warranty | 7/2(+3) | 5 |
| Cabinet Color | black, wood | black |
| Country | United States | United States |
| Measurement Source | Audioholics | Brent Butterworth |
| Frequency Response | 20-200Hz, ±1dB | 19-220Hz |
| Amplifier Power | 600W RMS / 2000W peak | 500W RMS |
| Crossover Frequency | 30-90Hz adjustable | - |
| Phase Control | 0°-180° | - |
| Features | Q control, sealed subwoofer, EQ1/EQ2 modes | - |
| Drivers | 15" (381mm) driver | 12" (305mm) driver |
Related Speaker Comparisons
How HSU Research ULS-15 MK2 compares with other leading options:
- HSU Research ULS-15 MK2 vs JTR Speakers Captivator 212PRO
- HSU Research ULS-15 MK2 vs MartinLogan Dynamo 1600X
- HSU Research ULS-15 MK2 vs Monoprice SW-12
- HSU Research ULS-15 MK2 vs Power Sound Audio (PSA) XV15
- HSU Research ULS-15 MK2 vs Paradigm Defiance X12
Prices on this page were last checked September 23, 2026 at 11:24 PM UTC. Product prices and availability are accurate as of that date/time and are subject to change; the price and availability shown on Amazon at the time of purchase will apply to the purchase of this product.
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The Two Speakers In Full
HSU Research ULS-15 MK2: $1,035 HSU Research eBay
Pros: Sealed design delivers tight, accurate bass with low bloat. 600W BASH amplifier. 30% less expensive and 20 lbs lighter than predecessor. Easy integration with Q and EQ controls. Great value in the 15” sub market.
Notes: Price includes shipping
Full HSU Research ULS-15 MK2 review and specifications →
| Amplifier Power | 600W RMS / 2000W peak |
|---|---|
| CEA-2010-A Average (40-80Hz) | 120.3 dB |
| Cabinet Color | black, wood |
| Country | United States |
| Crossover Frequency | 30-90Hz adjustable |
| Dimensions | 19"H x 18"W x 19.5"D (482.6 x 457.2 x 495.3 mm) |
| Drivers | 15" (381mm) driver |
| Enclosure | sealed |
| Features | Q control, sealed subwoofer, EQ1/EQ2 modes |
| Frequency Response | 20-200Hz, ±1dB |
| Measurement Source | Audioholics |
| Output SPL at 12.5 Hz | 93.7 dB |
| Output SPL at 15 Hz | 98.0 dB |
| Output SPL at 20 Hz | 102.4 dB |
| Output SPL at 25 Hz | 107.7 dB |
| Output SPL at 31.5 Hz | 113.4 dB |
| Output SPL at 40 Hz | 118.3 dB |
| Output SPL at 50 Hz | 120.8 dB |
| Output SPL at 63 Hz | 121.2 dB |
| Output SPL at 80 Hz | 121.1 dB |
| Output SPL at 100 Hz | 120.7 dB |
| Output SPL at 125 Hz | 120.7 dB |
| Phase Control | 0°-180° |
| Warranty | 7/2(+3) |
| Weight | 65 lbs (29.5 kg) |
- Links
- Reviews, Comparisons and Sound Samples
- Independently measured by Audioholics; the published figures above come from this ASR subwoofer measurement thread.
- Head-to-Head Comparisons
- HSU Research ULS-15 MK2 vs MartinLogan Dynamo 1600X
- HSU Research ULS-15 MK2 vs JTR Speakers Captivator 212PRO
- HSU Research ULS-15 MK2 vs Monoprice SW-12
- HSU Research ULS-15 MK2 vs Power Sound Audio (PSA) XV15
- HSU Research ULS-15 MK2 vs Paradigm Defiance X12
- HSU Research ULS-15 MK2 vs Monoprice SW-15
- HSU Research ULS-15 MK2 vs SVS SB-3000
- HSU Research ULS-15 MK2 vs Klipsch SPL-120
- See all 19 comparisons
SVS SB-2000: $899.00 Amazon eBay
Pros: Sealed 12” with 550W RMS, 1500W peak Sledge amplifier. Rich, full bass in compact 15-cube cabinet. Full smartphone app control with parametric EQ. Versatile for movies and 2-channel audio.
Full SVS SB-2000 review and specifications →
| Amplifier Power | 500W RMS |
|---|---|
| CEA-2010-A Average (40-80Hz) | 117.8 dB (avg of 3/4 bands) |
| Cabinet Color | black |
| Country | United States |
| Dimensions | 14.6"H x 14.2"W x 15.4"D (370.8 x 360.7 x 391.2 mm) |
| Drivers | 12" (305mm) driver |
| Enclosure | sealed |
| Frequency Response | 19-220Hz |
| Measurement Source | Brent Butterworth |
| Output SPL at 20 Hz | 101.1 dB |
| Output SPL at 25 Hz | 106.1 dB |
| Output SPL at 31.5 Hz | 111.8 dB |
| Output SPL at 40 Hz | 117.3 dB |
| Output SPL at 50 Hz | 117.8 dB |
| Output SPL at 63 Hz | 118.2 dB |
| Warranty | 5 |
| Weight | 34.8 lbs (15.8 kg) |
- Links
- Reviews, Comparisons and Sound Samples
- Independently measured by Brent Butterworth; the published figures above come from this ASR subwoofer measurement thread.
- Head-to-Head Comparisons