HSU Research ULS-15 MK2 vs SVS PB-1000 PRO

Last updated: September 19, 2026

Short answer: the SVS PB-1000 PRO for deep ported output, the HSU Research ULS-15 MK2 for tight sealed bass. The PB-1000 PRO is a ported 12-inch with 325W RMS delivering guttural low extension to 17Hz, and it costs $150 less. The ULS-15 MK2’s sealed design delivers tight, accurate bass with low bloat.

HSU Research ULS-15 MK2 vs SVS PB-1000 PRO

What the HSU Research ULS-15 MK2 gets right: Sealed design delivers tight, accurate bass with low bloat.

On the SVS PB-1000 PRO side: Ported 12-inch with 325W RMS delivers guttural low extension to 17Hz.

Buy the HSU Research ULS-15 MK2. It is rated higher for sound quality, and saving $150 with the SVS PB-1000 PRO does not make up for the sound-quality gap.

Looking for alternatives? See the complete Subwoofers rankings.

Buy the HSU Research ULS-15 MK2 at HSU Research ($999.00) →Buy the SVS PB-1000 PRO at Amazon ($849.00) →

Specifications Side By Side

HSU Research ULS-15 MK2 SVS PB-1000 PRO
Price$1,035$849.00
Ranked#3 of 145 in Medium Home Subwoofers (30-75 lbs)#37 of 145 in Medium Home Subwoofers (30-75 lbs)
Enclosuresealedported, front
Output SPL at 12.5 Hz93.7 dB-
Output SPL at 15 Hz98.0 dB96.0 dB
Output SPL at 20 Hz102.4 dB104.2 dB
Output SPL at 25 Hz107.7 dB110.3 dB
Output SPL at 31.5 Hz113.4 dB110.7 dB
Output SPL at 40 Hz118.3 dB113.6 dB
Output SPL at 50 Hz120.8 dB116.1 dB
Output SPL at 63 Hz121.2 dB117.4 dB
Output SPL at 80 Hz121.1 dB116.6 dB
Output SPL at 100 Hz120.7 dB115.9 dB
Output SPL at 125 Hz120.7 dB115.3 dB
CEA-2010-A Average (40-80Hz)120.3 dB115.9 dB
Dimensions19"H x 18"W x 19.5"D (482.6 x 457.2 x 495.3 mm)18.9"H x 15"W x 20"D (480.1 x 381.0 x 508.0 mm)
Weight65 lbs (29.5 kg)42.5 lbs (19.3 kg)
Warranty7/2(+3)5
Cabinet Colorblack, woodblack
CountryUnited StatesUnited States
Measurement SourceAudioholicsAudioholics
Frequency Response20-200Hz, ±1dB17-260Hz, ±3dB
Amplifier Power600W RMS / 2000W peak325W RMS
Crossover Frequency30-90Hz adjustable-
Phase Control0°-180°-
FeaturesQ control, sealed subwoofer, EQ1/EQ2 modes-
Drivers15" (381mm) driver12" (305mm) driver with ported design
Buy the HSU Research ULS-15 MK2 at HSU Research ($999.00) →Buy the SVS PB-1000 PRO at Amazon ($849.00) →

How HSU Research ULS-15 MK2 compares with other leading options:

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

HSU Research ULS-15 MK2 ranking card

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 Power600W RMS / 2000W peak
CEA-2010-A Average (40-80Hz)120.3 dB
Cabinet Colorblack, wood
CountryUnited States
Crossover Frequency30-90Hz adjustable
Dimensions19"H x 18"W x 19.5"D (482.6 x 457.2 x 495.3 mm)
Drivers15" (381mm) driver
Enclosuresealed
FeaturesQ control, sealed subwoofer, EQ1/EQ2 modes
Frequency Response20-200Hz, ±1dB
Measurement SourceAudioholics
Output SPL at 12.5 Hz93.7 dB
Output SPL at 15 Hz98.0 dB
Output SPL at 20 Hz102.4 dB
Output SPL at 25 Hz107.7 dB
Output SPL at 31.5 Hz113.4 dB
Output SPL at 40 Hz118.3 dB
Output SPL at 50 Hz120.8 dB
Output SPL at 63 Hz121.2 dB
Output SPL at 80 Hz121.1 dB
Output SPL at 100 Hz120.7 dB
Output SPL at 125 Hz120.7 dB
Phase Control0°-180°
Warranty7/2(+3)
Weight65 lbs (29.5 kg)
Check current price at HSU Research ($999.00) →Search eBay for HSU Research ULS-15 MK2 →

SVS PB-1000 PRO: $849.00 Amazon eBay

SVS PB-1000 PRO ranking card

Pros: Ported 12-inch with 325W RMS delivers guttural low extension to 17Hz. Shakes things up like pricier competitors at 1/3 cost. Dual high-grade ferrite magnets with FEA-optimized motor. SVS app control.

Full SVS PB-1000 PRO review and specifications →

Amplifier Power325W RMS
CEA-2010-A Average (40-80Hz)115.9 dB
Cabinet Colorblack
CountryUnited States
Dimensions18.9"H x 15"W x 20"D (480.1 x 381.0 x 508.0 mm)
Drivers12" (305mm) driver with ported design
Enclosureported, front
Frequency Response17-260Hz, ±3dB
Measurement SourceAudioholics
Output SPL at 15 Hz96.0 dB
Output SPL at 20 Hz104.2 dB
Output SPL at 25 Hz110.3 dB
Output SPL at 31.5 Hz110.7 dB
Output SPL at 40 Hz113.6 dB
Output SPL at 50 Hz116.1 dB
Output SPL at 63 Hz117.4 dB
Output SPL at 80 Hz116.6 dB
Output SPL at 100 Hz115.9 dB
Output SPL at 125 Hz115.3 dB
Warranty5
Weight42.5 lbs (19.3 kg)
Check current price at Amazon ($849.00) →Search eBay for SVS PB-1000 PRO →