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

Last updated: August 9, 2026

Short answer: the HSU Research ULS-15 MK2 for the higher ranking, the SVS PB-1000 PRO for the lower price. The HSU Research ULS-15 MK2 ranks #3 of 137 subwoofers at $1035. The SVS PB-1000 PRO ranks #25 at $849, $186 cheaper.

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 if the ranking matters more than the price. Buy the SVS PB-1000 PRO if the price matters more than the ranking.

Specifications Side By Side

HSU Research ULS-15 MK2 SVS PB-1000 PRO
Price$1,035$849.00
Ranked#3 of 137 in Medium Powered Home Subwoofers (30-75 lbs)#25 of 137 in Medium Powered 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
Dimensions19.0"H x 18.0"W x 19.5"D (482.6 x 457.2 x 495.3 mm)18.9"H x 15.0"W x 20.0"D (480.1 x 381.0 x 508.0 mm)
Weight65 lbs / 29.5 kg42.5 lbs / 19.3 kg
Warranty7/2(+3)5
Cabinet Colorblack, woodblack
CountryUnited StatesUnited States
Measurement SourceAudioholicsAudioholics
Frequency Response20-200Hz, ±1dB17-260Hz, ±3dB
Power Output (Watts)600W RMS / 2000W peakNot specified
Crossover30-90Hz adjustable-
Phase Control0°-180°-
FeaturesQ control, sealed subwoofer, EQ1/EQ2 modes-
Drivers15" (381mm) driver12" (305mm) driver with ported design

The Two Speakers In Full

HSU Research ULS-15 MK2: $1,035

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 at under $850 shipped.

Notes: Price includes shipping

CEA-2010-A Average (40-80Hz)120.3 dB
Cabinet Colorblack, wood
CountryUnited States
Crossover30-90Hz adjustable
Dimensions19.0"H x 18.0"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°
Power Output (Watts)600W RMS / 2000W peak
Warranty7/2(+3)
Weight65 lbs / 29.5 kg

SVS PB-1000 PRO: $849.00 Amazon

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.

CEA-2010-A Average (40-80Hz)115.9 dB
Cabinet Colorblack
CountryUnited States
Dimensions18.9"H x 15.0"W x 20.0"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
Power Output (Watts)Not specified
Warranty5
Weight42.5 lbs / 19.3 kg

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Product prices and availability were last checked August 9, 2026 at 6:57 AM UTC 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.