HSU Research ULS-15 MK2 Specifications and Review

Last updated: August 9, 2026

The HSU Research ULS-15 MK2 ranks #3 out of 137 total Medium Powered Home Subwoofers (30-75 lbs) for sound quality. See Top Recommended Speakers By Attribute for all the top speaker suggestions.

Brand: HSU Research

HSU Research ULS-15 MK2 - ranked #3 of 137 Medium Powered Home Subwoofers (30-75 lbs) · Editor's rating 4.2/5

#3 HSU Research ULS-15 MK2: $1,035

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

How it compares: Just above it: MartinLogan Dynamo 1600X - $572 more. Just below it: Power Sound Audio (PSA) XV15 - $960 more.

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