HSU Research ULS-15 MK2 vs JTR Speakers Captivator 212PRO

Last updated: October 21, 2026

Short answer: the HSU Research ULS-15 MK2 for tight sealed bass, the JTR Captivator 212PRO for output. The ULS-15 MK2’s sealed design delivers tight, accurate bass with low bloat and it costs $1,800 less. The Captivator 212PRO is a dual 12-inch ported design with a 1200W DSP amp and full digital sound processor, but it carries premium pricing, ported room interaction and a 32 kg (70.5 lbs) mid-size footprint.

Check JTR Speakers Captivator 212PRO price at JTR Speakers ($2,799) →Check HSU Research ULS-15 MK2 price at HSU Research ($999.00) →

HSU Research ULS-15 MK2 vs JTR Speakers Captivator 212PRO

Buy the HSU Research ULS-15 MK2 if the price is the priority over sound quality, or the JTR Speakers Captivator 212PRO if sound quality is the priority over the price.

Looking for alternatives? See the complete Subwoofers rankings.

Prices on this page were last checked November 7, 2026 at 7:34 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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Specifications Side By Side

HSU Research ULS-15 MK2 JTR Speakers Captivator 212PRO
Price$999.00$2,799 each
Ranked#4 of 212 in Medium Home Subwoofers (30-75 lbs)#1 of 212 in Medium Home Subwoofers (30-75 lbs)
Enclosuresealedported, front
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 dB95.4 dB
Output SPL at 31.5 Hz113.4 dB112.2 dB
Output SPL at 40 Hz118.3 dB122.7 dB
Output SPL at 50 Hz120.8 dB129.2 dB
Output SPL at 63 Hz121.2 dB131.3 dB
Output SPL at 80 Hz121.1 dB133.2 dB
Output SPL at 100 Hz120.7 dB134.6 dB
Output SPL at 125 Hz120.7 dB135.2 dB
CEA-2010-A Average (40-80Hz)120.3 dB129.1 dB
Dimensions19”H x 18”W x 19.5”D (482.6 x 457.2 x 495.3 mm)16”H x 30”W x 22.5”D (406.4 x 762.0 x 571.5 mm)
Weight65 lbs (29.5 kg)71 lbs (32.2 kg)
Warranty7/2(+3)5/3
Cabinet Colorblack, woodblack
CountryUnited StatesUnited States
Measurement SourceAudioholicsData-bass
Frequency Response20-200Hz, ±1dB-
Amplifier Power600W RMS / 2000W peak1200W RMS; Class D with DSP
Crossover Frequency30-90Hz adjustable-
Phase Control0°-180°-
FeaturesQ control, sealed subwoofer, EQ1/EQ2 modes-
Drivers15” (381mm) driver2x 12” (305mm) drivers
Inputs-XLR and RCA
XLR Input-Yes
RCA Input-Yes
TRS Input-No
Optical Input-No
Coaxial Input-No
USB Input-No
HDMI Input-No
AES Input-No
Aux Input-No
Check JTR Speakers Captivator 212PRO price at JTR Speakers ($2,799) →Check HSU Research ULS-15 MK2 price at HSU Research ($999.00) →

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