HSU Research VTF-15H MK2 vs JTR Speakers Captivator 4000ULF

Last updated: October 21, 2026

Short answer: the JTR Speakers Captivator 4000ULF. It ranks #6 of 143 subwoofers by sound quality (rated 4.5/5) at $5,699 and is still sold new; the HSU Research VTF-15H MK2 ranks #57 (rated 4.2/5) and is discontinued, so it is only an option used. The HSU Research VTF-15H MK2’s replacement, the HSU Research VTF-TN1, is rated 3.9/5 at $1,249.

HSU Research VTF-15H MK2 vs JTR Speakers Captivator 4000ULF

Buy the JTR Speakers Captivator 4000ULF. It is rated higher for sound quality; the HSU Research VTF-15H MK2 is no longer sold new.

Still deciding? The full Subwoofers rankings cover every ranked option.

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 VTF-15H MK2 JTR Speakers Captivator 4000ULF
Price$1,499 Discontinued$5,699 each
Ranked#57 of 143 in Large Home Subwoofers (Over 75 lbs)#6 of 143 in Large Home Subwoofers (Over 75 lbs)
Enclosureported, frontported, front
Output SPL at 15 Hz101.6 dB119.3 dB
Output SPL at 20 Hz108.4 dB122.3 dB
Output SPL at 25 Hz114.8 dB126.1 dB
Output SPL at 31.5 Hz119.4 dB129.3 dB
Output SPL at 40 Hz122.9 dB130.7 dB
Output SPL at 50 Hz122.5 dB131.2 dB
Output SPL at 63 Hz121.1 dB130.9 dB
Output SPL at 80 Hz120.5 dB130.6 dB
CEA-2010-A Average (40-80Hz)121.8 dB130.8 dB
Dimensions24”H x 18”W x 26”D (609.6 x 457.2 x 660.4 mm)41”H x 20.5”W x 39.5”D (1041.4 x 520.7 x 1003.3 mm)
Weight110 lbs (49.9 kg)265 lbs (120.2 kg)
Warranty7/2(+3)5/3
Cabinet Colorblack, woodblack, custom
CountryUnited StatesUnited States
Measurement SourceManufacturerData-bass
Drivers15” (381mm) driver2x 18” (457mm) driver
Output SPL at 10 Hz-111.0 dB
Output SPL at 12.5 Hz-115.3 dB
Output SPL at 100 Hz-130.5 dB
Output SPL at 125 Hz-129.5 dB
Inputs-XLR, 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

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