HSU Research VTF-15H MK2 vs Monoprice Monolith M-215

Last updated: November 8, 2026

Short answer: the Monoprice Monolith M-215. It ranks #24 of 143 subwoofers by sound quality (rated 4.4/5) at $1,499.99 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 Monoprice Monolith M-215

Buy the Monoprice Monolith M-215. It is rated higher for sound quality, and the HSU Research VTF-15H MK2 is discontinued, so it is only available used.

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 VTF-15H MK2 Monoprice Monolith M-215
Price$1,499 Discontinued$1,499.99
Ranked#57 of 143 in Large Home Subwoofers (Over 75 lbs)#24 of 143 in Large Home Subwoofers (Over 75 lbs)
Enclosureported, frontported, front
Output SPL at 15 Hz101.6 dB113.1 dB
Output SPL at 20 Hz108.4 dB118.9 dB
Output SPL at 25 Hz114.8 dB122.6 dB
Output SPL at 31.5 Hz119.4 dB125.2 dB
Output SPL at 40 Hz122.9 dB126.4 dB
Output SPL at 50 Hz122.5 dB126.1 dB
Output SPL at 63 Hz121.1 dB125.6 dB
Output SPL at 80 Hz120.5 dB125.6 dB
CEA-2010-A Average (40-80Hz)121.8 dB125.9 dB
Dimensions24”H x 18”W x 26”D (609.6 x 457.2 x 660.4 mm)42.3”H x 20”W x 27.6”D (1074.4 x 508.0 x 701.0 mm)
Weight110 lbs (49.9 kg)216.1 lbs (98.0 kg)
Warranty7/2(+3)5
Cabinet Colorblack, woodblack
CountryUnited StatesUnited States
Measurement SourceManufacturerBrent Butterworth
Drivers15” (381mm) driver2x 15” (381mm) drivers
Output SPL at 12.5 Hz-103.9 dB
Output SPL at 100 Hz-125.7 dB
Output SPL at 125 Hz-126.3 dB

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