HSU Research VTF-2 MK4 Specifications and Review

The HSU Research VTF-2 MK4 ranks #55 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.

HSU Research VTF-2 MK4 - ranked #55 of 137 Medium Powered Home Subwoofers (30–75 lbs) · Editor's rating 3.7/5

#55 HSU Research VTF-2 MK4: $899

Pros: Plays 50% louder across measurement range than competitors. Tuneful bass, antithesis of one-note. Variable tuning provides flexibility—like having three subs in one. Compact size for tight spaces. Extreme value.

How it compares: Just above it: HSU Research VTF-1 MK2 - $200 cheaper. Just below it: REL Acoustics R-528 - $1100 more.

CEA-2010-A Average (40-80Hz)112.8 dB
CountryUnited States
Dimensions20.5"H x 15.0"W x 22.0"D (520.7 x 381.0 x 558.8 mm)
Driver12" (305mm) driver
Driver(s)(1) 12 inch
Enclosureported, rear
Frequency Response18-90Hz
Measurement SourceManufacturer
Output SPL at 20 Hz101.1 dB
Output SPL at 25 Hz107.0 dB
Output SPL at 31.5 Hz110.2 dB
Output SPL at 40 Hz111.8 dB
Output SPL at 50 Hz113.5 dB
Output SPL at 63 Hz113.3 dB
Output SPL at 80 Hz112.8 dB
Power Output (Watts)250W RMS
Weight63.9 lbs / 29.0 kg

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Product prices and availability were last checked July 31, 2026 at 5:30 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.