HSU Research VTF-15H MK2 vs Pro Audio Technology LFC-24sm

Last updated: September 16, 2026

Short answer: the Pro Audio Technology LFC-24sm for better sound quality, the HSU Research VTF-15H MK2 for the lower price. The Pro Audio Technology LFC-24sm ranks #4 of 110 subwoofers at $10000. The HSU Research VTF-15H MK2 ranks #50 at $1499, $8501 cheaper.

HSU Research VTF-15H MK2 vs Pro Audio Technology LFC-24sm

What the HSU Research VTF-15H MK2 offers: 15-inch ported driver delivers 121.8dB CEA-2010-A average from HSU Research’s long-running VTF series. Watch for: Ported enclosure prone to room modes at certain frequencies, mid-large 50 kg size, and $1,500 price point.

What the Pro Audio Technology LFC-24sm offers: Independent CEA-2010 testing records 123.7 dB at 20 Hz and 135.5 dB (avg of 3/4 bands) through 40-80 Hz. The ported, front enclosure with 24” (610mm) driver is best suited to demanding film bass in a large room. Watch for: The 660.4H x 1536.7W x 533.4D mm cabinet and 120.7 kg mass still need deliberate placement and calibration.

Buy the HSU Research VTF-15H MK2 if the price is the priority over sound quality, or the Pro Audio Technology LFC-24sm if sound quality is the priority over the price.

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

Specifications Side By Side

HSU Research VTF-15H MK2 Pro Audio Technology LFC-24sm
Price$1,499$10,000 Passive
Ranked#50 of 110 in Large Home Subwoofers (Over 75 lbs)#4 of 110 in Large Home Subwoofers (Over 75 lbs)
Enclosureported, frontported, front
Output SPL at 15 Hz101.6 dB-
Output SPL at 20 Hz108.4 dB123.7 dB
Output SPL at 25 Hz114.8 dB131.4 dB
Output SPL at 31.5 Hz119.4 dB133.6 dB
Output SPL at 40 Hz122.9 dB135.4 dB
Output SPL at 50 Hz122.5 dB136.0 dB
Output SPL at 63 Hz121.1 dB135.2 dB
Output SPL at 80 Hz120.5 dB-
CEA-2010-A Average (40-80Hz)121.8 dB135.5 dB (avg of 3/4 bands)
Dimensions24"H x 18"W x 26"D (609.6 x 457.2 x 660.4 mm)26"H x 60.5"W x 21"D (660.4 x 1536.7 x 533.4 mm)
Weight110 lbs (49.9 kg)266.1 lbs (120.7 kg)
Warranty7/2(+3)-
Cabinet Colorblack, woodblack
CountryUnited StatesUnited States
Measurement SourceManufacturerBrent Butterworth
Drivers15" (381mm) driver24" (610mm) driver
Passive-Yes

More worthwhile head-to-heads for Pro Audio Technology LFC-24sm:

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The Two Speakers In Full

HSU Research VTF-15H MK2: $1,499 eBay

HSU Research VTF-15H MK2 ranking card

Pros: 15-inch ported driver delivers 121.8dB CEA-2010-A average from HSU Research’s long-running VTF series.

Cons: Ported enclosure prone to room modes at certain frequencies, mid-large 50 kg size, and $1,500 price point.

Notes: Price includes shipping

Full HSU Research VTF-15H MK2 review and specifications →

CEA-2010-A Average (40-80Hz)121.8 dB
Cabinet Colorblack, wood
CountryUnited States
Dimensions24"H x 18"W x 26"D (609.6 x 457.2 x 660.4 mm)
Drivers15" (381mm) driver
Enclosureported, front
Measurement SourceManufacturer
Output SPL at 15 Hz101.6 dB
Output SPL at 20 Hz108.4 dB
Output SPL at 25 Hz114.8 dB
Output SPL at 31.5 Hz119.4 dB
Output SPL at 40 Hz122.9 dB
Output SPL at 50 Hz122.5 dB
Output SPL at 63 Hz121.1 dB
Output SPL at 80 Hz120.5 dB
Warranty7/2(+3)
Weight110 lbs (49.9 kg)
Search eBay for HSU Research VTF-15H MK2 →

Pro Audio Technology LFC-24sm: $10,000 Passive eBay

Pro Audio Technology LFC-24sm ranking card

Pros: Independent CEA-2010 testing records 123.7 dB at 20 Hz and 135.5 dB (avg of 3/4 bands) through 40-80 Hz. The ported, front enclosure with 24” (610mm) driver is best suited to demanding film bass in a large room.

Cons: The 660.4H x 1536.7W x 533.4D mm cabinet and 120.7 kg mass still need deliberate placement and calibration.

Full Pro Audio Technology LFC-24sm review and specifications →

CEA-2010-A Average (40-80Hz)135.5 dB (avg of 3/4 bands)
Cabinet Colorblack
CountryUnited States
Dimensions26"H x 60.5"W x 21"D (660.4 x 1536.7 x 533.4 mm)
Drivers24" (610mm) driver
Enclosureported, front
Measurement SourceBrent Butterworth
Output SPL at 20 Hz123.7 dB
Output SPL at 25 Hz131.4 dB
Output SPL at 31.5 Hz133.6 dB
Output SPL at 40 Hz135.4 dB
Output SPL at 50 Hz136.0 dB
Output SPL at 63 Hz135.2 dB
PassiveYes
Weight266.1 lbs (120.7 kg)
Search eBay for Pro Audio Technology LFC-24sm →