HSU Research VTF-3 MK3 vs Funk Audio Classic 18.0

Last updated: September 16, 2026

Short answer: the Funk Audio Classic 18.0 for better sound quality, the HSU Research VTF-3 MK3 for the lower price. The Funk Audio Classic 18.0 ranks #16 of 110 subwoofers at $4893.35. The HSU Research VTF-3 MK3 ranks #97 at $1499, $3394.35 cheaper.

HSU Research VTF-3 MK3 vs Funk Audio Classic 18.0

What the HSU Research VTF-3 MK3 offers: Independent CEA-2010 testing records 104.3 dB at 20 Hz and 113.5 dB through 40-80 Hz. The ported, rear enclosure with 12” (305mm) driver delivers substantial upper-bass output for movie effects and music. Watch for: Deep-bass output is more limited than the strong 40-80 Hz result suggests, so it is not the right choice when the lowest movie effects are the priority. The 546.1H x 431.8W x 635.0D mm cabinet and 40.8 kg mass still require deliberate placement and calibration.

What the Funk Audio Classic 18.0 offers: Independent CEA-2010 testing records 106.5 dB at 20 Hz and 127.3 dB through 40-80 Hz. The sealed enclosure with 18” (457mm) driver delivers formidable upper-bass output for movie effects and music. Watch for: Deep-bass output is more limited than the strong 40-80 Hz result suggests, so it is not the right choice when the lowest movie effects are the priority. The 571.5H x 558.8W x 520.7D mm cabinet and 52.2 kg mass still require deliberate placement and calibration.

Buy the HSU Research VTF-3 MK3 if the price is the priority over sound quality, or the Funk Audio Classic 18.0 if sound quality is the priority over the price.

If sound quality matters at all to you, skip the HSU Research VTF-3 MK3. It ranks near the bottom of the 110 subwoofers, so look higher up the list instead.

Looking for alternatives? See the complete Subwoofers rankings.

Specifications Side By Side

HSU Research VTF-3 MK3 Funk Audio Classic 18.0
Price$1499$4,893.35
Ranked#97 of 110 in Large Home Subwoofers (Over 75 lbs)#16 of 110 in Large Home Subwoofers (Over 75 lbs)
Enclosureported, rearsealed
Output SPL at 15 Hz88.5 dB102.3 dB
Output SPL at 20 Hz104.3 dB106.5 dB
Output SPL at 25 Hz108.7 dB111.7 dB
Output SPL at 31.5 Hz109.7 dB119.0 dB
Output SPL at 40 Hz112.1 dB124.6 dB
Output SPL at 50 Hz113.7 dB126.8 dB
Output SPL at 63 Hz114.0 dB128.4 dB
Output SPL at 80 Hz114.0 dB129.6 dB
CEA-2010-A Average (40-80Hz)113.5 dB127.3 dB
Dimensions21.5"H x 17"W x 25"D (546.1 x 431.8 x 635.0 mm)22.5"H x 22"W x 20.5"D (571.5 x 558.8 x 520.7 mm)
Weight89.9 lbs (40.8 kg)115.1 lbs (52.2 kg)
CountryUnited StatesCanada
Measurement SourceIlkka RissanenData-bass
Drivers12" (305mm) driver18" (457mm) driver
Output SPL at 10 Hz-94.6 dB
Output SPL at 12.5 Hz-98.4 dB
Output SPL at 100 Hz-130.2 dB
Output SPL at 125 Hz-130.8 dB
Warranty-3
Cabinet Color-wood, custom

More top alternatives to Funk Audio Classic 18.0:

Prices on this page were last checked September 16, 2026 at 12:41 AM 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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The Two Speakers In Full

HSU Research VTF-3 MK3: $1499 eBay

HSU Research VTF-3 MK3 ranking card

Pros: Independent CEA-2010 testing records 104.3 dB at 20 Hz and 113.5 dB through 40-80 Hz. The ported, rear enclosure with 12” (305mm) driver delivers substantial upper-bass output for movie effects and music.

Cons: Deep-bass output is more limited than the strong 40-80 Hz result suggests, so it is not the right choice when the lowest movie effects are the priority. The 546.1H x 431.8W x 635.0D mm cabinet and 40.8 kg mass still require deliberate placement and calibration.

Full HSU Research VTF-3 MK3 review and specifications →

CEA-2010-A Average (40-80Hz)113.5 dB
CountryUnited States
Dimensions21.5"H x 17"W x 25"D (546.1 x 431.8 x 635.0 mm)
Drivers12" (305mm) driver
Enclosureported, rear
Measurement SourceIlkka Rissanen
Output SPL at 15 Hz88.5 dB
Output SPL at 20 Hz104.3 dB
Output SPL at 25 Hz108.7 dB
Output SPL at 31.5 Hz109.7 dB
Output SPL at 40 Hz112.1 dB
Output SPL at 50 Hz113.7 dB
Output SPL at 63 Hz114.0 dB
Output SPL at 80 Hz114.0 dB
Weight89.9 lbs (40.8 kg)
Search eBay for HSU Research VTF-3 MK3 →

Funk Audio Classic 18.0: $4,893.35 eBay

Funk Audio Classic 18.0 ranking card

Pros: Independent CEA-2010 testing records 106.5 dB at 20 Hz and 127.3 dB through 40-80 Hz. The sealed enclosure with 18” (457mm) driver delivers formidable upper-bass output for movie effects and music.

Cons: Deep-bass output is more limited than the strong 40-80 Hz result suggests, so it is not the right choice when the lowest movie effects are the priority. The 571.5H x 558.8W x 520.7D mm cabinet and 52.2 kg mass still require deliberate placement and calibration.

Notes: Data-bass labeled this sub as ‘FW18.0’, but original name is 18.0

Full Funk Audio Classic 18.0 review and specifications →

CEA-2010-A Average (40-80Hz)127.3 dB
Cabinet Colorwood, custom
CountryCanada
Dimensions22.5"H x 22"W x 20.5"D (571.5 x 558.8 x 520.7 mm)
Drivers18" (457mm) driver
Enclosuresealed
Measurement SourceData-bass
Output SPL at 10 Hz94.6 dB
Output SPL at 12.5 Hz98.4 dB
Output SPL at 15 Hz102.3 dB
Output SPL at 20 Hz106.5 dB
Output SPL at 25 Hz111.7 dB
Output SPL at 31.5 Hz119.0 dB
Output SPL at 40 Hz124.6 dB
Output SPL at 50 Hz126.8 dB
Output SPL at 63 Hz128.4 dB
Output SPL at 80 Hz129.6 dB
Output SPL at 100 Hz130.2 dB
Output SPL at 125 Hz130.8 dB
Warranty3
Weight115.1 lbs (52.2 kg)
Search eBay for Funk Audio Classic 18.0 →