HSU Research VTF-3 MK5 HP vs Rythmik FV15HP

Last updated: September 19, 2026

Short answer: the Rythmik FV15HP narrowly, with the HSU Research VTF-3 MK5 HP the value pick. The FV15HP’s 15-inch ported driver reaches a 122.0dB CEA-2010-A average, matching subwoofers that cost significantly more, but it is priced at $2127 and depends on room gain in a 52 kg (114.6 lbs) cabinet. The HSU’s 121.4dB comes with one of the best price-to-output ratios in its class at $1049.

HSU Research VTF-3 MK5 HP vs Rythmik FV15HP

The case for the HSU Research VTF-3 MK5 HP: Ported cabinet delivers 121.4dB CEA-2010-A average, one of the best price-to-output ratios in this weight class. The catch: Ported design requires careful room placement, mid-size 39 kg (86 lbs) cabinet, and mid-range output.

What the Rythmik FV15HP gets right: 15-inch ported driver reaches 122.0dB CEA-2010-A average, matching the output of subwoofers costing significantly more. The catch: Premium price ($1,770), ported design room gain dependency, and mid-to-large 52 kg (114.6 lbs) footprint.

Buy the HSU Research VTF-3 MK5 HP. Both are rated the same for sound quality, and it costs $1078 less than the Rythmik FV15HP.

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

Buy the HSU Research VTF-3 MK5 HP at HSU Research ($1,049.00) →Buy the Rythmik FV15HP at Rythmik Audio ($2,127) →

Specifications Side By Side

HSU Research VTF-3 MK5 HP Rythmik FV15HP
Price$1,099$1,770
Ranked#52 of 110 in Large Home Subwoofers (Over 75 lbs)#48 of 110 in Large Home Subwoofers (Over 75 lbs)
Enclosureported, frontported, front
Output SPL at 15 Hz100.8 dB105.1 dB
Output SPL at 20 Hz108.2 dB111.1 dB
Output SPL at 25 Hz113.4 dB116.1 dB
Output SPL at 31.5 Hz118.2 dB120.0 dB
Output SPL at 40 Hz121.9 dB122.5 dB
Output SPL at 50 Hz122.3 dB122.1 dB
Output SPL at 63 Hz121.1 dB121.8 dB
Output SPL at 80 Hz120.4 dB121.4 dB
CEA-2010-A Average (40-80Hz)121.4 dB122.0 dB
Dimensions25"H x 17.2"W x 24"D (635.0 x 438.1 x 609.6 mm)24.5"H x 18.2"W x 24.2"D (622.3 x 463.5 x 615.9 mm)
Weight85.1 lbs (38.6 kg)115.1 lbs (52.2 kg)
Warranty7/2(+3)5/3
Cabinet Colorblackblack, white
CountryUnited StatesUnited States
Measurement SourceManufacturerAudioholics
Drivers15" (381mm) driver15" (381mm) driver
Output SPL at 12.5 Hz-92.8 dB
Output SPL at 100 Hz-121.2 dB
Output SPL at 125 Hz-121.1 dB
Inputs-XLR (2), RCA (line/LFE)
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
Buy the HSU Research VTF-3 MK5 HP at HSU Research ($1,049.00) →Buy the Rythmik FV15HP at Rythmik Audio ($2,127) →

How Rythmik FV15HP compares with other leading options:

Prices on this page were last checked September 23, 2026 at 11:24 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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The Two Speakers In Full

HSU Research VTF-3 MK5 HP: $1,099 HSU Research eBay

HSU Research VTF-3 MK5 HP ranking card

Pros: Ported cabinet delivers 121.4dB CEA-2010-A average, one of the best price-to-output ratios in this weight class.

Cons: Ported design requires careful room placement, mid-size 39 kg cabinet, and mid-range output.

Notes: Price includes shipping

Full HSU Research VTF-3 MK5 HP review and specifications →

CEA-2010-A Average (40-80Hz)121.4 dB
Cabinet Colorblack
CountryUnited States
Dimensions25"H x 17.2"W x 24"D (635.0 x 438.1 x 609.6 mm)
Drivers15" (381mm) driver
Enclosureported, front
Measurement SourceManufacturer
Output SPL at 15 Hz100.8 dB
Output SPL at 20 Hz108.2 dB
Output SPL at 25 Hz113.4 dB
Output SPL at 31.5 Hz118.2 dB
Output SPL at 40 Hz121.9 dB
Output SPL at 50 Hz122.3 dB
Output SPL at 63 Hz121.1 dB
Output SPL at 80 Hz120.4 dB
Warranty7/2(+3)
Weight85.1 lbs (38.6 kg)
Check current price at HSU Research ($1,049.00) →Search eBay for HSU Research VTF-3 MK5 HP →

Rythmik FV15HP: $1,770 Rythmik Audio eBay

Rythmik FV15HP ranking card

Pros: 15-inch ported driver reaches 122.0dB CEA-2010-A average, matching the output of subwoofers costing significantly more.

Cons: Premium price ($2127), ported design room gain dependency, and mid-to-large 52 kg footprint.

Full Rythmik FV15HP review and specifications →

AES InputNo
Aux InputNo
CEA-2010-A Average (40-80Hz)122.0 dB
Cabinet Colorblack, white
Coaxial InputNo
CountryUnited States
Dimensions24.5"H x 18.2"W x 24.2"D (622.3 x 463.5 x 615.9 mm)
Drivers15" (381mm) driver
Enclosureported, front
HDMI InputNo
InputsXLR (2), RCA (line/LFE)
Measurement SourceAudioholics
Optical InputNo
Output SPL at 12.5 Hz92.8 dB
Output SPL at 15 Hz105.1 dB
Output SPL at 20 Hz111.1 dB
Output SPL at 25 Hz116.1 dB
Output SPL at 31.5 Hz120.0 dB
Output SPL at 40 Hz122.5 dB
Output SPL at 50 Hz122.1 dB
Output SPL at 63 Hz121.8 dB
Output SPL at 80 Hz121.4 dB
Output SPL at 100 Hz121.2 dB
Output SPL at 125 Hz121.1 dB
RCA InputYes
TRS InputNo
USB InputNo
Warranty5/3
Weight115.1 lbs (52.2 kg)
XLR InputYes
Check current price at Rythmik Audio ($2,127) →Search eBay for Rythmik FV15HP →