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 $2,127 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 $1,049.
Buy the HSU Research VTF-3 MK5 HP. Both are rated the same for sound quality, and it costs $1,078 less than the Rythmik FV15HP.
Still deciding? The full Subwoofers rankings cover every ranked option.
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-3 MK5 HP | Rythmik FV15HP | |
|---|---|---|
| Price | $1,049.00 | $2,127 |
| Ranked | #59 of 143 in Large Home Subwoofers (Over 75 lbs) | #55 of 143 in Large Home Subwoofers (Over 75 lbs) |
| Enclosure | ported, front | ported, front |
| Output SPL at 15 Hz | 100.8 dB | 105.1 dB |
| Output SPL at 20 Hz | 108.2 dB | 111.1 dB |
| Output SPL at 25 Hz | 113.4 dB | 116.1 dB |
| Output SPL at 31.5 Hz | 118.2 dB | 120.0 dB |
| Output SPL at 40 Hz | 121.9 dB | 122.5 dB |
| Output SPL at 50 Hz | 122.3 dB | 122.1 dB |
| Output SPL at 63 Hz | 121.1 dB | 121.8 dB |
| Output SPL at 80 Hz | 120.4 dB | 121.4 dB |
| CEA-2010-A Average (40-80Hz) | 121.4 dB | 122.0 dB |
| Dimensions | 25”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) |
| Weight | 85.1 lbs (38.6 kg) | 115.1 lbs (52.2 kg) |
| Warranty | 7/2(+3) | 5/3 |
| Cabinet Color | black | black, white |
| Country | United States | United States |
| Measurement Source | Manufacturer | Audioholics |
| Drivers | 15” (381mm) driver | 15” (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 |
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