Short answer: the HSU Research VTF-15H MK2 for a measured 121.8dB, the XTZ Sound 99 W12S for its amplifier. The HSU’s 15-inch ported driver delivers a 121.8dB CEA-2010-A average, but it is prone to room modes, weighs 50 kg (110.2 lbs), and costs $1,499. The XTZ pairs a 12-inch ported cabinet with Bang & Olufsen ICEpower half-kilowatt amplification.
Buy the HSU Research VTF-TN1, the replacement for the discontinued HSU Research VTF-15H MK2; it is rated higher for sound quality than the XTZ Sound 99 W12S.
Still deciding? The full Subwoofers rankings cover every ranked option.
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Specifications Side By Side
| HSU Research VTF-15H MK2 | XTZ Sound 99 W12S | |
|---|---|---|
| Price | $1,499 Discontinued | $1,499 |
| Ranked | #57 of 143 in Large Home Subwoofers (Over 75 lbs) | #61 of 212 in Medium Home Subwoofers (30-75 lbs) |
| Enclosure | ported, front | ported, rear |
| Output SPL at 15 Hz | 101.6 dB | - |
| Output SPL at 20 Hz | 108.4 dB | 74.0 dB |
| Output SPL at 25 Hz | 114.8 dB | 86.5 dB |
| Output SPL at 31.5 Hz | 119.4 dB | 97.7 dB |
| Output SPL at 40 Hz | 122.9 dB | 108.3 dB |
| Output SPL at 50 Hz | 122.5 dB | 114.9 dB |
| Output SPL at 63 Hz | 121.1 dB | 117.3 dB |
| Output SPL at 80 Hz | 120.5 dB | 117.4 dB |
| CEA-2010-A Average (40-80Hz) | 121.8 dB | 114.5 dB |
| Dimensions | 24”H x 18”W x 26”D (609.6 x 457.2 x 660.4 mm) | 19.6”H x 13.8”W x 15.7”D (499.1 x 349.8 x 400.0 mm) |
| Weight | 110 lbs (49.9 kg) | 67.2 lbs (30.5 kg) |
| Warranty | 7/2(+3) | - |
| Cabinet Color | black, wood | - |
| Country | United States | Sweden |
| Measurement Source | Manufacturer | Ilkka Rissanen |
| Drivers | 15” (381mm) driver | 12” (305mm) driver |
| Frequency Response | - | Not fully specified |
| Amplifier Power | - | Not fully specified |
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