Short answer: the JTR Speakers Orbit Shifter PRO if output is the goal, the HSU Research VTF-15H MK2 if it is not. The JTR’s dual 18-inch horn-loaded drivers deliver a class-leading 141.3dB CEA-2010-A average, well beyond any other subwoofer tested, but it weighs 84 kg (185.2 lbs), requires dedicated placement and an amplifier, and costs $4,499. The HSU’s 15-inch ported driver reaches 121.8dB in a 50 kg (110.2 lbs) cabinet. The HSU Research VTF-15H MK2 is discontinued; its replacement is the HSU Research VTF-TN1.
Buy the JTR Speakers Orbit Shifter PRO. It is rated higher for sound quality, and the HSU Research VTF-15H MK2 is discontinued, so it is only available used.
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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-15H MK2 | JTR Speakers Orbit Shifter PRO | |
|---|---|---|
| Price | $1,499 Discontinued | $4,499 each |
| Ranked | #57 of 143 in Large Home Subwoofers (Over 75 lbs) | #1 of 143 in Large Home Subwoofers (Over 75 lbs) |
| Enclosure | ported, front | horn |
| Output SPL at 15 Hz | 101.6 dB | 95.7 dB |
| Output SPL at 20 Hz | 108.4 dB | 101.9 dB |
| Output SPL at 25 Hz | 114.8 dB | 114.9 dB |
| Output SPL at 31.5 Hz | 119.4 dB | 128.2 dB |
| Output SPL at 40 Hz | 122.9 dB | 136.0 dB |
| Output SPL at 50 Hz | 122.5 dB | 141.0 dB |
| Output SPL at 63 Hz | 121.1 dB | 144.0 dB |
| Output SPL at 80 Hz | 120.5 dB | 144.2 dB |
| CEA-2010-A Average (40-80Hz) | 121.8 dB | 141.3 dB |
| Dimensions | 24”H x 18”W x 26”D (609.6 x 457.2 x 660.4 mm) | 45”H x 22.5”W x 32”D (1143.0 x 571.5 x 812.8 mm) |
| Weight | 110 lbs (49.9 kg) | 185 lbs (83.9 kg) |
| Warranty | 7/2(+3) | 5 |
| Cabinet Color | black, wood | black |
| Country | United States | United States |
| Measurement Source | Manufacturer | Data-bass |
| Drivers | 15” (381mm) driver | 18” (457mm) driver |
| Output SPL at 100 Hz | - | 143.4 dB |
| Output SPL at 125 Hz | - | 140.1 dB |
| Inputs | - | XLR, RCA |
| 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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