Short answer: the JTR Speakers Captivator 4000ULF. It ranks #6 of 143 subwoofers by sound quality (rated 4.5/5) at $5,699 and is still sold new; the SVS PB-4000 ranks #69 (rated 4.2/5) and is discontinued, so it is only an option used. The SVS PB-4000’s replacement, the SVS PB-5000 R-Evolution, is rated 4.2/5 at $2,399.
Buy the JTR Speakers Captivator 4000ULF. It is rated higher for sound quality, and the SVS PB-4000 is discontinued, so it is only available used.
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
| JTR Speakers Captivator 4000ULF | SVS PB-4000 | |
|---|---|---|
| Price | $5,699 each | $2,158.97 Discontinued |
| Ranked | #6 of 143 in Large Home Subwoofers (Over 75 lbs) | #69 of 143 in Large Home Subwoofers (Over 75 lbs) |
| Enclosure | ported, front | ported, front |
| Output SPL at 10 Hz | 111.0 dB | - |
| Output SPL at 12.5 Hz | 115.3 dB | - |
| Output SPL at 15 Hz | 119.3 dB | 102.1 dB |
| Output SPL at 20 Hz | 122.3 dB | 115.3 dB |
| Output SPL at 25 Hz | 126.1 dB | 116.3 dB |
| Output SPL at 31.5 Hz | 129.3 dB | 117.8 dB |
| Output SPL at 40 Hz | 130.7 dB | 119.8 dB |
| Output SPL at 50 Hz | 131.2 dB | 121.7 dB |
| Output SPL at 63 Hz | 130.9 dB | 120.7 dB |
| Output SPL at 80 Hz | 130.6 dB | 119.2 dB |
| Output SPL at 100 Hz | 130.5 dB | 118.1 dB |
| Output SPL at 125 Hz | 129.5 dB | 117.5 dB |
| CEA-2010-A Average (40-80Hz) | 130.8 dB | 120.3 dB |
| Dimensions | 41”H x 20.5”W x 39.5”D (1041.4 x 520.7 x 1003.3 mm) | 23.4”H x 20.5”W x 27.7”D (594.4 x 520.7 x 703.6 mm) |
| Weight | 265 lbs (120.2 kg) | 153.2 lbs (69.5 kg) |
| Warranty | 5/3 | 5 |
| Cabinet Color | black, custom | black |
| Country | United States | United States |
| Measurement Source | Data-bass | Audioholics |
| Drivers | 2x 18” (457mm) driver | 13.5” (343mm) driver with ported design |
| Inputs | XLR, RCA | XLR (balanced), RCA (LFE/stereo) |
| XLR Input | Yes | Yes |
| RCA Input | Yes | Yes |
| TRS Input | No | No |
| Optical Input | No | No |
| Coaxial Input | No | No |
| USB Input | No | No |
| HDMI Input | No | No |
| AES Input | No | No |
| Aux Input | No | No |
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