Short answer: the JTR Speakers Captivator 215PRO, if you are buying new. The Power Sound Audio (PSA) T18 measures as well as it (#8 vs #7 of 143 subwoofers, 4.5/5 vs 4.5/5) but is discontinued, so only consider it used; the JTR Speakers Captivator 215PRO is still sold new at $3,500.
Buy the JTR Speakers Captivator 215PRO if you want one new; the Power Sound Audio (PSA) T18 is discontinued, so only look for it used.
Looking for alternatives? See the complete Subwoofers rankings.
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 215PRO | Power Sound Audio (PSA) T18 | |
|---|---|---|
| Price | $3,500 | $4,995 Discontinued |
| Ranked | #7 of 143 in Large Home Subwoofers (Over 75 lbs) | #8 of 143 in Large Home Subwoofers (Over 75 lbs) |
| Enclosure | ported, front | sealed |
| Output SPL at 15 Hz | 103.6 dB | - |
| Output SPL at 20 Hz | 106.6 dB | 115.7 dB |
| Output SPL at 25 Hz | 122.1 dB | 115.7 dB |
| Output SPL at 31.5 Hz | 126.8 dB | 115.7 dB |
| Output SPL at 40 Hz | 129.3 dB | 129.7 dB |
| Output SPL at 50 Hz | 131.2 dB | 129.7 dB |
| Output SPL at 63 Hz | 131.3 dB | 129.7 dB |
| Output SPL at 80 Hz | 130.9 dB | - |
| Output SPL at 100 Hz | 130.7 dB | - |
| Output SPL at 125 Hz | 131.1 dB | - |
| CEA-2010-A Average (40-80Hz) | 130.7 dB | 129.7 dB (avg of 3/4 bands) |
| Dimensions | 40”H x 18”W x 30”D (1016.0 x 457.2 x 762.0 mm) | 23.5”H x 31”W x 27.5”D (596.9 x 787.4 x 698.5 mm) |
| Weight | 149 lbs (67.6 kg) | 170 lbs (77.1 kg) |
| Warranty | 5 | 5 |
| Cabinet Color | black | - |
| Country | United States | United States |
| Measurement Source | Audioholics | Manufacturer |
| Drivers | 2x 15” (381mm) drivers | 18” (457mm) driver |
| Inputs | XLR, RCA | XLR (balanced, with loop output), RCA |
| 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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