Short answer: both are discontinued, and they are rated the same for sound quality (#46 and #45 of 143 subwoofers). Either one is only an option used, so choose on condition and price. If you want one new, the Power Sound Audio EV1813M ranks #37 at $1,799.
The case for the JTR Speakers Captivator 118HT: An 18 inch ported subwoofer with strong deep bass for home theater and both balanced and RCA inputs. The catch: The 762.0H x 508.0W x 571.5D mm cabinet and 129 lbs (58.5 kg) mass make this a serious placement and moving commitment.
The case for the Paradigm Defiance X15: A 15 inch ported subwoofer with strong, deep bass for movies in a large room, a solid value pick used. Watch for: The 625.3H x 588.8W x 625.3D mm cabinet and 91.9 lbs (41.7 kg) mass make this a serious placement and moving commitment.
Buy the JTR Speakers Captivator 118HT or the Paradigm Defiance X15, whichever you find used in better condition; both are discontinued. For a new speaker, start with the Power Sound Audio EV1813M instead.
Looking for alternatives? See the complete Subwoofers rankings.
An 18 inch ported subwoofer with strong deep bass for home theater and both balanced and RCA inputs.
A 15 inch ported subwoofer with strong, deep bass for movies in a large room, a solid value pick used.
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Specifications Side By Side
| JTR Speakers Captivator 118HT | Paradigm Defiance X15 | |
|---|---|---|
| Price | $1,995 Discontinued | $1,499 Discontinued |
| Ranked | #46 of 143 in Large Home Subwoofers (Over 75 lbs) | #45 of 143 in Large Home Subwoofers (Over 75 lbs) |
| Enclosure | ported, front | ported, bottom |
| Output SPL at 15 Hz | 108.7 dB | 102.8 dB |
| Output SPL at 20 Hz | 112.6 dB | 109.2 dB |
| Output SPL at 25 Hz | 114.8 dB | 112.2 dB |
| Output SPL at 31.5 Hz | 116.6 dB | 116.2 dB |
| Output SPL at 40 Hz | 119.3 dB | 121.3 dB |
| Output SPL at 50 Hz | 122.3 dB | 123.4 dB |
| Output SPL at 63 Hz | 124.6 dB | 123.8 dB |
| Output SPL at 80 Hz | 125.2 dB | 123.1 dB |
| Output SPL at 100 Hz | 125.1 dB | 121.9 dB |
| Output SPL at 125 Hz | 125.4 dB | 121.2 dB |
| CEA-2010-A Average (40-80Hz) | 122.8 dB | 122.9 dB |
| Dimensions | 30”H x 20”W x 22.5”D (762.0 x 508.0 x 571.5 mm) | 24.6”H x 23.2”W x 24.6”D (625.3 x 588.8 x 625.3 mm) |
| Weight | 129 lbs (58.5 kg) | 91.9 lbs (41.7 kg) |
| Warranty | 5/3 | 3 |
| Country | United States | Canada |
| Measurement Source | Data-bass | Audioholics |
| Drivers | 18” (457mm) driver | 15” (381mm) driver |
| 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 | - |
| Cabinet Color | - | black |
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