Short answer: the JTR Speakers Captivator 4000ULF for the higher ranking, the JTR Speakers Captivator 215PRO for the lower price. The JTR Speakers Captivator 4000ULF ranks #4 of 97 subwoofers at $5000. The JTR Speakers Captivator 215PRO ranks #5 at $3500, $1500 cheaper.
Buy the JTR Speakers Captivator 215PRO if the price matters more than the ranking. Buy the JTR Speakers Captivator 4000ULF if the ranking matters more than the price.
Specifications Side By Side
| JTR Speakers Captivator 215PRO | JTR Speakers Captivator 4000ULF | |
|---|---|---|
| Price | $3,500 | $5,000 |
| Ranked | #5 of 97 in Large Powered Home Subwoofers (Over 75 lbs) | #4 of 97 in Large Powered Home Subwoofers (Over 75 lbs) |
| Enclosure | ported, front | ported, front |
| Output SPL at 15 Hz | 103.6 dB | 119.3 dB |
| Output SPL at 20 Hz | 106.6 dB | 122.3 dB |
| Output SPL at 25 Hz | 122.1 dB | 126.1 dB |
| Output SPL at 31.5 Hz | 126.8 dB | 129.3 dB |
| Output SPL at 40 Hz | 129.3 dB | 130.7 dB |
| Output SPL at 50 Hz | 131.2 dB | 131.2 dB |
| Output SPL at 63 Hz | 131.3 dB | 130.9 dB |
| Output SPL at 80 Hz | 130.9 dB | 130.6 dB |
| Output SPL at 100 Hz | 130.7 dB | 130.5 dB |
| Output SPL at 125 Hz | 131.1 dB | 129.5 dB |
| CEA-2010-A Average (40-80Hz) | 130.7 dB | 130.8 dB |
| Dimensions | 40.0"H x 18.0"W x 30.0"D (1016.0 x 457.2 x 762.0 mm) | 41.0"H x 20.5"W x 39.5"D (1041.4 x 520.7 x 1003.3 mm) |
| Weight | 149 lbs / 67.6 kg | 265 lbs / 120.2 kg |
| Warranty | 5 | 5/3 |
| Cabinet Color | black | black, custom |
| Country | United States | United States |
| Measurement Source | Audioholics | Data-bass |
| Drivers | 2x 15" (381mm) drivers | 2x 18" (457mm) driver |
| Output SPL at 10 Hz | - | 111.0 dB |
| Output SPL at 12.5 Hz | - | 115.3 dB |
The Two Speakers In Full
JTR Speakers Captivator 215PRO: $3,500
Notes: Looks like “PA sub”
| CEA-2010-A Average (40-80Hz) | 130.7 dB |
|---|---|
| Cabinet Color | black |
| Country | United States |
| Dimensions | 40.0"H x 18.0"W x 30.0"D (1016.0 x 457.2 x 762.0 mm) |
| Drivers | 2x 15" (381mm) drivers |
| Enclosure | ported, front |
| Measurement Source | Audioholics |
| Output SPL at 15 Hz | 103.6 dB |
| Output SPL at 20 Hz | 106.6 dB |
| Output SPL at 25 Hz | 122.1 dB |
| Output SPL at 31.5 Hz | 126.8 dB |
| Output SPL at 40 Hz | 129.3 dB |
| Output SPL at 50 Hz | 131.2 dB |
| Output SPL at 63 Hz | 131.3 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 |
| Warranty | 5 |
| Weight | 149 lbs / 67.6 kg |
- Head-to-Head Comparisons
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JTR Speakers Captivator 4000ULF: $5,000
| CEA-2010-A Average (40-80Hz) | 130.8 dB |
|---|---|
| Cabinet Color | black, custom |
| Country | United States |
| Dimensions | 41.0"H x 20.5"W x 39.5"D (1041.4 x 520.7 x 1003.3 mm) |
| Drivers | 2x 18" (457mm) driver |
| Enclosure | ported, front |
| Measurement Source | Data-bass |
| 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 |
| Output SPL at 20 Hz | 122.3 dB |
| Output SPL at 25 Hz | 126.1 dB |
| Output SPL at 31.5 Hz | 129.3 dB |
| Output SPL at 40 Hz | 130.7 dB |
| Output SPL at 50 Hz | 131.2 dB |
| Output SPL at 63 Hz | 130.9 dB |
| Output SPL at 80 Hz | 130.6 dB |
| Output SPL at 100 Hz | 130.5 dB |
| Output SPL at 125 Hz | 129.5 dB |
| Warranty | 5/3 |
| Weight | 265 lbs / 120.2 kg |
- Head-to-Head Comparisons
- Links
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Product prices and availability were last checked August 9, 2026 at 6:57 AM UTC 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.

