Short answer: the Power Sound Audio (PSA) TRIAX for the higher ranking, the JTR Speakers Captivator S2 for the lower price. The Power Sound Audio (PSA) TRIAX ranks #3 of 97 subwoofers at $7995. The JTR Speakers Captivator S2 ranks #7 at $3995, $4000 cheaper.
Buy the JTR Speakers Captivator S2 if the price matters more than the ranking. Buy the Power Sound Audio (PSA) TRIAX if the ranking matters more than the price.
Specifications Side By Side
| JTR Speakers Captivator S2 | Power Sound Audio (PSA) TRIAX | |
|---|---|---|
| Price | $3995 | $7995 |
| Ranked | #7 of 97 in Large Powered Home Subwoofers (Over 75 lbs) | #3 of 97 in Large Powered Home Subwoofers (Over 75 lbs) |
| Enclosure | sealed | sealed |
| Output SPL at 10 Hz | 100.3 dB | - |
| Output SPL at 12.5 Hz | 103.3 dB | - |
| Output SPL at 15 Hz | 108.7 dB | - |
| Output SPL at 20 Hz | 115.1 dB | 119.8 dB |
| Output SPL at 25 Hz | 119.7 dB | 119.8 dB |
| Output SPL at 31.5 Hz | 124.8 dB | 119.8 dB |
| Output SPL at 40 Hz | 129.3 dB | 130.9 dB |
| Output SPL at 50 Hz | 130.3 dB | 130.9 dB |
| Output SPL at 63 Hz | 129.4 dB | 130.9 dB |
| Output SPL at 80 Hz | 128.5 dB | - |
| Output SPL at 100 Hz | 128.1 dB | - |
| Output SPL at 125 Hz | 128.0 dB | - |
| CEA-2010-A Average (40-80Hz) | 129.4 dB | 130.9 dB (avg of 3/4 bands) |
| Dimensions | 40.0"H x 21.0"W x 18.0"D (1016.0 x 533.4 x 457.2 mm) | 23.5"H x 31.0"W x 27.5"D (596.9 x 787.4 x 698.5 mm) |
| Weight | 220 lbs / 99.8 kg | 229.9 lbs / 104.3 kg |
| Warranty | 5/3 | 5 |
| Country | United States | United States |
| Measurement Source | Data-bass | Manufacturer |
| Drivers | 2x 18" (457mm) drivers | 3x 15" (381mm) driver |
The Two Speakers In Full
JTR Speakers Captivator S2: $3995
Notes: Replaced by “RS2”
| CEA-2010-A Average (40-80Hz) | 129.4 dB |
|---|---|
| Country | United States |
| Dimensions | 40.0"H x 21.0"W x 18.0"D (1016.0 x 533.4 x 457.2 mm) |
| Drivers | 2x 18" (457mm) drivers |
| Enclosure | sealed |
| Measurement Source | Data-bass |
| Output SPL at 10 Hz | 100.3 dB |
| Output SPL at 12.5 Hz | 103.3 dB |
| Output SPL at 15 Hz | 108.7 dB |
| Output SPL at 20 Hz | 115.1 dB |
| Output SPL at 25 Hz | 119.7 dB |
| Output SPL at 31.5 Hz | 124.8 dB |
| Output SPL at 40 Hz | 129.3 dB |
| Output SPL at 50 Hz | 130.3 dB |
| Output SPL at 63 Hz | 129.4 dB |
| Output SPL at 80 Hz | 128.5 dB |
| Output SPL at 100 Hz | 128.1 dB |
| Output SPL at 125 Hz | 128.0 dB |
| Warranty | 5/3 |
| Weight | 220 lbs / 99.8 kg |
- Head-to-Head Comparisons
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Power Sound Audio (PSA) TRIAX: $7995
| CEA-2010-A Average (40-80Hz) | 130.9 dB (avg of 3/4 bands) |
|---|---|
| Country | United States |
| Dimensions | 23.5"H x 31.0"W x 27.5"D (596.9 x 787.4 x 698.5 mm) |
| Drivers | 3x 15" (381mm) driver |
| Enclosure | sealed |
| Measurement Source | Manufacturer |
| Output SPL at 20 Hz | 119.8 dB |
| Output SPL at 25 Hz | 119.8 dB |
| Output SPL at 31.5 Hz | 119.8 dB |
| Output SPL at 40 Hz | 130.9 dB |
| Output SPL at 50 Hz | 130.9 dB |
| Output SPL at 63 Hz | 130.9 dB |
| Warranty | 5 |
| Weight | 229.9 lbs / 104.3 kg |
- Head-to-Head Comparisons
- Power Sound Audio (PSA) TRIAX vs JTR Speakers Captivator 4000ULF
- Power Sound Audio (PSA) TRIAX vs JTR Speakers Orbit Shifter LFU
- Power Sound Audio (PSA) TRIAX vs JTR Speakers Orbit Shifter PRO
- Power Sound Audio (PSA) TRIAX vs JTR Speakers Captivator 215PRO
- Power Sound Audio (PSA) TRIAX vs Monoprice Monolith 16 THX Ultra
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- 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.