Short answer: the JTR Speakers Captivator 215PRO. It ranks #5 of 97 subwoofers by sound quality at $3500; the Power Sound Audio (PSA) T18 ranks #6 and costs $4995, so there is little reason to consider the other one.
Buy the JTR Speakers Captivator 215PRO. It ranks higher for sound quality than the Power Sound Audio (PSA) T18 and costs less, which settles it without a real tradeoff to make.

Specifications Side By Side
| JTR Speakers Captivator 215PRO | Power Sound Audio (PSA) T18 | |
|---|---|---|
| Price | $3,500 | $4995 |
| Ranked | #5 of 97 in Large Powered Home Subwoofers (Over 75 lbs) | #6 of 97 in Large Powered 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 |
Related Speaker Comparisons
More worthwhile head-to-heads for JTR Speakers Captivator 215PRO:
- JTR Speakers Captivator 215PRO vs Power Sound Audio (PSA) TRIAX
- JTR Speakers Captivator 215PRO vs JTR Speakers Captivator 4000ULF
- JTR Speakers Captivator 215PRO vs JTR Speakers Captivator S2
- JTR Speakers Captivator S2 vs Power Sound Audio (PSA) T18
- JTR Speakers Captivator 4000ULF vs Power Sound Audio (PSA) T18
Prices on this page were last checked September 8, 2026 at 6:02 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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The Two Speakers In Full
JTR Speakers Captivator 215PRO: $3,500 eBay
Pros: Independent CEA-2010 testing records 106.6 dB at 20 Hz and 130.7 dB through 40-80 Hz. The ported, front enclosure with 2x 15” (381mm) drivers delivers formidable upper-bass output for movie effects and music.
Cons: Deep-bass output is more limited than the strong 40-80 Hz result suggests, so it is not the right choice when the lowest movie effects are the priority. The 1016.0H x 457.2W x 762.0D mm cabinet and 67.6 kg mass still require deliberate placement and calibration.
Notes: Looks like “PA sub”
Full JTR Speakers Captivator 215PRO review and specifications →
| CEA-2010-A Average (40-80Hz) | 130.7 dB |
|---|---|
| Cabinet Color | black |
| Country | United States |
| Dimensions | 40"H x 18"W x 30"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 |
- Links
- Reviews, Comparisons and Sound Samples
- Head-to-Head Comparisons
Power Sound Audio (PSA) T18: $4995 eBay
Pros: Published CEA-2010 specifications list 115.7 dB at 20 Hz and 129.7 dB (avg of 3/4 bands) through 40-80 Hz. The sealed enclosure with 18” (457mm) driver has the headroom for demanding film bass in a large room.
Cons: The 596.9H x 787.4W x 698.5D mm cabinet and 77.1 kg mass make this a serious placement and moving commitment. A sealed cabinet still needs careful placement and calibration to avoid room-mode peaks.
Full Power Sound Audio (PSA) T18 review and specifications →
| CEA-2010-A Average (40-80Hz) | 129.7 dB (avg of 3/4 bands) |
|---|---|
| Country | United States |
| Dimensions | 23.5"H x 31"W x 27.5"D (596.9 x 787.4 x 698.5 mm) |
| Drivers | 18" (457mm) driver |
| Enclosure | sealed |
| Measurement Source | Manufacturer |
| Output SPL at 20 Hz | 115.7 dB |
| Output SPL at 25 Hz | 115.7 dB |
| Output SPL at 31.5 Hz | 115.7 dB |
| Output SPL at 40 Hz | 129.7 dB |
| Output SPL at 50 Hz | 129.7 dB |
| Output SPL at 63 Hz | 129.7 dB |
| Warranty | 5 |
| Weight | 170 lbs / 77.1 kg |
- Links
- Reviews, Comparisons and Sound Samples
- Head-to-Head Comparisons

