Short answer: the JTR Speakers Captivator 1400. It ranks #21 of 97 subwoofers by sound quality at $2495; the Power Sound Audio (PSA) S3600i ranks #22 and costs $5995, so there is little reason to consider the other one.
What the Power Sound Audio (PSA) S3600i offers: Independent CEA-2010 testing records 104.7 dB at 20 Hz and 125.0 dB through 40-80 Hz. The sealed enclosure with 2x 18” (457mm) driver delivers formidable upper-bass output for movie effects and music. Watch for: 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 609.6H x 711.2W x 508.0D mm cabinet and 62.1 kg mass still require deliberate placement and calibration.
What the JTR Speakers Captivator 1400 offers: Independent CEA-2010 testing records 116.1 dB at 20 Hz and 125.2 dB through 40-80 Hz. The ported, front enclosure with 18” (457mm) driver has the headroom for demanding film bass in a large room. Watch for: The 508.0H x 762.0W x 571.5D mm cabinet and 64.4 kg mass make this a serious placement and moving commitment. Ported output does not solve room modes, so careful placement and calibration remain essential.
Buy the JTR Speakers Captivator 1400. It ranks higher for sound quality than the Power Sound Audio (PSA) S3600i and costs less, so the other one has nothing left to offer.
Specifications Side By Side
| Power Sound Audio (PSA) S3600i | JTR Speakers Captivator 1400 | |
|---|---|---|
| Price | $5995 | $2495 |
| Ranked | #22 of 97 in Large Powered Home Subwoofers (Over 75 lbs) | #21 of 97 in Large Powered Home Subwoofers (Over 75 lbs) |
| Enclosure | sealed | ported, front |
| Output SPL at 15 Hz | 101.1 dB | 111.9 dB |
| Output SPL at 20 Hz | 104.7 dB | 116.1 dB |
| Output SPL at 25 Hz | 107.9 dB | 119.2 dB |
| Output SPL at 31.5 Hz | 113.6 dB | 121.7 dB |
| Output SPL at 40 Hz | 119.9 dB | 124.8 dB |
| Output SPL at 50 Hz | 125.8 dB | 126.4 dB |
| Output SPL at 63 Hz | 127.4 dB | 125.4 dB |
| Output SPL at 80 Hz | 126.9 dB | 124.0 dB |
| CEA-2010-A Average (40-80Hz) | 125.0 dB | 125.2 dB |
| Dimensions | 24"H x 28"W x 20"D (609.6 x 711.2 x 508.0 mm) | 20"H x 30"W x 22.5"D (508.0 x 762.0 x 571.5 mm) |
| Weight | 136.9 lbs / 62.1 kg | 142 lbs / 64.4 kg |
| Warranty | 5 | 5/3 |
| Country | United States | United States |
| Measurement Source | Brent Butterworth | Data-bass |
| Drivers | 2x 18" (457mm) driver | 18" (457mm) driver |
| Output SPL at 12.5 Hz | - | 99.3 dB |
| Output SPL at 100 Hz | - | 126.0 dB |
| Output SPL at 125 Hz | - | 124.7 dB |
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- Rythmik FV25HP vs JTR Speakers Captivator 1400
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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
Power Sound Audio (PSA) S3600i: $5995 eBay
Pros: Independent CEA-2010 testing records 104.7 dB at 20 Hz and 125.0 dB through 40-80 Hz. The sealed enclosure with 2x 18” (457mm) driver 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 609.6H x 711.2W x 508.0D mm cabinet and 62.1 kg mass still require deliberate placement and calibration.
Full Power Sound Audio (PSA) S3600i review and specifications →
| CEA-2010-A Average (40-80Hz) | 125.0 dB |
|---|---|
| Country | United States |
| Dimensions | 24"H x 28"W x 20"D (609.6 x 711.2 x 508.0 mm) |
| Drivers | 2x 18" (457mm) driver |
| Enclosure | sealed |
| Measurement Source | Brent Butterworth |
| Output SPL at 15 Hz | 101.1 dB |
| Output SPL at 20 Hz | 104.7 dB |
| Output SPL at 25 Hz | 107.9 dB |
| Output SPL at 31.5 Hz | 113.6 dB |
| Output SPL at 40 Hz | 119.9 dB |
| Output SPL at 50 Hz | 125.8 dB |
| Output SPL at 63 Hz | 127.4 dB |
| Output SPL at 80 Hz | 126.9 dB |
| Warranty | 5 |
| Weight | 136.9 lbs / 62.1 kg |
- Links
- Reviews, Comparisons and Sound Samples
JTR Speakers Captivator 1400: $2495 eBay
Pros: Independent CEA-2010 testing records 116.1 dB at 20 Hz and 125.2 dB through 40-80 Hz. The ported, front enclosure with 18” (457mm) driver has the headroom for demanding film bass in a large room.
Cons: The 508.0H x 762.0W x 571.5D mm cabinet and 64.4 kg mass make this a serious placement and moving commitment. Ported output does not solve room modes, so careful placement and calibration remain essential.
Full JTR Speakers Captivator 1400 review and specifications →
| CEA-2010-A Average (40-80Hz) | 125.2 dB |
|---|---|
| Country | United States |
| Dimensions | 20"H x 30"W x 22.5"D (508.0 x 762.0 x 571.5 mm) |
| Drivers | 18" (457mm) driver |
| Enclosure | ported, front |
| Measurement Source | Data-bass |
| Output SPL at 12.5 Hz | 99.3 dB |
| Output SPL at 15 Hz | 111.9 dB |
| Output SPL at 20 Hz | 116.1 dB |
| Output SPL at 25 Hz | 119.2 dB |
| Output SPL at 31.5 Hz | 121.7 dB |
| Output SPL at 40 Hz | 124.8 dB |
| Output SPL at 50 Hz | 126.4 dB |
| Output SPL at 63 Hz | 125.4 dB |
| Output SPL at 80 Hz | 124.0 dB |
| Output SPL at 100 Hz | 126.0 dB |
| Output SPL at 125 Hz | 124.7 dB |
| Warranty | 5/3 |
| Weight | 142 lbs / 64.4 kg |
- Links
- Reviews, Comparisons and Sound Samples
- Head-to-Head Comparisons