JTR Speakers Captivator 4000ULF vs Power Sound Audio (PSA) TRIAX

Last updated: August 9, 2026

Short answer: the Power Sound Audio (PSA) TRIAX for the higher ranking, the JTR Speakers Captivator 4000ULF for the lower price. The Power Sound Audio (PSA) TRIAX ranks #3 of 97 subwoofers at $7995. The JTR Speakers Captivator 4000ULF ranks #4 at $5000, $2995 cheaper.

Buy the JTR Speakers Captivator 4000ULF 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 4000ULF Power Sound Audio (PSA) TRIAX
Price$5,000$7995
Ranked#4 of 97 in Large Powered Home Subwoofers (Over 75 lbs)#3 of 97 in Large Powered Home Subwoofers (Over 75 lbs)
Enclosureported, frontsealed
Output SPL at 10 Hz111.0 dB-
Output SPL at 12.5 Hz115.3 dB-
Output SPL at 15 Hz119.3 dB-
Output SPL at 20 Hz122.3 dB119.8 dB
Output SPL at 25 Hz126.1 dB119.8 dB
Output SPL at 31.5 Hz129.3 dB119.8 dB
Output SPL at 40 Hz130.7 dB130.9 dB
Output SPL at 50 Hz131.2 dB130.9 dB
Output SPL at 63 Hz130.9 dB130.9 dB
Output SPL at 80 Hz130.6 dB-
Output SPL at 100 Hz130.5 dB-
Output SPL at 125 Hz129.5 dB-
CEA-2010-A Average (40-80Hz)130.8 dB130.9 dB (avg of 3/4 bands)
Dimensions41.0"H x 20.5"W x 39.5"D (1041.4 x 520.7 x 1003.3 mm)23.5"H x 31.0"W x 27.5"D (596.9 x 787.4 x 698.5 mm)
Weight265 lbs / 120.2 kg229.9 lbs / 104.3 kg
Warranty5/35
Cabinet Colorblack, custom-
CountryUnited StatesUnited States
Measurement SourceData-bassManufacturer
Drivers2x 18" (457mm) driver3x 15" (381mm) driver

The Two Speakers In Full

JTR Speakers Captivator 4000ULF: $5,000

JTR Speakers Captivator 4000ULF ranking card

CEA-2010-A Average (40-80Hz)130.8 dB
Cabinet Colorblack, custom
CountryUnited States
Dimensions41.0"H x 20.5"W x 39.5"D (1041.4 x 520.7 x 1003.3 mm)
Drivers2x 18" (457mm) driver
Enclosureported, front
Measurement SourceData-bass
Output SPL at 10 Hz111.0 dB
Output SPL at 12.5 Hz115.3 dB
Output SPL at 15 Hz119.3 dB
Output SPL at 20 Hz122.3 dB
Output SPL at 25 Hz126.1 dB
Output SPL at 31.5 Hz129.3 dB
Output SPL at 40 Hz130.7 dB
Output SPL at 50 Hz131.2 dB
Output SPL at 63 Hz130.9 dB
Output SPL at 80 Hz130.6 dB
Output SPL at 100 Hz130.5 dB
Output SPL at 125 Hz129.5 dB
Warranty5/3
Weight265 lbs / 120.2 kg

Power Sound Audio (PSA) TRIAX: $7995

Power Sound Audio (PSA) TRIAX ranking card

CEA-2010-A Average (40-80Hz)130.9 dB (avg of 3/4 bands)
CountryUnited States
Dimensions23.5"H x 31.0"W x 27.5"D (596.9 x 787.4 x 698.5 mm)
Drivers3x 15" (381mm) driver
Enclosuresealed
Measurement SourceManufacturer
Output SPL at 20 Hz119.8 dB
Output SPL at 25 Hz119.8 dB
Output SPL at 31.5 Hz119.8 dB
Output SPL at 40 Hz130.9 dB
Output SPL at 50 Hz130.9 dB
Output SPL at 63 Hz130.9 dB
Warranty5
Weight229.9 lbs / 104.3 kg

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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.