JTR Speakers Captivator 4000ULF vs SVS PB-4000

Short answer: the JTR Speakers Captivator 4000ULF for the higher ranking, the SVS PB-4000 for the lower price. The JTR Speakers Captivator 4000ULF ranks #4 of 97 subwoofers at $5000. The SVS PB-4000 ranks #53 at $2158.97, $2841.03 cheaper.

Buy the JTR Speakers Captivator 4000ULF if the ranking matters more than the price. Buy the SVS PB-4000 if the price matters more than the ranking.

Specifications Side By Side

The Two Speakers In Full

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
  • JTR Speakers Captivator 4000ULF vs JTR Speakers Captivator 215PRO
  • JTR Speakers Captivator 4000ULF vs Power Sound Audio (PSA) TRIAX
  • JTR Speakers Captivator 4000ULF vs JTR Speakers Orbit Shifter LFU
  • JTR Speakers Captivator 4000ULF vs Power Sound Audio (PSA) T18
  • JTR Speakers Captivator 4000ULF vs JTR Speakers Orbit Shifter PRO
  • JTR Speakers Captivator 4000ULF vs JTR Speakers Captivator S2
  • JTR Speakers Captivator 4000ULF vs Monoprice Monolith 16 THX Ultra
  • JTR Speakers Captivator 4000ULF vs Reaction Audio PV-15X
  • See all 15 comparisons
• Links
  • JTR Speakers Captivator 4000ULF Website
  • Reddit Search for JTR Speakers Captivator 4000ULF
  • Direct Speakerranking Link

SVS PB-4000: $2,158.97 Amazon

CEA-2010-A Average (40-80Hz)	120.3 dB
Cabinet Color	black
Country	United States
Dimensions	23.4"H x 20.5"W x 27.7"D (594.4 x 520.7 x 703.6 mm)
Drivers	13.5" (343mm) driver with ported design
Enclosure	ported, front
Measurement Source	Audioholics
Output SPL at 15 Hz	102.1 dB
Output SPL at 20 Hz	115.3 dB
Output SPL at 25 Hz	116.3 dB
Output SPL at 31.5 Hz	117.8 dB
Output SPL at 40 Hz	119.8 dB
Output SPL at 50 Hz	121.7 dB
Output SPL at 63 Hz	120.7 dB
Output SPL at 80 Hz	119.2 dB
Output SPL at 100 Hz	118.1 dB
Output SPL at 125 Hz	117.5 dB
Warranty	5
Weight	153.2 lbs / 69.5 kg

• Head-to-Head Comparisons
  • SVS PB-4000 vs Monoprice Monolith M-15 V2
  • SVS PB-4000 vs Rythmik F18
  • SVS PB-4000 vs Monoprice Monolith M15-S
  • SVS PB-4000 vs HSU Research VTF-3 MK5 HP
  • SVS PB-4000 vs HSU Research VTF-15H MK2
  • SVS PB-4000 vs Rythmik FV15HP
  • SVS PB-4000 vs Monoprice Monolith M-215
  • SVS PB-4000 vs Reaction Audio PV-15X
  • See all 13 comparisons
• Links
  • SVS PB-4000 Website
  • Reddit Search for SVS PB-4000
  • Direct Speakerranking Link

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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.