Funk Audio Ultra 24.0 vs JTR Speakers Captivator S2

Short answer: the JTR Speakers Captivator S2. It ranks #7 of 97 subwoofers at $3995; the Funk Audio Ultra 24.0 ranks #9 and costs $9761.14, so there is not much of a tradeoff to weigh.

Buy the Funk Audio Ultra 24.0 if the price matters more than the ranking. Buy the JTR Speakers Captivator S2 if the ranking matters more than the price.

Specifications Side By Side

The Two Speakers In Full

Funk Audio Ultra 24.0: $9,761.14

CEA-2010-A Average (40-80Hz)	127.9 dB
Cabinet Color	wood, custom
Country	Canada
Dimensions	31.0"H x 26.0"W x 24.0"D (787.4 x 660.4 x 609.6 mm)
Drivers	24" (610mm) driver
Enclosure	sealed
Measurement Source	Manufacturer
Output SPL at 10 Hz	101.0 dB
Output SPL at 12.5 Hz	104.9 dB
Output SPL at 15 Hz	111.8 dB
Output SPL at 20 Hz	120.0 dB
Output SPL at 25 Hz	122.0 dB
Output SPL at 31.5 Hz	123.0 dB
Output SPL at 40 Hz	127.1 dB
Output SPL at 50 Hz	129.9 dB
Output SPL at 63 Hz	127.6 dB
Output SPL at 80 Hz	127.0 dB
Output SPL at 100 Hz	128.2 dB
Warranty	3
Weight	297.6 lbs / 135 kg

• Head-to-Head Comparisons
  • Funk Audio Ultra 24.0 vs Funk Audio Custom 21.0
  • Funk Audio Ultra 24.0 vs Power Sound Audio (PSA) V3600I
• Links
  • Funk Audio Ultra 24.0 Website
  • Reddit Search for Funk Audio Ultra 24.0
  • Direct Speakerranking Link

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
  • JTR Speakers Captivator S2 vs Power Sound Audio (PSA) T18
  • JTR Speakers Captivator S2 vs Power Sound Audio (PSA) V3600I
  • JTR Speakers Captivator S2 vs JTR Speakers Captivator 215PRO
• Links
  • JTR Speakers Captivator S2 Website
  • Reddit Search for JTR Speakers Captivator S2
  • 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.