JTR Speakers Captivator S2 vs Rythmik FV15HP

Short answer: the JTR Speakers Captivator S2 for the higher ranking, the Rythmik FV15HP for the lower price. The JTR Speakers Captivator S2 ranks #7 of 97 subwoofers at $3995. The Rythmik FV15HP ranks #39 at $1770, $2225 cheaper.

The case for the Rythmik FV15HP: 15-inch ported driver reaches 122.0dB CEA-2010-A average, matching the output of subwoofers costing significantly more. The tradeoff: Premium price ($1,770), ported design room gain dependency, and mid-to-large 52 kg footprint.

Buy the JTR Speakers Captivator S2 if the ranking matters more than the price. Buy the Rythmik FV15HP if the price matters more than the ranking.

Specifications Side By Side

The Two Speakers In Full

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
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  • JTR Speakers Captivator S2 vs JTR Speakers Orbit Shifter LFU
  • JTR Speakers Captivator S2 vs JTR Speakers Orbit Shifter PRO
  • See all 17 comparisons
• Links
  • JTR Speakers Captivator S2 Website
  • Reddit Search for JTR Speakers Captivator S2
  • Direct Speakerranking Link

Rythmik FV15HP: $1,770

Pros: 15-inch ported driver reaches 122.0dB CEA-2010-A average, matching the output of subwoofers costing significantly more.

Cons: Premium price ($1,770), ported design room gain dependency, and mid-to-large 52 kg footprint.

CEA-2010-A Average (40-80Hz)	122.0 dB
Cabinet Color	black, white
Country	United States
Dimensions	24.5"H x 18.25"W x 24.25"D (622.3 x 463.5 x 615.9 mm)
Drivers	15" (381mm) driver
Enclosure	ported, front
Measurement Source	Audioholics
Output SPL at 12.5 Hz	92.8 dB
Output SPL at 15 Hz	105.1 dB
Output SPL at 20 Hz	111.1 dB
Output SPL at 25 Hz	116.1 dB
Output SPL at 31.5 Hz	120.0 dB
Output SPL at 40 Hz	122.5 dB
Output SPL at 50 Hz	122.1 dB
Output SPL at 63 Hz	121.8 dB
Output SPL at 80 Hz	121.4 dB
Output SPL at 100 Hz	121.2 dB
Output SPL at 125 Hz	121.1 dB
Warranty	5/3
Weight	115.1 lbs / 52.2 kg

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