Short answer: the JTR Speakers Orbit Shifter PRO for the higher ranking, the Rythmik FV15HP for the lower price. The JTR Speakers Orbit Shifter PRO ranks #1 of 97 subwoofers at $4200. The Rythmik FV15HP ranks #39 at $1770, $2430 cheaper.
The case for the JTR Speakers Orbit Shifter PRO: Dual 18-inch horn-loaded drivers deliver a class-leading 141.3dB CEA-2010-A average, well beyond any other subwoofer tested. Set against that: Extremely high price ($4,200) and weighs 84 kg - requires dedicated placement and amplifier.
What the Rythmik FV15HP gets right: 15-inch ported driver reaches 122.0dB CEA-2010-A average, matching the output of subwoofers costing significantly more. The catch: Premium price ($1,770), ported design room gain dependency, and mid-to-large 52 kg footprint.
Buy the JTR Speakers Orbit Shifter PRO if the ranking matters more than the price. Buy the Rythmik FV15HP if the price matters more than the ranking.
Specifications Side By Side
| JTR Speakers Orbit Shifter PRO | Rythmik FV15HP | |
|---|---|---|
| Price | $4,200 | $1,770 |
| Ranked | #1 of 97 in Large Powered Home Subwoofers (Over 75 lbs) | #39 of 97 in Large Powered Home Subwoofers (Over 75 lbs) |
| Enclosure | horn | ported, front |
| Output SPL at 15 Hz | 95.7 dB | 105.1 dB |
| Output SPL at 20 Hz | 101.9 dB | 111.1 dB |
| Output SPL at 25 Hz | 114.9 dB | 116.1 dB |
| Output SPL at 31.5 Hz | 128.2 dB | 120.0 dB |
| Output SPL at 40 Hz | 136.0 dB | 122.5 dB |
| Output SPL at 50 Hz | 141.0 dB | 122.1 dB |
| Output SPL at 63 Hz | 144.0 dB | 121.8 dB |
| Output SPL at 80 Hz | 144.2 dB | 121.4 dB |
| Output SPL at 100 Hz | 143.4 dB | 121.2 dB |
| Output SPL at 125 Hz | 140.1 dB | 121.1 dB |
| CEA-2010-A Average (40-80Hz) | 141.3 dB | 122.0 dB |
| Dimensions | 45.0"H x 22.5"W x 32.0"D (1143.0 x 571.5 x 812.8 mm) | 24.5"H x 18.25"W x 24.25"D (622.3 x 463.5 x 615.9 mm) |
| Weight | 185 lbs / 83.9 kg | 115.1 lbs / 52.2 kg |
| Warranty | 5 | 5/3 |
| Cabinet Color | black | black, white |
| Country | United States | United States |
| Measurement Source | Data-bass | Audioholics |
| Drivers | 18" (457mm) driver | 15" (381mm) driver |
| Output SPL at 12.5 Hz | - | 92.8 dB |
The Two Speakers In Full
JTR Speakers Orbit Shifter PRO: $4,200
Pros: Dual 18-inch horn-loaded drivers deliver a class-leading 141.3dB CEA-2010-A average, well beyond any other subwoofer tested. Built for dedicated home theaters chasing reference-level output rather than living-room duty.
Cons: Extremely high price ($4,200) and weighs 84 kg - requires dedicated placement and amplifier.
Notes: Looks like “PA sub”
| CEA-2010-A Average (40-80Hz) | 141.3 dB |
|---|---|
| Cabinet Color | black |
| Country | United States |
| Dimensions | 45.0"H x 22.5"W x 32.0"D (1143.0 x 571.5 x 812.8 mm) |
| Drivers | 18" (457mm) driver |
| Enclosure | horn |
| Measurement Source | Data-bass |
| Output SPL at 15 Hz | 95.7 dB |
| Output SPL at 20 Hz | 101.9 dB |
| Output SPL at 25 Hz | 114.9 dB |
| Output SPL at 31.5 Hz | 128.2 dB |
| Output SPL at 40 Hz | 136.0 dB |
| Output SPL at 50 Hz | 141.0 dB |
| Output SPL at 63 Hz | 144.0 dB |
| Output SPL at 80 Hz | 144.2 dB |
| Output SPL at 100 Hz | 143.4 dB |
| Output SPL at 125 Hz | 140.1 dB |
| Warranty | 5 |
| Weight | 185 lbs / 83.9 kg |
- Head-to-Head Comparisons
- JTR Speakers Orbit Shifter PRO vs JTR Speakers Orbit Shifter LFU
- JTR Speakers Orbit Shifter PRO vs Power Sound Audio (PSA) TRIAX
- JTR Speakers Orbit Shifter PRO vs JTR Speakers Captivator 4000ULF
- JTR Speakers Orbit Shifter PRO vs JTR Speakers Captivator S2
- JTR Speakers Orbit Shifter PRO vs Monoprice Monolith 16 THX Ultra
- JTR Speakers Orbit Shifter PRO vs Reaction Audio PV-15X
- JTR Speakers Orbit Shifter PRO vs Monoprice Monolith M-215
- JTR Speakers Orbit Shifter PRO vs HSU Research VTF-15H MK2
- See all 13 comparisons
- Links
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
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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.

