Short answer: the JTR Speakers Orbit Shifter LFU for the higher ranking, the Rythmik FV15HP for the lower price. The JTR Speakers Orbit Shifter LFU ranks #2 of 97 subwoofers at $6995. The Rythmik FV15HP ranks #39 at $1770, $5225 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. Set against that: Premium price ($1,770), ported design room gain dependency, and mid-to-large 52 kg footprint.
Buy the JTR Speakers Orbit Shifter LFU 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 LFU | Rythmik FV15HP | |
|---|---|---|
| Price | $6995 | $1,770 |
| Ranked | #2 of 97 in Large Powered Home Subwoofers (Over 75 lbs) | #39 of 97 in Large Powered Home Subwoofers (Over 75 lbs) |
| Enclosure | ported, front | ported, front |
| Output SPL at 12.5 Hz | 96.5 dB | 92.8 dB |
| Output SPL at 15 Hz | 104.5 dB | 105.1 dB |
| Output SPL at 20 Hz | 118.6 dB | 111.1 dB |
| Output SPL at 25 Hz | 125.5 dB | 116.1 dB |
| Output SPL at 31.5 Hz | 128.0 dB | 120.0 dB |
| Output SPL at 40 Hz | 131.1 dB | 122.5 dB |
| Output SPL at 50 Hz | 132.1 dB | 122.1 dB |
| Output SPL at 63 Hz | 134.4 dB | 121.8 dB |
| Output SPL at 80 Hz | 137.8 dB | 121.4 dB |
| Output SPL at 100 Hz | 139.7 dB | 121.2 dB |
| Output SPL at 125 Hz | 138.0 dB | 121.1 dB |
| CEA-2010-A Average (40-80Hz) | 133.8 dB | 122.0 dB |
| Dimensions | 22.5"H x 50.0"W x 36.0"D (571.5 x 1270.0 x 914.4 mm) | 24.5"H x 18.25"W x 24.25"D (622.3 x 463.5 x 615.9 mm) |
| Country | United States | United States |
| Measurement Source | Data-bass | Audioholics |
| Weight | 177 lbs / 80.3 kg | 115.1 lbs / 52.2 kg |
| Drivers | 18" (457mm) driver | 15" (381mm) driver |
| Warranty | - | 5/3 |
| Cabinet Color | - | black, white |
The Two Speakers In Full
JTR Speakers Orbit Shifter LFU: $6995
| CEA-2010-A Average (40-80Hz) | 133.8 dB |
|---|---|
| Country | United States |
| Dimensions | 22.5"H x 50.0"W x 36.0"D (571.5 x 1270.0 x 914.4 mm) |
| Drivers | 18" (457mm) driver |
| Enclosure | ported, front |
| Measurement Source | Data-bass |
| Output SPL at 12.5 Hz | 96.5 dB |
| Output SPL at 15 Hz | 104.5 dB |
| Output SPL at 20 Hz | 118.6 dB |
| Output SPL at 25 Hz | 125.5 dB |
| Output SPL at 31.5 Hz | 128.0 dB |
| Output SPL at 40 Hz | 131.1 dB |
| Output SPL at 50 Hz | 132.1 dB |
| Output SPL at 63 Hz | 134.4 dB |
| Output SPL at 80 Hz | 137.8 dB |
| Output SPL at 100 Hz | 139.7 dB |
| Output SPL at 125 Hz | 138.0 dB |
| Weight | 177 lbs / 80.3 kg |
- Head-to-Head Comparisons
- JTR Speakers Orbit Shifter LFU vs JTR Speakers Orbit Shifter PRO
- JTR Speakers Orbit Shifter LFU vs Power Sound Audio (PSA) TRIAX
- JTR Speakers Orbit Shifter LFU vs JTR Speakers Captivator 4000ULF
- JTR Speakers Orbit Shifter LFU vs JTR Speakers Captivator S2
- JTR Speakers Orbit Shifter LFU vs Monoprice Monolith 16 THX Ultra
- JTR Speakers Orbit Shifter LFU vs Reaction Audio PV-15X
- JTR Speakers Orbit Shifter LFU vs Monoprice Monolith M-215
- JTR Speakers Orbit Shifter LFU 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.

