Short answer: the JTR Speakers Orbit Shifter PRO for the higher ranking, the Reaction Audio PV-15X for the lower price. The JTR Speakers Orbit Shifter PRO ranks #1 of 97 subwoofers at $4200. The Reaction Audio PV-15X ranks #16 at $1999, $2201 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 Reaction Audio PV-15X gets right: 15-inch ported driver delivers 126.2dB CEA-2010-A average from a purpose-built cinema-style cabinet. Set against that: Passive design requires a separate external amplifier and weighs 68 kg.
One note: the Reaction Audio PV-15X is discontinued, but it still ranks #16 of 97 subwoofers, ahead of most of what is still sold new, so it is worth considering used.
Buy the JTR Speakers Orbit Shifter PRO if the ranking matters more than the price. Buy the Reaction Audio PV-15X if the price matters more than the ranking.
Specifications Side By Side
| JTR Speakers Orbit Shifter PRO | Reaction Audio PV-15X | |
|---|---|---|
| Price | $4,200 | $1999 Discontinued |
| Ranked | #1 of 97 in Large Powered Home Subwoofers (Over 75 lbs) | #16 of 97 in Large Powered Home Subwoofers (Over 75 lbs) |
| Enclosure | horn | ported, rear |
| Output SPL at 15 Hz | 95.7 dB | 105.3 dB |
| Output SPL at 20 Hz | 101.9 dB | 111.3 dB |
| Output SPL at 25 Hz | 114.9 dB | 116.1 dB |
| Output SPL at 31.5 Hz | 128.2 dB | 119.8 dB |
| Output SPL at 40 Hz | 136.0 dB | 125.3 dB |
| Output SPL at 50 Hz | 141.0 dB | 126.8 dB |
| Output SPL at 63 Hz | 144.0 dB | 126.1 dB |
| Output SPL at 80 Hz | 144.2 dB | 126.5 dB |
| Output SPL at 100 Hz | 143.4 dB | 126.4 dB |
| Output SPL at 125 Hz | 140.1 dB | 126.1 dB |
| CEA-2010-A Average (40-80Hz) | 141.3 dB | 126.2 dB |
| Dimensions | 45.0"H x 22.5"W x 32.0"D (1143.0 x 571.5 x 812.8 mm) | 18.0"H x 22.0"W x 29.0"D (457.2 x 558.8 x 736.6 mm) |
| Weight | 185 lbs / 83.9 kg | 149.9 lbs / 68 kg |
| Warranty | 5 | - |
| Cabinet Color | black | - |
| Country | United States | - |
| Measurement Source | Data-bass | Data-bass |
| Drivers | 18" (457mm) driver | 15" (381mm) driver |
| Discontinued | - | Yes |
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 Monoprice Monolith M-215
- JTR Speakers Orbit Shifter PRO vs Rythmik FV15HP
- JTR Speakers Orbit Shifter PRO vs HSU Research VTF-15H MK2
- See all 13 comparisons
- Links
Reaction Audio PV-15X: $1999 Discontinued
Pros: 15-inch ported driver delivers 126.2dB CEA-2010-A average from a purpose-built cinema-style cabinet.
Cons: Passive design requires a separate external amplifier and weighs 68 kg. Discontinued.
| CEA-2010-A Average (40-80Hz) | 126.2 dB |
|---|---|
| Dimensions | 18.0"H x 22.0"W x 29.0"D (457.2 x 558.8 x 736.6 mm) |
| Discontinued | Yes |
| Drivers | 15" (381mm) driver |
| Enclosure | ported, rear |
| Measurement Source | Data-bass |
| Output SPL at 15 Hz | 105.3 dB |
| Output SPL at 20 Hz | 111.3 dB |
| Output SPL at 25 Hz | 116.1 dB |
| Output SPL at 31.5 Hz | 119.8 dB |
| Output SPL at 40 Hz | 125.3 dB |
| Output SPL at 50 Hz | 126.8 dB |
| Output SPL at 63 Hz | 126.1 dB |
| Output SPL at 80 Hz | 126.5 dB |
| Output SPL at 100 Hz | 126.4 dB |
| Output SPL at 125 Hz | 126.1 dB |
| Weight | 149.9 lbs / 68 kg |
- Buy Used
- Head-to-Head Comparisons
- Reaction Audio PV-15X vs JTR Speakers Captivator 2400
- Reaction Audio PV-15X vs Funk Audio Ultra 21.0LX
- Reaction Audio PV-15X vs Monoprice Monolith M-215
- Reaction Audio PV-15X vs Monoprice Monolith 16 THX Ultra
- Reaction Audio PV-15X vs JTR Speakers Captivator S2
- Reaction Audio PV-15X vs JTR Speakers Captivator 4000ULF
- Reaction Audio PV-15X vs Power Sound Audio (PSA) TRIAX
- Reaction Audio PV-15X vs JTR Speakers Orbit Shifter LFU
- See all 17 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.