Short answer: the Reaction Audio PV-15X for the higher ranking, the Rythmik FV15HP for the lower price. The Reaction Audio PV-15X ranks #16 of 97 subwoofers at $1999. The Rythmik FV15HP ranks #39 at $1770, $229 cheaper.
The case for the Reaction Audio PV-15X: 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.
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 tradeoff: Premium price ($1,770), ported design room gain dependency, and mid-to-large 52 kg footprint.
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 Reaction Audio PV-15X if the ranking matters more than the price. Buy the Rythmik FV15HP if the price matters more than the ranking.
Specifications Side By Side
| Reaction Audio PV-15X | Rythmik FV15HP | |
|---|---|---|
| Price | $1999 Discontinued | $1,770 |
| Ranked | #16 of 97 in Large Powered Home Subwoofers (Over 75 lbs) | #39 of 97 in Large Powered Home Subwoofers (Over 75 lbs) |
| Enclosure | ported, rear | ported, front |
| Output SPL at 15 Hz | 105.3 dB | 105.1 dB |
| Output SPL at 20 Hz | 111.3 dB | 111.1 dB |
| Output SPL at 25 Hz | 116.1 dB | 116.1 dB |
| Output SPL at 31.5 Hz | 119.8 dB | 120.0 dB |
| Output SPL at 40 Hz | 125.3 dB | 122.5 dB |
| Output SPL at 50 Hz | 126.8 dB | 122.1 dB |
| Output SPL at 63 Hz | 126.1 dB | 121.8 dB |
| Output SPL at 80 Hz | 126.5 dB | 121.4 dB |
| Output SPL at 100 Hz | 126.4 dB | 121.2 dB |
| Output SPL at 125 Hz | 126.1 dB | 121.1 dB |
| CEA-2010-A Average (40-80Hz) | 126.2 dB | 122.0 dB |
| Dimensions | 18.0"H x 22.0"W x 29.0"D (457.2 x 558.8 x 736.6 mm) | 24.5"H x 18.25"W x 24.25"D (622.3 x 463.5 x 615.9 mm) |
| Measurement Source | Data-bass | Audioholics |
| Discontinued | Yes | - |
| Weight | 149.9 lbs / 68 kg | 115.1 lbs / 52.2 kg |
| Drivers | 15" (381mm) driver | 15" (381mm) driver |
| Output SPL at 12.5 Hz | - | 92.8 dB |
| Warranty | - | 5/3 |
| Cabinet Color | - | black, white |
| Country | - | United States |
The Two Speakers In Full
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
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 Monoprice Monolith 16 THX Ultra
- 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.

