Short answer: the JTR Speakers Growler (2015) for better sound quality, the Reaction Audio PV-15X for the lower price. The JTR Speakers Growler (2015) ranks #13 of 110 subwoofers at $2995. The Reaction Audio PV-15X ranks #21 at $1999, $996 cheaper.

What the Reaction Audio PV-15X offers: 15-inch ported driver delivers 126.2dB CEA-2010-A average from a purpose-built cinema-style cabinet. Watch for: Passive design requires a separate external amplifier and weighs 68 kg.
What the JTR Speakers Growler (2015) offers: 12-inch ported driver reaches 130.2dB CEA-2010-A average, nearly matching the class leader for about $1,000 less. Watch for: Ported design room interaction, 45 kg size, and $2,995 cost.
Buy the Reaction Audio PV-15X if the price is the priority over sound quality, or the JTR Speakers Growler (2015) if sound quality is the priority over the price.
Still deciding? The full Subwoofers rankings cover every ranked option.
Specifications Side By Side
| Reaction Audio PV-15X | JTR Speakers Growler (2015) | |
|---|---|---|
| Price | $1999 Discontinued | $2995 Passive |
| Ranked | #21 of 110 in Large Home Subwoofers (Over 75 lbs) | #13 of 110 in Large Home Subwoofers (Over 75 lbs) |
| Enclosure | ported, rear | ported, front |
| Output SPL at 15 Hz | 105.3 dB | - |
| Output SPL at 20 Hz | 111.3 dB | 92.8 dB |
| Output SPL at 25 Hz | 116.1 dB | 97.2 dB |
| Output SPL at 31.5 Hz | 119.8 dB | 106.6 dB |
| Output SPL at 40 Hz | 125.3 dB | 122.7 dB |
| Output SPL at 50 Hz | 126.8 dB | 130.0 dB |
| Output SPL at 63 Hz | 126.1 dB | 133.6 dB |
| Output SPL at 80 Hz | 126.5 dB | 134.4 dB |
| Output SPL at 100 Hz | 126.4 dB | 135.5 dB |
| Output SPL at 125 Hz | 126.1 dB | 136.0 dB |
| CEA-2010-A Average (40-80Hz) | 126.2 dB | 130.2 dB |
| Dimensions | 18"H x 22"W x 29"D (457.2 x 558.8 x 736.6 mm) | 22.5"H x 30"W x 20"D (571.5 x 762.0 x 508.0 mm) |
| Measurement Source | Data-bass | Data-bass |
| Discontinued | Yes | - |
| Weight | 149.9 lbs (68 kg) | 100.1 lbs (45.4 kg) |
| Drivers | 15" (381mm) driver | 12" (305mm) driver |
| Passive | - | Yes |
| Country | - | United States |
Related Speaker Comparisons
More worthwhile head-to-heads for JTR Speakers Growler (2015):
- JTR Speakers Growler (2015) vs WW Speaker Cabinets X21 - B&C 21DS115-4
- JTR Speakers Growler (2015) vs Pro Audio Technology LFC-24sm
- JTR Speakers Captivator S2 vs JTR Speakers Growler (2015)
- Danley Sound Labs DTS10 vs JTR Speakers Growler (2015)
- Monoprice Monolith 16 THX Ultra vs JTR Speakers Growler (2015)
Prices on this page were last checked September 14, 2026 at 1:47 AM UTC. Product prices and availability are accurate as of that date/time 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.
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The Two Speakers In Full
Reaction Audio PV-15X: $1999 Discontinued eBay
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.
Full Reaction Audio PV-15X review and specifications →
| CEA-2010-A Average (40-80Hz) | 126.2 dB |
|---|---|
| Dimensions | 18"H x 22"W x 29"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) |
- Reviews, Comparisons and Sound Samples
- Independently measured by Data-bass; the published figures above come from this ASR subwoofer measurement thread.
- 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 JBL 4645C
- Reaction Audio PV-15X vs Danley Sound Labs DTS10
- Reaction Audio PV-15X vs Chase Home Theater SS18.1
- Reaction Audio PV-15X vs JTR Speakers Captivator S2
- See all 23 comparisons
JTR Speakers Growler (2015): $2995 Passive eBay
Pros: 12-inch ported driver reaches 130.2dB CEA-2010-A average, nearly matching the class leader for about $1,000 less.
Cons: Ported design room interaction, 45 kg size, and $2,995 cost.
Notes: Looks like “PA sub”
Full JTR Speakers Growler (2015) review and specifications →
| CEA-2010-A Average (40-80Hz) | 130.2 dB |
|---|---|
| Country | United States |
| Dimensions | 22.5"H x 30"W x 20"D (571.5 x 762.0 x 508.0 mm) |
| Drivers | 12" (305mm) driver |
| Enclosure | ported, front |
| Measurement Source | Data-bass |
| Output SPL at 20 Hz | 92.8 dB |
| Output SPL at 25 Hz | 97.2 dB |
| Output SPL at 31.5 Hz | 106.6 dB |
| Output SPL at 40 Hz | 122.7 dB |
| Output SPL at 50 Hz | 130.0 dB |
| Output SPL at 63 Hz | 133.6 dB |
| Output SPL at 80 Hz | 134.4 dB |
| Output SPL at 100 Hz | 135.5 dB |
| Output SPL at 125 Hz | 136.0 dB |
| Passive | Yes |
| Weight | 100.1 lbs (45.4 kg) |
- Reviews, Comparisons and Sound Samples
- Independently measured by Data-bass; the published figures above come from this ASR subwoofer measurement thread.
- Head-to-Head Comparisons
- JTR Speakers Growler (2015) vs Danley Sound Labs DTS10
- JTR Speakers Growler (2015) vs JTR Speakers Captivator S2
- JTR Speakers Growler (2015) vs Monoprice Monolith 16 THX Ultra
- JTR Speakers Growler (2015) vs Pro Audio Technology LFC-24sm
- JTR Speakers Growler (2015) vs WW Speaker Cabinets X21 - B&C 21DS115-4
- JTR Speakers Growler (2015) vs JBL 4645C
- JTR Speakers Growler (2015) vs Chase Home Theater SS18.1
- JTR Speakers Growler (2015) vs HSU Research VTF-3 MK5 HP

