Short answer: the Reaction Audio PV-15X. It ranks #21 of 110 subwoofers by sound quality at $1999; the Chase Home Theater SS18.1 ranks #32 and costs $2499, which makes this an easy call rather than a real tradeoff.
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 Chase Home Theater SS18.1 offers: 18-inch sealed driver delivers 125.2dB CEA-2010-A average from a dedicated cinema-style sealed cabinet. Watch for: Passive design needs external amplification, 41 kg weight, and sealed design room modes.
Buy the Reaction Audio PV-15X. It ranks higher for sound quality than the Chase Home Theater SS18.1 and costs less, which settles it without a real tradeoff to make.
Looking for alternatives? See the complete Subwoofers rankings.
Specifications Side By Side
| Reaction Audio PV-15X | Chase Home Theater SS18.1 | |
|---|---|---|
| Price | $1999 Discontinued | $2499 Passive, Discontinued |
| Ranked | #21 of 110 in Large Home Subwoofers (Over 75 lbs) | #32 of 110 in Large Home Subwoofers (Over 75 lbs) |
| Enclosure | ported, rear | sealed |
| Output SPL at 15 Hz | 105.3 dB | 97.2 dB |
| Output SPL at 20 Hz | 111.3 dB | 101.3 dB |
| Output SPL at 25 Hz | 116.1 dB | 106.0 dB |
| Output SPL at 31.5 Hz | 119.8 dB | 111.6 dB |
| Output SPL at 40 Hz | 125.3 dB | 118.2 dB |
| Output SPL at 50 Hz | 126.8 dB | 123.6 dB |
| Output SPL at 63 Hz | 126.1 dB | 128.1 dB |
| Output SPL at 80 Hz | 126.5 dB | 130.8 dB |
| Output SPL at 100 Hz | 126.4 dB | 132.6 dB |
| Output SPL at 125 Hz | 126.1 dB | 133.7 dB |
| CEA-2010-A Average (40-80Hz) | 126.2 dB | 125.2 dB |
| Dimensions | 18"H x 22"W x 29"D (457.2 x 558.8 x 736.6 mm) | 22"H x 24"W x 22"D (558.8 x 609.6 x 558.8 mm) |
| Measurement Source | Data-bass | Data-bass |
| Discontinued | Yes | Yes |
| Weight | 149.9 lbs (68 kg) | 89.9 lbs (40.8 kg) |
| Drivers | 15" (381mm) driver | 18" (457mm) driver |
| Passive | - | Yes |
| Output SPL at 12.5 Hz | - | 92.8 dB |
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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 JTR Speakers Growler (2015)
- Reaction Audio PV-15X vs JTR Speakers Captivator S2
- See all 23 comparisons
Chase Home Theater SS18.1: $2499 Passive, Discontinued eBay
Pros: 18-inch sealed driver delivers 125.2dB CEA-2010-A average from a dedicated cinema-style sealed cabinet.
Cons: Passive design needs external amplification, 41 kg weight, and sealed design room modes. Discontinued.
Full Chase Home Theater SS18.1 review and specifications →
| CEA-2010-A Average (40-80Hz) | 125.2 dB |
|---|---|
| Dimensions | 22"H x 24"W x 22"D (558.8 x 609.6 x 558.8 mm) |
| Discontinued | Yes |
| Drivers | 18" (457mm) driver |
| Enclosure | sealed |
| Measurement Source | Data-bass |
| Output SPL at 12.5 Hz | 92.8 dB |
| Output SPL at 15 Hz | 97.2 dB |
| Output SPL at 20 Hz | 101.3 dB |
| Output SPL at 25 Hz | 106.0 dB |
| Output SPL at 31.5 Hz | 111.6 dB |
| Output SPL at 40 Hz | 118.2 dB |
| Output SPL at 50 Hz | 123.6 dB |
| Output SPL at 63 Hz | 128.1 dB |
| Output SPL at 80 Hz | 130.8 dB |
| Output SPL at 100 Hz | 132.6 dB |
| Output SPL at 125 Hz | 133.7 dB |
| Passive | Yes |
| Weight | 89.9 lbs (40.8 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
- Chase Home Theater SS18.1 vs JBL 4645C
- Chase Home Theater SS18.1 vs Monoprice Monolith 16 THX Ultra
- Chase Home Theater SS18.1 vs Danley Sound Labs DTS10
- Chase Home Theater SS18.1 vs HSU Research VTF-15H MK2
- Chase Home Theater SS18.1 vs JTR Speakers Growler (2015)
- Chase Home Theater SS18.1 vs HSU Research VTF-3 MK5 HP
- Chase Home Theater SS18.1 vs JTR Speakers Captivator S2
- Chase Home Theater SS18.1 vs Pro Audio Technology LFC-24sm
- See all 9 comparisons