Reaction Audio PV-15X vs Rythmik F18

Last updated: August 9, 2026

Short answer: the Reaction Audio PV-15X for the higher ranking, the Rythmik F18 for the lower price. The Reaction Audio PV-15X ranks #16 of 97 subwoofers at $1999. The Rythmik F18 ranks #60 at $1850, $149 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. The catch: 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 Reaction Audio PV-15X if the ranking matters more than the price. Buy the Rythmik F18 if the price matters more than the ranking.

Specifications Side By Side

Reaction Audio PV-15X Rythmik F18
Price$1999 Discontinued$1,850
Ranked#16 of 97 in Large Powered Home Subwoofers (Over 75 lbs)#60 of 97 in Large Powered Home Subwoofers (Over 75 lbs)
Enclosureported, rearsealed
Output SPL at 15 Hz105.3 dB102.0 dB
Output SPL at 20 Hz111.3 dB106.2 dB
Output SPL at 25 Hz116.1 dB110.9 dB
Output SPL at 31.5 Hz119.8 dB114.3 dB
Output SPL at 40 Hz125.3 dB117.1 dB
Output SPL at 50 Hz126.8 dB119.1 dB
Output SPL at 63 Hz126.1 dB120.5 dB
Output SPL at 80 Hz126.5 dB121.2 dB
Output SPL at 100 Hz126.4 dB121.4 dB
Output SPL at 125 Hz126.1 dB121.4 dB
CEA-2010-A Average (40-80Hz)126.2 dB119.5 dB
Dimensions18.0"H x 22.0"W x 29.0"D (457.2 x 558.8 x 736.6 mm)20.5"H x 20.5"W x 21.0"D (520.7 x 520.7 x 533.4 mm)
Measurement SourceData-bassData-bass
DiscontinuedYes-
Weight149.9 lbs / 68 kg115.1 lbs / 52.2 kg
Drivers15" (381mm) driver18" (457mm) driver
Output SPL at 10 Hz-93.7 dB
Output SPL at 12.5 Hz-97.4 dB
Warranty-5/3
Cabinet Color-black
Country-United States

The Two Speakers In Full

Reaction Audio PV-15X: $1999 Discontinued

Reaction Audio PV-15X ranking card

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
Dimensions18.0"H x 22.0"W x 29.0"D (457.2 x 558.8 x 736.6 mm)
DiscontinuedYes
Drivers15" (381mm) driver
Enclosureported, rear
Measurement SourceData-bass
Output SPL at 15 Hz105.3 dB
Output SPL at 20 Hz111.3 dB
Output SPL at 25 Hz116.1 dB
Output SPL at 31.5 Hz119.8 dB
Output SPL at 40 Hz125.3 dB
Output SPL at 50 Hz126.8 dB
Output SPL at 63 Hz126.1 dB
Output SPL at 80 Hz126.5 dB
Output SPL at 100 Hz126.4 dB
Output SPL at 125 Hz126.1 dB
Weight149.9 lbs / 68 kg

Rythmik F18: $1,850

Rythmik F18 ranking card

CEA-2010-A Average (40-80Hz)119.5 dB
Cabinet Colorblack
CountryUnited States
Dimensions20.5"H x 20.5"W x 21.0"D (520.7 x 520.7 x 533.4 mm)
Drivers18" (457mm) driver
Enclosuresealed
Measurement SourceData-bass
Output SPL at 10 Hz93.7 dB
Output SPL at 12.5 Hz97.4 dB
Output SPL at 15 Hz102.0 dB
Output SPL at 20 Hz106.2 dB
Output SPL at 25 Hz110.9 dB
Output SPL at 31.5 Hz114.3 dB
Output SPL at 40 Hz117.1 dB
Output SPL at 50 Hz119.1 dB
Output SPL at 63 Hz120.5 dB
Output SPL at 80 Hz121.2 dB
Output SPL at 100 Hz121.4 dB
Output SPL at 125 Hz121.4 dB
Warranty5/3
Weight115.1 lbs / 52.2 kg

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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.