JTR Speakers Orbit Shifter LFU vs Rythmik F18

Last updated: August 9, 2026

Short answer: the JTR Speakers Orbit Shifter LFU for the higher ranking, the Rythmik F18 for the lower price. The JTR Speakers Orbit Shifter LFU ranks #2 of 97 subwoofers at $6995. The Rythmik F18 ranks #60 at $1850, $5145 cheaper.

Buy the JTR Speakers Orbit Shifter LFU if the ranking matters more than the price. Buy the Rythmik F18 if the price matters more than the ranking.

Specifications Side By Side

JTR Speakers Orbit Shifter LFU Rythmik F18
Price$6995$1,850
Ranked#2 of 97 in Large Powered Home Subwoofers (Over 75 lbs)#60 of 97 in Large Powered Home Subwoofers (Over 75 lbs)
Enclosureported, frontsealed
Output SPL at 12.5 Hz96.5 dB97.4 dB
Output SPL at 15 Hz104.5 dB102.0 dB
Output SPL at 20 Hz118.6 dB106.2 dB
Output SPL at 25 Hz125.5 dB110.9 dB
Output SPL at 31.5 Hz128.0 dB114.3 dB
Output SPL at 40 Hz131.1 dB117.1 dB
Output SPL at 50 Hz132.1 dB119.1 dB
Output SPL at 63 Hz134.4 dB120.5 dB
Output SPL at 80 Hz137.8 dB121.2 dB
Output SPL at 100 Hz139.7 dB121.4 dB
Output SPL at 125 Hz138.0 dB121.4 dB
CEA-2010-A Average (40-80Hz)133.8 dB119.5 dB
Dimensions22.5"H x 50.0"W x 36.0"D (571.5 x 1270.0 x 914.4 mm)20.5"H x 20.5"W x 21.0"D (520.7 x 520.7 x 533.4 mm)
CountryUnited StatesUnited States
Measurement SourceData-bassData-bass
Weight177 lbs / 80.3 kg115.1 lbs / 52.2 kg
Drivers18" (457mm) driver18" (457mm) driver
Output SPL at 10 Hz-93.7 dB
Warranty-5/3
Cabinet Color-black

The Two Speakers In Full

JTR Speakers Orbit Shifter LFU: $6995

JTR Speakers Orbit Shifter LFU ranking card

CEA-2010-A Average (40-80Hz)133.8 dB
CountryUnited States
Dimensions22.5"H x 50.0"W x 36.0"D (571.5 x 1270.0 x 914.4 mm)
Drivers18" (457mm) driver
Enclosureported, front
Measurement SourceData-bass
Output SPL at 12.5 Hz96.5 dB
Output SPL at 15 Hz104.5 dB
Output SPL at 20 Hz118.6 dB
Output SPL at 25 Hz125.5 dB
Output SPL at 31.5 Hz128.0 dB
Output SPL at 40 Hz131.1 dB
Output SPL at 50 Hz132.1 dB
Output SPL at 63 Hz134.4 dB
Output SPL at 80 Hz137.8 dB
Output SPL at 100 Hz139.7 dB
Output SPL at 125 Hz138.0 dB
Weight177 lbs / 80.3 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.