JL Audio Dominion d108 vs Rythmik F12

Last updated: October 21, 2026

Short answer: the Rythmik F12. It ranks #21 of 212 subwoofers by sound quality, rated 4.1/5, at $1,439. The JL Audio Dominion d108 ranks #58, rated 2.9/5, at $1,000, $439 cheaper, which does not close the gap in sound quality.

JL Audio Dominion d108 vs Rythmik F12

Buy the Rythmik F12. It is rated higher for sound quality, and the $439 saving on the JL Audio Dominion d108 is not enough to make up the difference.

Want more options? Browse the full Subwoofers rankings.

Prices on this page were last checked November 7, 2026 at 7:34 PM 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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Specifications Side By Side

JL Audio Dominion d108 Rythmik F12
Price$1,000.00$1,439
Ranked#58 of 73 in Small Home Subwoofers (Under 30 lbs)#21 of 212 in Medium Home Subwoofers (30-75 lbs)
Enclosuresealedsealed
Output SPL at 20 Hz79.7 dB103.6 dB
Output SPL at 25 Hz85.8 dB106.7 dB
Output SPL at 31.5 Hz91.5 dB113.5 dB
Output SPL at 40 Hz98.4 dB118.3 dB
Output SPL at 50 Hz102.9 dB119.1 dB
Output SPL at 63 Hz105.6 dB120.4 dB
Output SPL at 80 Hz105.0 dB119.6 dB
Output SPL at 100 Hz103.9 dB-
CEA-2010-A Average (40-80Hz)103.0 dB119.3 dB
Dimensions11.4”H x 10”W x 13.2”D (288.8 x 254.0 x 336.0 mm)15.7”H x 15.7”W x 17”D (400.0 x 400.0 x 431.8 mm)
Weight26.5 lbs (12.0 kg)75 lbs (34.0 kg)
Warranty35/3
Cabinet Colorblackblack
CountryUnited StatesUnited States
Measurement SourceErinsAudioCornerBrent Butterworth
Drivers8” (203mm) driver12” (305mm) driver
Amplifier Power-370W RMS
Frequency Response-14Hz extension
Output SPL at 16 Hz-101.0 dB
Inputs-XLR (2), RCA (line/LFE)
XLR Input-Yes
RCA Input-Yes
TRS Input-No
Optical Input-No
Coaxial Input-No
USB Input-No
HDMI Input-No
AES Input-No
Aux Input-No

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