Sonus Faber Gravis VI Review: Ranked #110 of 110

Last updated: September 13, 2026

The Sonus Faber Gravis VI ranks #110 out of 110 total Large Home Subwoofers (Over 75 lbs) for sound quality. See all Subwoofers rankings for every top pick.

Brand: Sonus Faber

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Sonus Faber Gravis VI - ranked #110 of 110 Large Home Subwoofers (Over 75 lbs) · Editor's rating 3.2/5

#110 Sonus Faber Gravis VI: $7,978.80 Discontinued eBay

Pros: Independent CEA-2010 testing records 86.0 dB at 20 Hz and 106.3 dB (avg of 3/4 bands) through 40-80 Hz. The sealed enclosure with 2x 12” (305mm) driver delivers substantial upper-bass output for movie effects and music.

Cons: Deep-bass output is more limited than the strong 40-80 Hz result suggests, so it is not the right choice when the lowest movie effects are the priority. The 614.7H x 447.0W x 584.2D mm cabinet and 52.0 kg mass still require deliberate placement and calibration. Discontinued.

How it compares: Just above it: Monoprice THX 121456 - $7080 cheaper, 1.7dB more max output.

CEA-2010-A Average (40-80Hz)106.3 dB (avg of 3/4 bands)
Cabinet Colorblack, wood
CountryItaly
Dimensions24.2"H x 17.6"W x 23"D (614.7 x 447.0 x 584.2 mm)
DiscontinuedYes
Drivers2x 12" (305mm) driver
Enclosuresealed
Measurement SourceDennis Burger
Output SPL at 20 Hz86.0 dB
Output SPL at 25 Hz99.0 dB
Output SPL at 31.5 Hz101.0 dB
Output SPL at 40 Hz104.0 dB
Output SPL at 50 Hz107.0 dB
Output SPL at 63 Hz108.0 dB
Weight114.6 lbs (52.0 kg)

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