Definitive Technology SuperCube 8000 Review: #35 of 145

Last updated: September 13, 2026

The Definitive Technology SuperCube 8000 ranks #35 out of 145 total Medium Home Subwoofers (30-75 lbs) for sound quality. See all Subwoofers rankings for every top pick.

Brand: Definitive Technology

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Definitive Technology SuperCube 8000 - ranked #35 of 145 Medium Home Subwoofers (30-75 lbs) · Editor's rating 3.9/5

#35 Definitive Technology SuperCube 8000: $1299 Discontinued eBay

Pros: Fills large spaces with loud, extended musical bass in just 1.8 sq ft footprint. Delivers impactful notes, not just thuds. Totally inert cabinet construction nearly 2” thick with internal braces.

Cons: Discontinued.

Related speakers: Definitive Technology SuperCube 2000.

How it compares: Just above it: SVS SB-2000 - $400 cheaper. Just below it: Bose Lifestyle Ultra Subwoofer - $400 cheaper, 2.3dB less max output.

Amplifier Power1500W peak
CEA-2010-A Average (40-80Hz)117.7 dB (avg of 3/4 bands)
Cabinet Colorblack
CountryUnited States
Dimensions16.3"H x 15.2"W x 16"D (412.8 x 387.3 x 406.4 mm)
DiscontinuedYes
Drivers11" (279mm) driver
Enclosurepassive radiator
Frequency Response12-200Hz
Measurement SourceBrent Butterworth
Output SPL at 20 Hz102.0 dB
Output SPL at 25 Hz107.4 dB
Output SPL at 31.5 Hz108.6 dB
Output SPL at 40 Hz117.2 dB
Output SPL at 50 Hz118.6 dB
Output SPL at 63 Hz117.2 dB
Warranty5/3
Weight67 lbs (30.4 kg)

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