Short answer: the ELAC SUB1010, if you are buying new. The Definitive Technology SuperCube 2000 ranks higher than it (#5 vs #36 of 73 subwoofers, 3.7/5 vs 3.3/5) but is discontinued, so only consider it used; the ELAC SUB1010 is still sold new at $550.

Buy the ELAC SUB1010 new; the Definitive Technology SuperCube 2000 is no longer sold new, so it only makes sense as a used find.
Looking for alternatives? See the complete Subwoofers rankings.
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Specifications Side By Side
| Definitive Technology SuperCube 2000 | ELAC SUB1010 | |
|---|---|---|
| Price | $599 Discontinued | $550 |
| Ranked | #5 of 73 in Small Home Subwoofers (Under 30 lbs) | #36 of 73 in Small Home Subwoofers (Under 30 lbs) |
| Enclosure | passive radiator | ported, rear |
| Output SPL at 20 Hz | 80.1 dB | - |
| Output SPL at 25 Hz | 94.7 dB | - |
| Output SPL at 31.5 Hz | 103.6 dB | 96.5 dB |
| Output SPL at 40 Hz | 109.4 dB | 102.7 dB |
| Output SPL at 50 Hz | 115.0 dB | 107.0 dB |
| Output SPL at 63 Hz | 116.3 dB | 110.8 dB |
| Output SPL at 80 Hz | 116.3 dB | 111.9 dB |
| CEA-2010-A Average (40-80Hz) | 114.2 dB | 108.1 dB |
| Dimensions | 10.8”H x 10.2”W x 10.9”D (273.1 x 260.3 x 276.4 mm) | 14.8”H x 12.2”W x 12.2”D (376.2 x 309.4 x 309.4 mm) |
| Warranty | 5/3 | 3/1 |
| Cabinet Color | black | black |
| Country | United States | Germany |
| Measurement Source | Brent Butterworth | ErinsAudioCorner |
| Weight | 24.9 lbs (11.3 kg) | 21.8 lbs (9.9 kg) |
| Drivers | 7.5” (190mm) driver | 10” (254mm) driver |
| Output SPL at 100 Hz | - | 111.2 dB |
| Output SPL at 125 Hz | - | 109.5 dB |
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