Short answer: the SVS 3000 Micro. It ranks #6 of 73 subwoofers by sound quality, rated 3.7/5, at $799. The KEF Kube 8 MIE ranks #21, rated 3.6/5, at $699.99, $99.01 cheaper, which does not close the gap in sound quality.
The case for the SVS 3000 Micro: Independent CEA-2010 testing records 90.6 dB at 20 Hz and 113.5 dB through 40-80 Hz. Watch for: 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.
Why pick the KEF Kube 8 MIE: Compact sealed enclosure with an 8-inch front-firing long-throw driver powered by a 300W Class-D amplifier. The catch: 8-inch sealed driver rolls off below 34Hz (-6dB) and tops out at 105dB max SPL, which limits visceral home-theater infrasonic punch in medium to large rooms compared with larger subwoofers.
Buy the SVS 3000 Micro. It is rated higher for sound quality, and saving $99.01 with the KEF Kube 8 MIE does not make up for the sound-quality gap.
About the ratings: the KEF Kube 8 MIE’s rating is estimated from measured siblings and predecessors rather than its own measurements, with a likely range of 3.4 to 3.8, so this verdict could change once it is measured.
Still deciding? The full Subwoofers rankings cover every ranked option.
Specifications Side By Side
| SVS 3000 Micro | KEF Kube 8 MIE | |
|---|---|---|
| Price | $799.00 | $699.99 |
| Ranked | #6 of 73 in Small Home Subwoofers (Under 30 lbs) | #21 of 73 in Small Home Subwoofers (Under 30 lbs) Estimated |
| Enclosure | sealed | sealed |
| Output SPL at 20 Hz | 90.6 dB | - |
| Output SPL at 25 Hz | 92.9 dB | - |
| Output SPL at 31.5 Hz | 98.3 dB | - |
| Output SPL at 40 Hz | 103.6 dB | - |
| Output SPL at 50 Hz | 110.7 dB | - |
| Output SPL at 63 Hz | 117.5 dB | - |
| Output SPL at 80 Hz | 122.1 dB | - |
| CEA-2010-A Average (40-80Hz) | 113.5 dB | - |
| Dimensions | 10.9”H x 11.7”W x 10.7”D (276.9 x 297.2 x 271.8 mm) | 11.5”H x 11.5”W x 12.2”D (293 x 293 x 310 mm) |
| Weight | 22.5 lbs (10.2 kg) | 20.7 lbs (9.4 kg) |
| Warranty | 5 | 5/2 |
| Cabinet Color | black, white | black |
| Country | United States | United Kingdom |
| Measurement Source | Brent Butterworth | - |
| Drivers | 2x 8” (203mm) driver | 8” driver |
| Amplifier Power | - | 300W |
| Frequency Response | - | 34Hz - 140Hz (-6dB) (manufacturer specified) |
| Maximum SPL | - | 105 dB |
Related Speaker Comparisons
More worthwhile head-to-heads for SVS 3000 Micro:
- SVS 3000 Micro vs SVS SB-1000
- SVS 3000 Micro vs Onkyo SKW-204
- SVS 3000 Micro vs SVS SB-1000 PRO
- SVS 3000 Micro vs SVS 3000 Micro R|Evolution
- SVS 3000 Micro vs Velodyne Acoustics SPL-1200 Series II
Prices on this page were last checked October 11, 2026 at 4:59 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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The Two Speakers In Full
SVS 3000 Micro: $799.00 Amazon eBay
Newer model: the SVS 3000 Micro R|Evolution, ranked lower, estimated 3.7/5, released Apr 2026. See every SVS 3000 Micro generation.
Pros: Independent CEA-2010 testing records 90.6 dB at 20 Hz and 113.5 dB through 40-80 Hz. The sealed enclosure with 2x 8” (203mm) 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 276.9H x 297.2W x 271.8D mm cabinet and 10.2 kg mass still require deliberate placement and calibration.
Full SVS 3000 Micro review and specifications →
| Released | Mar 2021 (5 years ago) |
|---|---|
| CEA-2010-A Average (40-80Hz) | 113.5 dB |
| Cabinet Color | black, white |
| Country | United States |
| Dimensions | 10.9”H x 11.7”W x 10.7”D (276.9 x 297.2 x 271.8 mm) |
| Drivers | 2x 8” (203mm) driver |
| Enclosure | sealed |
| Measurement Source | Brent Butterworth |
| Output SPL at 20 Hz | 90.6 dB |
| Output SPL at 25 Hz | 92.9 dB |
| Output SPL at 31.5 Hz | 98.3 dB |
| Output SPL at 40 Hz | 103.6 dB |
| Output SPL at 50 Hz | 110.7 dB |
| Output SPL at 63 Hz | 117.5 dB |
| Output SPL at 80 Hz | 122.1 dB |
| Warranty | 5 |
| Weight | 22.5 lbs (10.2 kg) |
- Links
- Reviews, Comparisons and Sound Samples
- Head-to-Head Comparisons
- SVS 3000 Micro vs SVS SB-1000 PRO
- SVS 3000 Micro vs Onkyo SKW-204
- SVS 3000 Micro vs SVS 3000 Micro R|Evolution
- SVS 3000 Micro vs SVS SB-1000
- SVS 3000 Micro vs Velodyne Acoustics SPL-1200 Series II
- SVS 3000 Micro vs Klipsch Flexus Sub 100
- SVS 3000 Micro vs Polk Audio PSW10
- SVS 3000 Micro vs GoldenEar ForceField 3
- See all 18 comparisons
KEF Kube 8 MIE: $699.99 Estimated Amazon KEF eBay
Same family: the KEF Kube 10 MIE (larger subwoofer, ranked higher, estimated 3.7/5), the KEF Kube 12 MIE (larger subwoofer, estimated 3.7/5) and the KEF Kube 15 MIE (larger subwoofer, estimated 3.8/5). See every KEF Kube generation.
Pros: Compact sealed enclosure with an 8-inch front-firing long-throw driver powered by a 300W Class-D amplifier. KEF Music Integrity Engine (MIE) DSP algorithm applies real-time iBX dynamic bass extension and three room-position EQ presets (wall/corner/cabinet). Accepts speaker-level and line-level inputs, plus KEF KW1 wireless kit integration.
Cons: 8-inch sealed driver rolls off below 34Hz (-6dB) and tops out at 105dB max SPL, which limits visceral home-theater infrasonic punch in medium to large rooms compared with larger subwoofers.
Full KEF Kube 8 MIE review and specifications →
| Released | Mar 2024 (2 years ago) |
|---|---|
| Amplifier Power | 300W |
| Cabinet Color | black |
| Country | United Kingdom |
| Dimensions | 11.5”H x 11.5”W x 12.2”D (293 x 293 x 310 mm) |
| Drivers | 8” driver |
| Enclosure | sealed |
| Frequency Response | 34Hz - 140Hz (-6dB) (manufacturer specified) |
| Maximum SPL | 105 dB |
| Warranty | 5/2 |
| Weight | 20.7 lbs (9.4 kg) |
- Links
- Reviews, Comparisons and Sound Samples
- No independent measurement review is linked for this model; it is ranked from hands-on listening and comparison against similarly priced speakers.
- Head-to-Head Comparisons