The KEF Q100 ranks #68 out of 87 total Medium Size Bookshelf Speakers for sound quality. See Top Recommended Speakers By Attribute for all the top speaker suggestions.
Brand: KEF
Prices on this page were last checked September 11, 2026 at 8:40 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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#68 KEF Q100: $550 per pair Discontinued eBay
Pros: 5.25” Uni-Q coaxial driver keeps the tweeter and woofer point-source aligned for consistent imaging. 86dB sensitivity is reasonably easy to drive.
Cons: CEA2034 spinorama shows broad, audible deviations from flat rather than narrow peaks: a lift from 700Hz-1.5kHz and again from 5kHz up, plus a cancellation notch around 1.4kHz from port/cabinet interaction. Bass sensitivity drops to about 80dB and impedance falls below 4 ohms in the bass, demanding a capable amplifier. The reviewer heard boomy, buzzing bass that improved somewhat with the port plugged, and could not recommend it, calling the famous reputation more about looks than sound. Discontinued.
How it compares: Just above it: ELAC Uni-Fi 2.0 UB52 - $49 more, 1.7Hz lower bass extension (-3dB). Just below it: Q Acoustics 3020i - $235 cheaper, 1Hz higher bass extension (-3dB).
| Bass Extension (-10dB) | 65Hz (measured, Audio Science Review) |
|---|---|
| Bass Extension (-3dB) | 85Hz (measured, Audio Science Review) |
| Dimensions | 11.8"H x 7.1"W x 10.7"D (300 x 180 x 272 mm) |
| Discontinued | Yes |
| Drivers | 5.25" Uni-Q aluminum coaxial driver, 1" aluminum dome tweeter |
| Frequency Response | 49Hz - 40kHz (+/-3dB) (Manufacturer specified) |
| Impedance | 8 ohms nominal |
| Sensitivity | 85dB (2.83V/1m, measured, Audio Science Review) |
| Weight | 13 lbs / 5.9 kg each |
| Woofer Cabinet | ported, rear |
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