Short answer: the KEF R11 Meta. It ranks #46 of 226 floorstanding speakers by sound quality (rated 4.4/5) at $6,999.98 and is still sold new; the KEF R11 ranks #73 (rated 4.3/5) and is discontinued, so it is only an option used.
Why pick the KEF R11 Meta: CEA2034 spinorama shows a generally flat on-axis response with good directivity and very deep bass extension (F10 of 30Hz). The tradeoff: A dip around 1-1.2kHz on-axis is attributed to a diffraction effect, and shows up as a smaller dip in the predicted in-room response.
What the KEF R11 does well: A slim three-way tower with KEF’s Uni-Q array, a 1” aluminium tweeter inside a 5” aluminium midrange, and four 6.5” hybrid aluminium woofers. The tradeoff: Only data from KEF’s white paper exists and spinorama.org could not compute a score from it, so the rating is estimated from its measured successor, the KEF R11 Meta.
Buy the KEF R11 Meta. It is rated higher for sound quality; the KEF R11 is no longer sold new.
Worth knowing: the KEF R11 has not been measured yet. Its rating is estimated from related models, with a likely range of 4.0 to 4.6, so treat this verdict as provisional.
Want more options? Browse the full Passive Home rankings.
Specifications Side By Side
| KEF R11 Meta | KEF R11 | |
|---|---|---|
| Price | $6,999.98 per pair | $5,000 per pair Discontinued |
| Ranked | #46 of 226 in Large Size Floorstanding Speakers | #73 of 226 in Large Size Floorstanding Speakers Estimated |
| Bass Extension (-10dB) | 31Hz (measured, Audio Science Review) | - |
| Bass Extension (-3dB) | 64Hz (measured, Audio Science Review) | 46Hz (manufacturer specified) |
| Dimensions | 51”H x 12.2”W x 15.1”D (1295.4 x 309.9 x 383.5 mm) | 51”H x 12.2”W x 15.1”D (1296 x 311 x 384 mm) (with plinth) |
| Impedance | 4 ohms | 8 ohms nominal (3.2 ohms minimum) |
| Drivers | 4 x 165 mm (6.5 in.) hybrid aluminium cone woofers, 125 mm (5 in.) aluminium cone midrange, 25 mm (1 in.) vented aluminium dome with MAT tweeter | Uni-Q array: 1” (25mm) vented aluminium dome tweeter, 5” (125mm) aluminium midrange; 4x 6.5” (165mm) hybrid aluminium woofers |
| Sensitivity | 89.5dB | 90dB (2.83V/1m, manufacturer specified) |
| Weight | 80.5 lbs (36.5 kg) each | 83.1 lbs (37.7 kg) each |
| Woofer Cabinet | ported, rear | ported, rear |
| Spinorama Preference Score | 5.91 | - |
| Spinorama Preference Score with Perfect Sub | 7.32 | - |
| DIY Kit | No | No |
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Prices on this page were last checked October 14, 2026 at 2:38 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
KEF R11 Meta: $6,999.98 per pair Amazon $3,499.99 eBay
Older model: the KEF R11 (ranked lower, estimated 4.3/5). See every KEF R Series generation.
Same family: the KEF R3 Meta (bookshelf, rated 4.6/5), the KEF R5 Meta (smaller floorstanding, ranked higher, rated 4.6/5), the KEF R7 Meta (smaller floorstanding, ranked higher, estimated 4.6/5), the KEF R2 Meta (smaller center, rated 4.3/5) and the KEF R6 Meta (larger center, rated 4.2/5).
Pros: CEA2034 spinorama shows a generally flat on-axis response with good directivity and very deep bass extension (F10 of 30Hz). Predicted in-room response is very smooth aside from the small 1-1.5kHz dip. The coaxial Uni-Q driver gives excellent, symmetric vertical directivity, unusual for a tower speaker. Distortion is incredibly low even down to 30Hz at 86dB SPL/1m, and stays low even at 96dB and 102dB SPL/1m: the reviewer found essentially no audible tonality change across that whole output range. Measured bass extension of 64Hz (-3dB).
Cons: A dip around 1-1.2kHz on-axis is attributed to a diffraction effect, and shows up as a smaller dip in the predicted in-room response. Horizontal beamwidth of about ±40 degrees is on the narrower side, though the transition from wide to constant directivity is smooth. Minimum impedance dips to 3.2 ohms around 580Hz, calling for an amplifier comfortable with a demanding load. 4-ohm nominal impedance overall.
Full KEF R11 Meta review and specifications →
| Released | Mar 2023 (3 years ago) |
|---|---|
| Bass Extension (-10dB) | 31Hz (measured, Audio Science Review) |
| Bass Extension (-3dB) | 64Hz (measured, Audio Science Review) |
| DIY Kit | No |
| Dimensions | 51”H x 12.2”W x 15.1”D (1295.4 x 309.9 x 383.5 mm) |
| Drivers | 4 x 165 mm (6.5 in.) hybrid aluminium cone woofers, 125 mm (5 in.) aluminium cone midrange, 25 mm (1 in.) vented aluminium dome with MAT tweeter |
| Impedance | 4 ohms |
| Sensitivity | 89.5dB |
| Spinorama Preference Score | 5.91 |
| Spinorama Preference Score with Perfect Sub | 7.32 |
| Weight | 80.5 lbs (36.5 kg) each |
| Woofer Cabinet | ported, rear |
- Links
- Reviews, Comparisons and Sound Samples
- Head-to-Head Comparisons
KEF R11: $5,000 per pair Discontinued eBay
Newer model: the KEF R11 Meta, ranked higher, rated 4.4/5, released Mar 2023. See every KEF R Series generation.
Same family: the KEF R3 (bookshelf, rated 4.5/5), the KEF R5 (smaller floorstanding, ranked higher, rated 4.4/5), the KEF R7 (smaller floorstanding, ranked lower, estimated 4.2/5) and the KEF R2c (center, rated 4/5).
Pros: A slim three-way tower with KEF’s Uni-Q array, a 1” aluminium tweeter inside a 5” aluminium midrange, and four 6.5” hybrid aluminium woofers. Sensitivity is 90dB, and the four woofers give it high output for its width.
Cons: Only data from KEF’s white paper exists and spinorama.org could not compute a score from it, so the rating is estimated from its measured successor, the KEF R11 Meta. Impedance dips to 3.2 ohms, and it weighs 37.7kg each. Discontinued.
Full KEF R11 review and specifications →
| Released | Dec 2018 (7 years ago) |
|---|---|
| Bass Extension (-3dB) | 46Hz (manufacturer specified) |
| DIY Kit | No |
| Dimensions | 51”H x 12.2”W x 15.1”D (1296 x 311 x 384 mm) (with plinth) |
| Drivers | Uni-Q array: 1” (25mm) vented aluminium dome tweeter, 5” (125mm) aluminium midrange; 4x 6.5” (165mm) hybrid aluminium woofers |
| Impedance | 8 ohms nominal (3.2 ohms minimum) |
| Sensitivity | 90dB (2.83V/1m, manufacturer specified) |
| Weight | 83.1 lbs (37.7 kg) each |
| Woofer Cabinet | ported, rear |
- Reviews, Comparisons and Sound Samples