Short answer: the KEF R11 Meta for balanced treble, the Definitive Technology BP-9020 for built-in sub-bass. The BP-9020’s powered 8” side-firing subwoofer and 150-watt Class D amplifier reach an F3 of 35Hz and F10 of 29Hz without a separate enclosure, but a significant high-frequency boost brings treble brightness and sibilance. The KEF’s spinorama is generally flat on-axis with very deep bass to an F10 of 30Hz, blemished by a dip around 1-1.2kHz.
Buy the KEF R11 Meta. It is rated higher for sound quality and still sold new, while the Definitive Technology BP-9020 is discontinued.
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Specifications Side By Side
| KEF R11 Meta | Definitive Technology BP-9020 | |
|---|---|---|
| Price | $6,999.98 per pair | $500 per pair Discontinued |
| Ranked | #31 of 89 in Large Size Floorstanding Speakers | #62 of 89 in Large Size Floorstanding Speakers |
| Bass Extension (-10dB) | 31Hz (measured, Audio Science Review) | 29Hz (measured, Erin’s Audio Corner) |
| Bass Extension (-3dB) | 64Hz (measured, Audio Science Review) | 35Hz (measured, Erin’s Audio Corner) |
| Dimensions | 51”H x 12.2”W x 15.1”D (1295.4 x 309.9 x 383.5 mm) | 35.3”H x 11”W x 13”D (895.4 x 279.4 x 330.2 mm) |
| Impedance | 4 ohms | 8 ohms nominal |
| 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 | 1 in. annealed aluminum dome tweeter, two 3.5 in. BDSS midrange (front), one 3.5 in. BDSS midrange (rear), 8 in. powered subwoofer |
| Sensitivity | 89.5dB | 87.7dB (measured average, Erin’s Audio Corner) |
| Weight | 80.5 lbs (36.5 kg) each | 30 lbs (13.6 kg) each |
| Woofer Cabinet | ported, rear | ported, slot |
| Spinorama Preference Score | 5.91 | 5.08 |
| Spinorama Preference Score with Perfect Sub | 7.32 | 6.53 |
| DIY Kit | No | No |
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Prices on this page were last checked October 3, 2026 at 10:26 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 eBay
Smaller models: the KEF R7 Meta (ranked higher, estimated 4.6/5) and the KEF R3 Meta (rated 4.6/5).
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 →
| 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
Definitive Technology BP-9020: $500 per pair Discontinued eBay
Pros: Integrated powered 8” side-firing subwoofer with a 150-watt Class D amplifier provides exceptional sub-bass extension down to an F3 of 35Hz and F10 of 29Hz without requiring a standalone subwoofer enclosure. Forward-Focused Bipolar Array technology (dual 3.5” front midrange drivers + 1” annealed aluminum dome tweeter, plus a 3.5” rear-firing midrange driver) creates a remarkably wide, spacious soundstage with broad room envelopment. On-axis frequency response stays smooth and relatively neutral when listened to directly aligned with the tweeter. Measured average sensitivity of 87.7dB SPL (2.83V/1m) allows comfortable drive from standard multi-channel receivers. Measured bass extension of 35Hz (-3dB), with a measured sensitivity of 87.7dB.
Cons: Significant high-frequency boost creates notable treble brightness and noticeable sibilance on vocal s-sounds. Bipolar rear driver radiation creates a diffuse soundstage that compromises razor-sharp imaging focus and pinpoint instrument placement. DSP-based internal limiter aggressively compresses output below 80Hz at higher listening levels, causing lower mid-bass and sub-bass impact to diminish as volume increases. Midrange clarity shows slight ‘cuppiness’ and upper-frequency directivity irregularities due to front/rear driver interaction. Discontinued.
Full Definitive Technology BP-9020 review and specifications →
| Bass Extension (-10dB) | 29Hz (measured, Erin’s Audio Corner) |
|---|---|
| Bass Extension (-3dB) | 35Hz (measured, Erin’s Audio Corner) |
| DIY Kit | No |
| Dimensions | 35.3”H x 11”W x 13”D (895.4 x 279.4 x 330.2 mm) |
| Drivers | 1 in. annealed aluminum dome tweeter, two 3.5 in. BDSS midrange (front), one 3.5 in. BDSS midrange (rear), 8 in. powered subwoofer |
| Impedance | 8 ohms nominal |
| Sensitivity | 87.7dB (measured average, Erin’s Audio Corner) |
| Spinorama Preference Score | 5.08 |
| Spinorama Preference Score with Perfect Sub | 6.53 |
| Weight | 30 lbs (13.6 kg) each |
| Woofer Cabinet | ported, slot |
- Links
- Reviews, Comparisons and Sound Samples
- Head-to-Head Comparisons
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