Short answer: both are discontinued, so this only matters if you are buying used. Used, the KEF R5 is the better pick: it ranks #40 of 188 floorstanding speakers by sound quality (rated 4.4/5), against #124 (rated 3.8/5) for the Definitive Technology BP-9020. If you want one new, the Revel Concerta2 F35 ranks #30 at $900.
The KEF R5 is the more accurate choice. Slim three-way tower with the acoustic advantages of KEF’s coincident Uni-Q midrange/tweeter: horizontal and vertical off-axis responses track the direct sound smoothly, producing stable imaging and a well-behaved directivity index. Its measured preference score, a predictor of how neutral it sounds, is 5.78 against 5.08 for the Definitive Technology BP-9020. The catch: The unusual gap between 77Hz F3 and 33Hz F10 indicates a gradual bass contour rather than flat deep-bass output; a subwoofer and roughly 80Hz high-pass are recommended for high-level playback.
The Definitive Technology BP-9020 is the deeper-bass option. 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. Its bass reaches about 35Hz before falling 3dB, against 77Hz for the KEF R5. The catch: Significant high-frequency boost creates notable treble brightness and noticeable sibilance on vocal s-sounds.
Buy the KEF R5 only if you find one used in good condition; both are discontinued, and it is the better rated of the two. For a new speaker, start with the Revel Concerta2 F35 instead.
Want more options? Browse the full Passive Home rankings.
Specifications Side By Side
| KEF R5 | Definitive Technology BP-9020 | |
|---|---|---|
| Price | $2,999 per pair Discontinued | $500 per pair Discontinued |
| Ranked | #40 of 188 in Large Size Floorstanding Speakers | #124 of 188 in Large Size Floorstanding Speakers |
| Bass Extension (-3dB) | 77Hz (measured, Erin’s Audio Corner) | 35Hz (measured, Erin’s Audio Corner) |
| Bass Extension (-10dB) | 33Hz (measured, Erin’s Audio Corner) | 29Hz (measured, Erin’s Audio Corner) |
| Sensitivity | Approximately 86dB/2.83V/1m (measured, Erin’s Audio Corner) | 87.7dB (measured average, Erin’s Audio Corner) |
| Impedance | Approximately 3.5 ohms minimum near 150Hz (measured, Erin’s Audio Corner) | 8 ohms nominal |
| Drivers | 1” aluminum tweeter coaxial with 5” midrange; dual 5.25” woofers | 1 in. annealed aluminum dome tweeter, two 3.5 in. BDSS midrange (front), one 3.5 in. BDSS midrange (rear), 8 in. powered subwoofer |
| Dimensions | 40.4”H x 6.9”W x 13.5”D | 35.3”H x 11”W x 13”D (895.4 x 279.4 x 330.2 mm) |
| Weight | 59.5 lbs (27 kg) each | 30 lbs (13.6 kg) each |
| Woofer Cabinet | ported, rear | ported, slot |
| Spinorama Preference Score | 5.78 | 5.08 |
| Spinorama Preference Score with Perfect Sub | 7.40 | 6.53 |
| DIY Kit | No | No |
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Prices on this page were last checked October 9, 2026 at 8:01 AM 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 R5: $2,999 per pair Discontinued eBay
Same family: the KEF R3 (bookshelf, rated 4.5/5), the KEF R7 (larger floorstanding, ranked lower, estimated 4.2/5), the KEF R11 (larger floorstanding, ranked lower, estimated 4.3/5) and the KEF R2c (center, rated 4/5).
Pros: Slim three-way tower with the acoustic advantages of KEF’s coincident Uni-Q midrange/tweeter: horizontal and vertical off-axis responses track the direct sound smoothly, producing stable imaging and a well-behaved directivity index. Erin measured deep low-frequency reach for the cabinet width (77Hz F3 but 33Hz F10) and less than 1% harmonic distortion at 86dB. At 96dB it remains clean when high-passed, and its mild response deviations are suitable for equalization because the radiation pattern stays orderly. Measured bass extension of 77Hz (-3dB), with a measured sensitivity of 86dB.
Cons: The unusual gap between 77Hz F3 and 33Hz F10 indicates a gradual bass contour rather than flat deep-bass output; a subwoofer and roughly 80Hz high-pass are recommended for high-level playback. Erin measured a minimum near 3.5 ohms around 150Hz, although most of the curve remains above 4 ohms, so amplifier quality still matters. Sensitivity is approximately 86dB/2.83V/1m. At 102dB, compression reaches roughly 1dB around 150Hz, showing the limits of the twin 5.25-inch woofers. This original model lacks the Meta version’s MAT rear-wave absorption. Discontinued.
Full KEF R5 review and specifications →
| Bass Extension (-10dB) | 33Hz (measured, Erin’s Audio Corner) |
|---|---|
| Bass Extension (-3dB) | 77Hz (measured, Erin’s Audio Corner) |
| DIY Kit | No |
| Dimensions | 40.4”H x 6.9”W x 13.5”D |
| Drivers | 1” aluminum tweeter coaxial with 5” midrange; dual 5.25” woofers |
| Impedance | Approximately 3.5 ohms minimum near 150Hz (measured, Erin’s Audio Corner) |
| Sensitivity | Approximately 86dB/2.83V/1m (measured, Erin’s Audio Corner) |
| Spinorama Preference Score | 5.78 |
| Spinorama Preference Score with Perfect Sub | 7.40 |
| Weight | 59.5 lbs (27 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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