Short answer: the KEF R5 Meta. It ranks #8 of 56 floorstanding speakers by sound quality at $3999.99; the KEF Reference 203 ranks #12 and costs $5000, so there is not much of a tradeoff to weigh.
The case for the KEF R5 Meta: 12th generation 5” Uni-Q coaxial driver array with Metamaterial Absorption Technology (MAT) delivers remarkably smooth, controlled horizontal (±50°) and vertical directivity with near-identical off-axis tracking. The tradeoff: Low-frequency extension (F3 of 52Hz, F10 of 38Hz) requires pairing with a dedicated subwoofer crossed over at 80Hz for high-output home theater or bass-heavy music performance.
What the KEF Reference 203 gets right: An unusually accomplished 4-way design for its era: excellent on-axis linearity (within about +/-3dB), genuinely good directivity both horizontally (~55 degrees) and vertically (~40-50 degrees). The catch: This is a 20+ year old, long-discontinued speaker only findable secondhand (Facebook Marketplace, Craigslist, audio forums) - condition, driver matching, and component aging vary by unit.
Buy the KEF R5 Meta. It ranks higher for sound quality than the KEF Reference 203 and costs less, so there is no real case for the other one.
Specifications Side By Side
| KEF R5 Meta | KEF Reference 203 | |
|---|---|---|
| Price | $3,999.99 Discontinued | $5000 Discontinued |
| Ranked | #8 of 56 in Large Size Floorstanding Speakers | #12 of 56 in Large Size Floorstanding Speakers |
| Bass Extension (-10dB) | 38Hz (measured, Erin’s Audio Corner) | 37Hz (measured, Erin’s Audio Corner) |
| Bass Extension (-3dB) | 52Hz (measured, Erin’s Audio Corner) | 51Hz (measured, Erin’s Audio Corner) |
| Dimensions | 42.2"H x 10.7"W x 13.6"D (1073 x 273 x 346 mm) | 1067H mm (42" tall) |
| Discontinued | Yes | Yes |
| Impedance | 4 ohms nominal | 8 ohms nominal (3.6 ohms minimum, measured, Erin’s Audio Corner; 3.2 ohms per manufacturer spec) |
| Sensitivity | 86dB (measured average, Erin’s Audio Corner) | 88dB (2.83V/1m, measured by Erin’s Audio Corner) |
| Drivers | 1 in. vented aluminum dome tweeter with MAT, 5 in. aluminum cone midrange, two 5.25 in. hybrid aluminum cone woofers | 1x 0.75" supertweeter, coaxial 1" dome tweeter + 6.5" midrange, 2x 6.5" woofers |
| Weight | 54 lbs / 24.5 kg each | 58 lbs / 26.3 kg (58 lb) |
| Woofer Cabinet | ported, rear | Bass reflex, with switchable flat/cut/lifted bass ports for wall placement |
| Crossover Frequency | - | 400Hz, 2.7kHz, 15kHz |
| Frequency Response | - | 55Hz - 55kHz ±3dB (Manufacturer specified) |
| Recommended Power | - | 50-200W |
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- JBL HDI-3800 vs KEF R5 Meta
- KEF Reference 203 vs JBL HDI-3600
The Two Speakers In Full
KEF R5 Meta: $3,999.99 Discontinued
Pros: 12th generation 5” Uni-Q coaxial driver array with Metamaterial Absorption Technology (MAT) delivers remarkably smooth, controlled horizontal (±50°) and vertical directivity with near-identical off-axis tracking. Exceptional frequency response linearity through the midrange and treble that takes extremely well to minor parametric EQ adjustments. Constrained Layer Damping cabinet construction and flexible rear ports minimize enclosure resonances and port turbulence. Deliberately tuned low-frequency roll-off profile permits boundary-adjacent room placement near front walls without boomy acoustic buildup.
Cons: Low-frequency extension (F3 of 52Hz, F10 of 38Hz) requires pairing with a dedicated subwoofer crossed over at 80Hz for high-output home theater or bass-heavy music performance. High-frequency radiation above 7kHz shows a mild on-axis taper (1-2dB downward slope), performing best when listened to 10-20° off-axis. Moderate sensitivity (~86dB SPL average) requires a clean, robust 4-ohm capable amplifier to drive high dynamic peaks without clipping. Discontinued.
Full KEF R5 Meta review and specifications →
| Bass Extension (-10dB) | 38Hz (measured, Erin's Audio Corner) |
|---|---|
| Bass Extension (-3dB) | 52Hz (measured, Erin's Audio Corner) |
| Dimensions | 42.2"H x 10.7"W x 13.6"D (1073 x 273 x 346 mm) |
| Discontinued | Yes |
| Drivers | 1 in. vented aluminum dome tweeter with MAT, 5 in. aluminum cone midrange, two 5.25 in. hybrid aluminum cone woofers |
| Impedance | 4 ohms nominal |
| Sensitivity | 86dB (measured average, Erin's Audio Corner) |
| Weight | 54 lbs / 24.5 kg each |
| Woofer Cabinet | ported, rear |
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KEF Reference 203: $5000 Discontinued
Pros: An unusually accomplished 4-way design for its era: excellent on-axis linearity (within about +/-3dB), genuinely good directivity both horizontally (~55 degrees) and vertically (~40-50 degrees), and an estimated in-room response that closely matches what the reviewer actually heard. Distortion is excellent - under 1% harmonic above 80Hz at both 86dB and 96dB, and multitone stays around 1% even at 96dB. Bass reaches a real F3 of 51Hz (F10 37Hz), with in-room extension into the low-mid-40s. The reviewer’s overall listening notes were essentially “nothing stood out bad or good” - a genuinely neutral, accurate speaker with a distinctive rounded-baffle look that avoids the diffraction issues a flat baffle this wide would normally have.
Cons: This is a 20+ year old, long-discontinued speaker only findable secondhand (Facebook Marketplace, Craigslist, audio forums) - condition, driver matching, and component aging vary by unit, so audition before buying if at all possible. Demands a robust amplifier: impedance dips to about 3.6 ohms with an EPDR of 2.2 ohms. The small supertweeter shows minor breakup artifacts at the extremes of the vertical polar plot and some compression at very high output in the top octave, though neither was audible in normal listening. Discontinued.
Full KEF Reference 203 review and specifications →
| Bass Extension (-10dB) | 37Hz (measured, Erin's Audio Corner) |
|---|---|
| Bass Extension (-3dB) | 51Hz (measured, Erin's Audio Corner) |
| Crossover Frequency | 400Hz, 2.7kHz, 15kHz |
| Dimensions | 1067H mm (42" tall) |
| Discontinued | Yes |
| Drivers | 1x 0.75" supertweeter, coaxial 1" dome tweeter + 6.5" midrange, 2x 6.5" woofers |
| Frequency Response | 55Hz - 55kHz ±3dB (Manufacturer specified) |
| Impedance | 8 ohms nominal (3.6 ohms minimum, measured, Erin's Audio Corner; 3.2 ohms per manufacturer spec) |
| Recommended Power | 50-200W |
| Sensitivity | 88dB (2.83V/1m, measured by Erin's Audio Corner) |
| Weight | 58 lbs / 26.3 kg (58 lb) |
| Woofer Cabinet | Bass reflex, with switchable flat/cut/lifted bass ports for wall placement |
As an eBay Partner, we may be compensated if you make a purchase.
- Links
- Reviews, Comparisons and Sound Samples
- Head-to-Head Comparisons