Short answer: the KEF Reference 1 Meta on measured sound quality, the Dynaudio Special Forty on price. The KEF Reference 1 Meta ranks #3 of 130 bookshelf speakers at $9999.98. The Dynaudio Special Forty ranks #86 at $3600, $6399.98 cheaper.
What the Dynaudio Special Forty offers: Smooth, “buttery” overall tonal character consistent with Dynaudio’s house sound. Surprisingly precise, focused imaging despite wide horizontal radiation (about ±70°) - atypical, since wide-radiating speakers usually sacrifice some image precision in reflective rooms. Strong output capability: reached 100-101dB average at 3.5 meters with no audible distortion or woofer distress, and compression testing at 102dB shows the cabinet holding up mechanically well at extreme output. Bass reaches a genuine 50Hz (potentially 40Hz) in most rooms from a rear-ported design. Distortion stays below 1% at 86dB and doesn’t cross 3% THD until about 50Hz even at 96dB. Extra weight and impact on snares and percussion around 700-800Hz that the reviewer found appealing on many tracks. Watch for: A glaring, sometimes sibilant quality around 3-4kHz was the most noticeable issue in listening, the one thing the reviewer would want notched out with EQ. Multiple enclosure resonances appear between 500Hz-1kHz across on-axis, listening window, early-reflections, and sound-power measurements, corroborated by independent third-party CSD data showing similar 500-800Hz cabinet resonances. A dip around 1.2kHz traces to a cone-edge-to-surround compliance mismatch in the driver itself (confirmed by testing the bare driver’s impedance) - a known artifact common to many similarly-sized drivers across several manufacturers, contributing to elevated second-order distortion in that region. A somewhat laid-back, recessed 1-2kHz character (sometimes described as a “BBC dip”) gives an overall subdued quality that isn’t overtly problematic but shapes the tonal balance. Impedance drops below 3 ohms in the 100-200Hz region, requiring a genuinely 4-ohm-stable amplifier rather than an AVR. Rear port means it can’t be placed directly against a wall.
What the KEF Reference 1 Meta offers: Meta technology places a Helmholtz-style resonator behind the tweeter to absorb rear-radiated resonance, and pair matching is within about ±0.5dB - unusually tight for a passive speaker. Sounds most neutral pointed straight on-axis rather than toed out, with no 5-8kHz harshness of the kind that plagues many speakers marketed as “detailed.” One of the most three-dimensional soundstages the reviewer has heard from a passive speaker, beaten only by $13,000+ active Xmachina Pulsar MK2 monitors (though this speaker’s tonality was preferred). Distortion stays below 1% down to about 70Hz at 86dB, and below 1% to ~150Hz / below 3% to ~70Hz even at 96dB. High-frequency response holds essentially flat as volume increases - no audible crossover or voice-coil compression - giving strong dynamic range up to its output limit (about 98dB at 3.5 meters before the woofer starts running out of excursion). All-passive design still measures ±1.5dB from 80Hz to 16kHz with zero DSP. Swappable dual-port system (long port for near-wall placement, short port for out-into-the-room placement with more bass extension) lets you tune bass behavior to where the speaker actually sits. Watch for: At roughly $9,000/pair, nearly four times the cost of the similarly-sized KEF R3. Radiation narrows from about ±60° in the midrange to ±50° at high frequency - tighter than the reviewer’s ~70° preference (though wider than the R3’s ~±40°); toeing the speakers out for more width sacrifices treble energy that then needs EQ to restore. Moderate-to-low sensitivity (measured 83-84dB) calls for a solid amplifier. In-room bass only extends to about 40Hz, so a subwoofer is worth adding for bass-heavy material at higher volumes or listening beyond 3-4 meters. Minor directivity mismatch around 2kHz shows up in measurements, likely a vertical diffraction effect that wasn’t fully explained. Bass port choice (long vs. short) meaningfully changes the sound depending on placement, so the wrong port for your room can leave the bass sounding off until you experiment.
Buy the Dynaudio Special Forty if the price matters more than sound quality. Buy the KEF Reference 1 Meta if sound quality matters more than the price.
Looking for alternatives? See the complete Passive Home rankings.
Specifications Side By Side
| Dynaudio Special Forty | KEF Reference 1 Meta | |
|---|---|---|
| Price | $3600 per pair | $10000 per pair |
| Ranked | #86 of 130 in Large Size Bookshelf Speakers | #3 of 130 in Large Size Bookshelf Speakers |
| Bass Extension (-10dB) | 39Hz (measured, Erin's Audio Corner) | 32Hz (measured, Erin's Audio Corner) |
| Bass Extension (-3dB) | 54Hz (measured, Erin's Audio Corner) | 52Hz (measured, Erin's Audio Corner) |
| Dimensions | 14.1"H x 7.7"W x 12.1"D (358.1 x 195.6 x 307.3 mm) | 17.3"H x 8.1"W x 16.6"D (439.4 x 205.7 x 421.6 mm) |
| Impedance | 6 ohms nominal (4.9 ohms minimum above 80Hz, measured, Erin's Audio Corner) | 4 ohms nominal, 2.9 ohms minimum (measured, Erin's Audio Corner) |
| Sensitivity | 83.5dB (measured, Erin's Audio Corner; 86dB manufacturer specified) | 82.5dB (measured average, Erin's Audio Corner) |
| Drivers | 5.9" MSP (Magnesium Silicate Polymer) cone woofer, 1" Esotar soft dome tweeter | 165 mm (6.5 in.) aluminium cone woofer, 125 mm (5 in.) aluminium cone midrange, 25 mm (1 in.) aluminium dome with MAT tweeter |
| Weight | 17.9 lbs (8.1 kg) each | 40.1 lbs (18.2 kg) each |
| Woofer Cabinet | ported | ported, rear |
| Spinorama Preference Score | 3.85 | 5.84 |
| Spinorama Preference Score with Perfect Sub | 5.86 | 7.65 |
Related Speaker Comparisons
More top alternatives to KEF Reference 1 Meta:
- Perlisten S4b vs KEF Reference 1 Meta
- GR-Research NX-Studio vs KEF Reference 1 Meta
- KEF Reference 1 Meta vs March Audio Sointuva AWG
- AsciLab C6B vs KEF Reference 1 Meta
- Audio First Cadentia 3 vs KEF Reference 1 Meta
Prices on this page were last checked September 16, 2026 at 12:41 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.
As an eBay Partner, we may be compensated if you make a purchase.
The Two Speakers In Full
Dynaudio Special Forty: $3600 per pair Safeandsoundhq eBay
Pros: Smooth, “buttery” overall tonal character consistent with Dynaudio’s house sound. Surprisingly precise, focused imaging despite wide horizontal radiation (about ±70°) - atypical, since wide-radiating speakers usually sacrifice some image precision in reflective rooms. Strong output capability: reached 100-101dB average at 3.5 meters with no audible distortion or woofer distress, and compression testing at 102dB shows the cabinet holding up mechanically well at extreme output. Bass reaches a genuine 50Hz (potentially 40Hz) in most rooms from a rear-ported design. Distortion stays below 1% at 86dB and doesn’t cross 3% THD until about 50Hz even at 96dB. Extra weight and impact on snares and percussion around 700-800Hz that the reviewer found appealing on many tracks. Measured bass extension of 54Hz (-3dB), with a measured sensitivity of 83.5dB.
Cons: A glaring, sometimes sibilant quality around 3-4kHz was the most noticeable issue in listening, the one thing the reviewer would want notched out with EQ. Multiple enclosure resonances appear between 500Hz-1kHz across on-axis, listening window, early-reflections, and sound-power measurements, corroborated by independent third-party CSD data showing similar 500-800Hz cabinet resonances. A dip around 1.2kHz traces to a cone-edge-to-surround compliance mismatch in the driver itself (confirmed by testing the bare driver’s impedance) - a known artifact common to many similarly-sized drivers across several manufacturers, contributing to elevated second-order distortion in that region. A somewhat laid-back, recessed 1-2kHz character (sometimes described as a “BBC dip”) gives an overall subdued quality that isn’t overtly problematic but shapes the tonal balance. Impedance drops below 3 ohms in the 100-200Hz region, requiring a genuinely 4-ohm-stable amplifier rather than an AVR. Rear port means it can’t be placed directly against a wall.
Full Dynaudio Special Forty review and specifications →
| Bass Extension (-10dB) | 39Hz (measured, Erin's Audio Corner) |
|---|---|
| Bass Extension (-3dB) | 54Hz (measured, Erin's Audio Corner) |
| Dimensions | 14.1"H x 7.7"W x 12.1"D (358.1 x 195.6 x 307.3 mm) |
| Drivers | 5.9" MSP (Magnesium Silicate Polymer) cone woofer, 1" Esotar soft dome tweeter |
| Impedance | 6 ohms nominal (4.9 ohms minimum above 80Hz, measured, Erin's Audio Corner) |
| Sensitivity | 83.5dB (measured, Erin's Audio Corner; 86dB manufacturer specified) |
| Spinorama Preference Score | 3.85 |
| Spinorama Preference Score with Perfect Sub | 5.86 |
| Weight | 17.9 lbs (8.1 kg) each |
| Woofer Cabinet | ported |
- Links
- Reviews, Comparisons and Sound Samples
- Head-to-Head Comparisons
- Dynaudio Special Forty vs ELAC Debut 2.0 B6.2
- Dynaudio Special Forty vs SVS Prime Bookshelf
- Dynaudio Special Forty vs Infinity IL10
- Dynaudio Special Forty vs KEF Q3 Meta
- Dynaudio Special Forty vs GR-Research X-LS Encore
- Dynaudio Special Forty vs Polk Monitor XT20
- Dynaudio Special Forty vs Sonus Faber Lumina II
- Dynaudio Special Forty vs XTZ Spirit 4
- See all 54 comparisons
KEF Reference 1 Meta: $10000 per pair Kef eBay
Pros: Meta technology places a Helmholtz-style resonator behind the tweeter to absorb rear-radiated resonance, and pair matching is within about ±0.5dB - unusually tight for a passive speaker. Sounds most neutral pointed straight on-axis rather than toed out, with no 5-8kHz harshness of the kind that plagues many speakers marketed as “detailed.” One of the most three-dimensional soundstages the reviewer has heard from a passive speaker, beaten only by $13,000+ active Xmachina Pulsar MK2 monitors (though this speaker’s tonality was preferred). Distortion stays below 1% down to about 70Hz at 86dB, and below 1% to ~150Hz / below 3% to ~70Hz even at 96dB. High-frequency response holds essentially flat as volume increases - no audible crossover or voice-coil compression - giving strong dynamic range up to its output limit (about 98dB at 3.5 meters before the woofer starts running out of excursion). All-passive design still measures ±1.5dB from 80Hz to 16kHz with zero DSP. Swappable dual-port system (long port for near-wall placement, short port for out-into-the-room placement with more bass extension) lets you tune bass behavior to where the speaker actually sits. Measured bass extension of 52Hz (-3dB), with a measured sensitivity of 82.5dB.
Cons: At roughly $9,000/pair, nearly four times the cost of the similarly-sized KEF R3. Radiation narrows from about ±60° in the midrange to ±50° at high frequency - tighter than the reviewer’s ~70° preference (though wider than the R3’s ~±40°); toeing the speakers out for more width sacrifices treble energy that then needs EQ to restore. Moderate-to-low sensitivity (measured 83-84dB) calls for a solid amplifier. In-room bass only extends to about 40Hz, so a subwoofer is worth adding for bass-heavy material at higher volumes or listening beyond 3-4 meters. Minor directivity mismatch around 2kHz shows up in measurements, likely a vertical diffraction effect that wasn’t fully explained. Bass port choice (long vs. short) meaningfully changes the sound depending on placement, so the wrong port for your room can leave the bass sounding off until you experiment.
Full KEF Reference 1 Meta review and specifications →
| Bass Extension (-10dB) | 32Hz (measured, Erin's Audio Corner) |
|---|---|
| Bass Extension (-3dB) | 52Hz (measured, Erin's Audio Corner) |
| Dimensions | 17.3"H x 8.1"W x 16.6"D (439.4 x 205.7 x 421.6 mm) |
| Drivers | 165 mm (6.5 in.) aluminium cone woofer, 125 mm (5 in.) aluminium cone midrange, 25 mm (1 in.) aluminium dome with MAT tweeter |
| Impedance | 4 ohms nominal, 2.9 ohms minimum (measured, Erin's Audio Corner) |
| Sensitivity | 82.5dB (measured average, Erin's Audio Corner) |
| Spinorama Preference Score | 5.84 |
| Spinorama Preference Score with Perfect Sub | 7.65 |
| Weight | 40.1 lbs (18.2 kg) each |
| Woofer Cabinet | ported, rear |
- Links
- Reviews, Comparisons and Sound Samples
- Head-to-Head Comparisons
- KEF Reference 1 Meta vs GR-Research NX-Studio
- KEF Reference 1 Meta vs Perlisten S4b
- KEF Reference 1 Meta vs March Audio Sointuva AWG
- KEF Reference 1 Meta vs AsciLab C6B
- KEF Reference 1 Meta vs Audio First Cadentia 3
- KEF Reference 1 Meta vs Revel M106
- KEF Reference 1 Meta vs KEF R3 Meta
- KEF Reference 1 Meta vs KEF Q Concerto Meta
- See all 46 comparisons