Short answer: the ELAC Uni-Fi 2.0 UB52 for directivity, the Dynaudio X14 for its driver complement, though neither ranks well in its class. The UB52’s horizontal beamwidth holds to about ±60 degrees up to 8kHz before narrowing, though it is dipped 3dB from 1.5kHz to 3kHz. The X14 uses a 1” silk-dome tweeter and 5.7” magnesium-silicate-polymer woofer rated at 85dB sensitivity, but its lack of a waveguide leaves the on-axis response uneven. Both are rated below 3.0/5 among the 90 bookshelf speakers, and the Philharmonic Ceramic Mini, ranked #2 at $900, is a better place to start if sound quality matters.
Buy the ELAC Uni-Fi 2.0 UB52 new; the Dynaudio X14 is no longer sold new, so it only makes sense as a used find.
Want more options? Browse the full Passive Home rankings.
Specifications Side By Side
| Dynaudio X14 | ELAC Uni-Fi 2.0 UB52 | |
|---|---|---|
| Price | $1,500 per pair Discontinued | $799.00 per pair |
| Ranked | #62 of 90 in Medium Size Bookshelf Speakers | #70 of 90 in Medium Size Bookshelf Speakers |
| Bass Extension (-3dB) | 67.4Hz (measured, Audio Science Review) | 55.7Hz (measured, Audio Science Review) |
| Bass Extension (-10dB) | 43.9Hz (derived, log-interpolated between spinorama.org -9dB/-12dB points) | 38.6Hz (measured, Audio Science Review) |
| Sensitivity | 82dB (2.83V/1m, measured, Audio Science Review) | 83.3dB (measured by Audio Science Review; 85dB manufacturer specified) |
| Impedance | 8 ohms nominal | 6 ohms |
| Frequency Response | 50Hz - 23kHz (+/-3dB) (Manufacturer specified) | - |
| Drivers | 1” silk dome tweeter, 5.7” magnesium-silicate-polymer woofer | 5.25” aluminum woofer, 4” aluminum midrange, 1” soft dome tweeter |
| Weight | 14.3 lbs (6.5 kg) each | 7.7 lbs (3.5 kg) |
| Dimensions | 11.2”H x 6.7”W x 10”D (285 x 170 x 255 mm) | 13.6”H x 7.3”W x 10.8”D (346 x 185 x 275 mm) |
| Woofer Cabinet | ported | ported |
| Spinorama Preference Score | 4.57 (spinorama.org) | 5.32 (spinorama.org) |
| Spinorama Preference Score with Perfect Sub | 6.94 (spinorama.org) | 7.34 (spinorama.org) |
| DIY Kit | No | No |
| Crossover Frequency | - | 200Hz / 2000Hz |
| Power Handling | - | 140W max |
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The Two Speakers In Full
Dynaudio X14: $1,500 per pair Discontinued eBay
Pros: 1” silk-dome tweeter and 5.7” magnesium-silicate-polymer woofer in a compact two-way stand-mount, rated at 85dB sensitivity. Measured bass extension of 67.4Hz (-3dB), with a measured sensitivity of 82dB.
Cons: CEA2034 spinorama shows an uneven on-axis response from the lack of a waveguide to control tweeter beam width, plus a port resonance that boosts the lower midrange and imperfect crossover matching between the drivers. Too much energy in the lower and upper treble reads as bright, and directivity narrows at higher frequencies rather than staying controlled. The reviewer’s verdict: out of the box, the objective performance isn’t that great, though EQ can make it a satisfying speaker. Discontinued.
Full Dynaudio X14 review and specifications →
| Bass Extension (-10dB) | 43.9Hz (derived, log-interpolated between spinorama.org -9dB/-12dB points) |
|---|---|
| Bass Extension (-3dB) | 67.4Hz (measured, Audio Science Review) |
| DIY Kit | No |
| Dimensions | 11.2”H x 6.7”W x 10”D (285 x 170 x 255 mm) |
| Drivers | 1” silk dome tweeter, 5.7” magnesium-silicate-polymer woofer |
| Frequency Response | 50Hz - 23kHz (+/-3dB) (Manufacturer specified) |
| Impedance | 8 ohms nominal |
| Sensitivity | 82dB (2.83V/1m, measured, Audio Science Review) |
| Spinorama Preference Score | 4.57 (spinorama.org) |
| Spinorama Preference Score with Perfect Sub | 6.94 (spinorama.org) |
| Weight | 14.3 lbs (6.5 kg) each |
| Woofer Cabinet | ported |
- Reviews, Comparisons and Sound Samples
- Head-to-Head Comparisons
ELAC Uni-Fi 2.0 UB52: $799.00 per pair Amazon eBay
Pros: Wide, smooth horizontal directivity: beamwidth holds to about ±60 degrees up to 8kHz before narrowing. Vertical directivity is substantially better than average, giving more listening-height leeway than most two-way bookshelf speakers. Measured bass extension of 55.7Hz (-3dB), with a measured sensitivity of 83.3dB.
Cons: Dipped 3db from 1.5-3kHz. On-axis response shelves down above 1.5kHz along with multiple resonances, leading the reviewer to predict it will “likely sound dull.” Nasty resonance at 600Hz: audible as an actual buzzing artifact on some recordings (the reviewer demonstrated it with an Eva Cassidy track), and it shows up as a sharp distortion spike exceeding 4% at 585Hz when driven to 96dB SPL/1m. Not recommended.
Full ELAC Uni-Fi 2.0 UB52 review and specifications →
| Bass Extension (-10dB) | 38.6Hz (measured, Audio Science Review) |
|---|---|
| Bass Extension (-3dB) | 55.7Hz (measured, Audio Science Review) |
| Crossover Frequency | 200Hz / 2000Hz |
| DIY Kit | No |
| Dimensions | 13.6”H x 7.3”W x 10.8”D (346 x 185 x 275 mm) |
| Drivers | 5.25” aluminum woofer, 4” aluminum midrange, 1” soft dome tweeter |
| Impedance | 6 ohms |
| Power Handling | 140W max |
| Sensitivity | 83.3dB (measured by Audio Science Review; 85dB manufacturer specified) |
| Spinorama Preference Score | 5.32 (spinorama.org) |
| Spinorama Preference Score with Perfect Sub | 7.34 (spinorama.org) |
| Weight | 7.7 lbs (3.5 kg) |
| Woofer Cabinet | ported |
- Links
- Reviews, Comparisons and Sound Samples
- Head-to-Head Comparisons
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