Short answer: the Paradigm Monitor SE Atom. It ranks #50 of 90 bookshelf speakers by sound quality, rated 3.2/5, at $399.98; the ELAC Uni-Fi 2.0 UB52 ranks #70, rated 2.4/5, and costs $799, so there is little reason to consider the other one.
Buy the Paradigm Monitor SE Atom. It is rated higher for sound quality than the ELAC Uni-Fi 2.0 UB52 and costs less, so only choose the other one for a particular feature it does better.
Looking for alternatives? See the complete Passive Home rankings.
Specifications Side By Side
| Paradigm Monitor SE Atom | ELAC Uni-Fi 2.0 UB52 | |
|---|---|---|
| Price | $399.98 per pair | $799.00 per pair |
| Ranked | #50 of 90 in Medium Size Bookshelf Speakers | #70 of 90 in Medium Size Bookshelf Speakers |
| Bass Extension (-3dB) | 58.6Hz (measured, Audio Science Review) | 55.7Hz (measured, Audio Science Review) |
| Bass Extension (-10dB) | 49.8Hz (derived, log-interpolated between spinorama.org -9dB/-12dB points) | 38.6Hz (measured, Audio Science Review) |
| Drivers | 1” X-PAL aluminum dome tweeter (ferrofluid, PPA lens), 5.5” mineral-filled polypropylene mid/bass | 5.25” aluminum woofer, 4” aluminum midrange, 1” soft dome tweeter |
| Dimensions | 12.75H x 7.125W x 11D in | 13.6”H x 7.3”W x 10.8”D (346 x 185 x 275 mm) |
| Weight | 11.9 lbs (5.4 kg) each | 7.7 lbs (3.5 kg) |
| Frequency Response | 61Hz - 21kHz +/-3dB (Manufacturer specified) | - |
| Sensitivity | 85dB (2.83V/1m, measured, Audio Science Review) | 83.3dB (measured by Audio Science Review; 85dB manufacturer specified) |
| Impedance | 8 ohms | 6 ohms |
| Power Handling | 15-100W recommended | 140W max |
| Woofer Cabinet | ported, rear | ported |
| Spinorama Preference Score | 4.13 | 5.32 (spinorama.org) |
| Spinorama Preference Score with Perfect Sub | 6.50 | 7.34 (spinorama.org) |
| DIY Kit | No | No |
| Crossover Frequency | - | 200Hz / 2000Hz |
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Prices on this page were last checked October 2, 2026 at 10:18 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
Paradigm Monitor SE Atom: $399.98 per pair Paradigm eBay
Pros: Good, consistent directivity across the on-axis, listening-window, and off-axis curves makes the Atom easier to equalize and less room-dependent than many budget speakers. Bass tuning is well judged, letting the woofer play loud on demanding tracks without bottoming out even without a subwoofer. Paradigm’s NRC research pedigree shows in the horizontal and vertical dispersion measurements. Measured bass extension of 58.6Hz (-3dB), with a measured sensitivity of 85dB.
Cons: On-axis response is uneven out of the box, with a 2-4kHz dip followed by a peak and a resonance around 15kHz that the reviewer said gives it a bright, “showroom” voicing without EQ correction. There’s no meaningful bass extension for full-range use, so a subwoofer is effectively required for anything beyond desktop or near-field listening.
Full Paradigm Monitor SE Atom review and specifications →
| Bass Extension (-10dB) | 49.8Hz (derived, log-interpolated between spinorama.org -9dB/-12dB points) |
|---|---|
| Bass Extension (-3dB) | 58.6Hz (measured, Audio Science Review) |
| DIY Kit | No |
| Dimensions | 12.75H x 7.125W x 11D in |
| Drivers | 1” X-PAL aluminum dome tweeter (ferrofluid, PPA lens), 5.5” mineral-filled polypropylene mid/bass |
| Frequency Response | 61Hz - 21kHz +/-3dB (Manufacturer specified) |
| Impedance | 8 ohms |
| Power Handling | 15-100W recommended |
| Sensitivity | 85dB (2.83V/1m, measured, Audio Science Review) |
| Spinorama Preference Score | 4.13 |
| Spinorama Preference Score with Perfect Sub | 6.50 |
| Weight | 11.9 lbs (5.4 kg) each |
| Woofer Cabinet | ported, rear |
- Links
- Reviews, Comparisons and Sound Samples
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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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