Short answer: the ELAC Uni-Fi 2.0 UB52, if you are buying new. The JBL Studio 530 ranks higher than it (#49 vs #78 of 101 bookshelf speakers, 3.3/5 vs 2.4/5) but is discontinued, so only consider it used; the ELAC Uni-Fi 2.0 UB52 is still sold new at $799.
Buy the ELAC Uni-Fi 2.0 UB52, since the JBL Studio 530 is discontinued and only worth hunting down used.
Still deciding? The full Passive Home rankings cover every ranked option.
Specifications Side By Side
| JBL Studio 530 | ELAC Uni-Fi 2.0 UB52 | |
|---|---|---|
| Price | $399 per pair Discontinued | $799.00 per pair |
| Ranked | #49 of 101 in Medium Size Bookshelf Speakers | #78 of 101 in Medium Size Bookshelf Speakers |
| Bass Extension (-3dB) | 73.2Hz (measured, Audio Science Review) | 55.7Hz (measured, Audio Science Review) |
| Bass Extension (-10dB) | 40Hz (derived, log-interpolated between spinorama.org -9dB/-12dB points) | 38.6Hz (measured, Audio Science Review) |
| Crossover Frequency | 1.5kHz | 200Hz / 2000Hz |
| Dimensions | 18.4”H x 8.4”W x 8.7”D (467 x 214 x 222 mm) | 13.6”H x 7.3”W x 10.8”D (346 x 185 x 275 mm) |
| Impedance | 6 ohms nominal (4 ohms minimum, measured by Audio Science Review) | 6 ohms |
| Sensitivity | ~85dB (measured by Audio Science Review) | 83.3dB (measured by Audio Science Review; 85dB manufacturer specified) |
| Drivers | 5.25” (130mm) PolyPlas™ cone woofer with SFG magnet, 1” (25mm) compression driver with Teonex® diaphragm on Bi-Radial® horn | 5.25” aluminum woofer, 4” aluminum midrange, 1” soft dome tweeter |
| Weight | 17 lbs (7.7 kg) each | 7.7 lbs (3.5 kg) |
| Woofer Cabinet | ported | ported |
| Spinorama Preference Score | 5.21 (spinorama.org) | 5.32 (spinorama.org) |
| Spinorama Preference Score with Perfect Sub | 7.29 (spinorama.org) | 7.34 (spinorama.org) |
| DIY Kit | No | No |
| Power Handling | - | 140W max |
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Prices on this page were last checked October 3, 2026 at 10:26 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
JBL Studio 530: $399 per pair Discontinued eBay
Pros: CEA2034 spinorama shows a fairly flat on-axis response. Predicted in-room response is very smooth aside from the high-frequency roll-off. Measured bass extension of 73.2Hz (-3dB), with a measured sensitivity of 85dB.
Cons: A peak around 1.4kHz is attributed to a tweeter resonance, and shows up as a distinct spike in harmonic distortion at that frequency along with a second resonance-driven bump around 2kHz. Response rolls off in the high frequencies and the tuning is a bit bass-shy overall. Cumulative spectral decay (waterfall) shows the same 1kHz-region resonances lingering in time. Discontinued.
Full JBL Studio 530 review and specifications →
| Bass Extension (-10dB) | 40Hz (derived, log-interpolated between spinorama.org -9dB/-12dB points) |
|---|---|
| Bass Extension (-3dB) | 73.2Hz (measured, Audio Science Review) |
| Crossover Frequency | 1.5kHz |
| DIY Kit | No |
| Dimensions | 18.4”H x 8.4”W x 8.7”D (467 x 214 x 222 mm) |
| Drivers | 5.25” (130mm) PolyPlas™ cone woofer with SFG magnet, 1” (25mm) compression driver with Teonex® diaphragm on Bi-Radial® horn |
| Impedance | 6 ohms nominal (4 ohms minimum, measured by Audio Science Review) |
| Sensitivity | ~85dB (measured by Audio Science Review) |
| Spinorama Preference Score | 5.21 (spinorama.org) |
| Spinorama Preference Score with Perfect Sub | 7.29 (spinorama.org) |
| Weight | 17 lbs (7.7 kg) each |
| Woofer Cabinet | ported |
- 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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