Short answer: the JBL Studio 530, narrowly, because the ELAC BS U5’s crossover distortion is worse. The ELAC is a slim three-way coaxial design with a fairly even on-axis response to 3kHz and smoother off-axis behavior, but distortion is very high at both crossover points, around 270Hz and 2700Hz, exceeding 3% at the mid-range crossover. The Studio 530 is fairly flat on-axis, its own flaw a 1.4kHz tweeter resonance and a bump near 2kHz.
Buy the JBL Studio 530 only if you find one used in good condition; both are discontinued, and it is the better rated of the two. For a new speaker, start with the Philharmonic Ceramic Mini instead.
Looking for alternatives? See the complete Passive Home rankings.
Specifications Side By Side
| JBL Studio 530 | ELAC BS U5 | |
|---|---|---|
| Price | $399 per pair Discontinued | $856 per pair Discontinued |
| Ranked | #44 of 90 in Medium Size Bookshelf Speakers | #60 of 90 in Medium Size Bookshelf Speakers |
| Bass Extension (-3dB) | 73.2Hz (measured, Audio Science Review) | 63Hz (measured, Audio Science Review) |
| Bass Extension (-10dB) | 40Hz (derived, log-interpolated between spinorama.org -9dB/-12dB points) | 41Hz (derived, log-interpolated between spinorama.org -9dB/-12dB points) |
| Crossover Frequency | 1.5kHz | - |
| Dimensions | 18.4”H x 8.4”W x 8.7”D (467 x 214 x 222 mm) | 13.4”H x 7”W x 11.5”D (339.1 x 178.0 x 293.1 mm) |
| Impedance | 6 ohms nominal (4 ohms minimum, measured by Audio Science Review) | 4 ohms nominal (3.4 ohms minimum) |
| Sensitivity | ~85dB (measured by Audio Science Review) | 83dB (2.83V/1m, measured, Audio Science Review) |
| Drivers | 5.25” (130mm) PolyPlas™ cone woofer with SFG magnet, 1” (25mm) compression driver with Teonex® diaphragm on Bi-Radial® horn | 1” tweeter + 5.25” woofer |
| Weight | 17 lbs (7.7 kg) each | 13.2 lbs (6 kg) |
| Woofer Cabinet | ported | ported, rear |
| Spinorama Preference Score | 5.21 (spinorama.org) | 4.71 (spinorama.org) |
| Spinorama Preference Score with Perfect Sub | 7.29 (spinorama.org) | 6.79 (spinorama.org) |
| DIY Kit | No | No |
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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
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
- Head-to-Head Comparisons
- JBL Studio 530 vs ELAC Debut 2.0 B5.2
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ELAC BS U5: $856 per pair Discontinued eBay
Pros: This slim three-way coaxial design (an Andrew Jones creation) shows a fairly even on-axis response up to 3kHz, with off-axis behavior notably smoother than the on-axis curve. Predicted in-room response looks like it should give good tonality. Vertical directivity is better than average, a benefit of the coaxial layout. Measured bass extension of 63Hz (-3dB), with a measured sensitivity of 83dB.
Cons: Distortion is very high right at both crossover points (around 270Hz (mid-range) and 2700Hz (tweeter)) at both 86dB and 96dB SPL/1m, exceeding 3% at the mid-range crossover. Minimum impedance dips to 3.4 ohms with a possible resonance around 500Hz visible in the impedance/phase curve. Discontinued.
Full ELAC BS U5 review and specifications →
| Bass Extension (-10dB) | 41Hz (derived, log-interpolated between spinorama.org -9dB/-12dB points) |
|---|---|
| Bass Extension (-3dB) | 63Hz (measured, Audio Science Review) |
| DIY Kit | No |
| Dimensions | 13.4”H x 7”W x 11.5”D (339.1 x 178.0 x 293.1 mm) |
| Drivers | 1” tweeter + 5.25” woofer |
| Impedance | 4 ohms nominal (3.4 ohms minimum) |
| Sensitivity | 83dB (2.83V/1m, measured, Audio Science Review) |
| Spinorama Preference Score | 4.71 (spinorama.org) |
| Spinorama Preference Score with Perfect Sub | 6.79 (spinorama.org) |
| Weight | 13.2 lbs (6 kg) |
| Woofer Cabinet | ported, rear |
- Reviews, Comparisons and Sound Samples
- Head-to-Head Comparisons
- ELAC BS U5 vs Acoustic Energy AE100 Mk2
- ELAC BS U5 vs Dynaudio Emit M10
- ELAC BS U5 vs Dynaudio X14
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