Short answer: the JBL Studio 530. It ranks #38 of 74 bookshelf speakers by sound quality at $399; the Q Acoustics 5020 ranks #60 and costs $1199, so there is not much of a tradeoff to weigh.
What the JBL Studio 530 offers: CEA2034 spinorama shows a fairly flat on-axis response. Predicted in-room response is very smooth aside from the high-frequency roll-off. Watch for: 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.
What the Q Acoustics 5020 offers: Attractively finished compact standmount with a 5-inch Continuous Curved Cone woofer and carefully engineered cabinet details. Erin found distortion well controlled at normal levels: below 1% down to about 50Hz at 86dB/1m. Its 87dB measured sensitivity is unremarkable rather than hard to drive, and it maintains acceptable output for typical 80-85dB listening. The rear port can be plugged for placement flexibility. Watch for: Erin found the tonal balance distinctly too crisp, forward and treble-heavy: the top end is roughly 3-5dB elevated while the 1-3kHz region is recessed, so vocals change level unnaturally as they move through their range. The shallow woofer crossover and steeper tweeter slope contribute to the off-axis discontinuity, while the port has a strong 1kHz resonance. Bass is limited: Erin measured F3 103Hz and F10 48Hz; at 96dB distortion reaches about 3% by 100Hz, and he bottomed the woofer when pushed hard. He preferred the less-expensive 3020i’s linearity and did not recommend the 5020 for neutral listening without EQ.
Buy the JBL Studio 530. It ranks higher for sound quality than the Q Acoustics 5020 and costs less, so there is no real case for the other one.
If sound quality matters at all to you, skip the Q Acoustics 5020. It ranks near the bottom of the 74 bookshelf speakers, so look higher up the list instead.
Specifications Side By Side
| JBL Studio 530 | Q Acoustics 5020 | |
|---|---|---|
| Price | $399 Discontinued | $1,199.00 |
| Ranked | #38 of 74 in Medium Size Bookshelf Speakers | #60 of 74 in Medium Size Bookshelf Speakers |
| Bass Extension (-3dB) | 88Hz (measured, Audio Science Review) | 103Hz (measured, Erin’s Audio Corner) |
| Bass Extension (-10dB) | 65Hz (measured, Audio Science Review) | 48Hz (measured, Erin’s Audio Corner) |
| Crossover Frequency | 1.5kHz | 2.5kHz (manufacturer specified) |
| Dimensions | 18.4"H x 8.4"W x 8.7"D (467 x 214 x 222 mm) | 11.2"H x 7.1"W x 11.5"D |
| Impedance | 6 ohms nominal (4 ohms minimum, measured by Audio Science Review) | 6 ohms nominal, 3.3 ohms minimum (manufacturer specified) |
| Sensitivity | ~85dB (measured by Audio Science Review) | 87.1dB (2.83V/1m, measured, Erin’s Audio Corner; 87.9dB manufacturer specified) |
| Drivers | 5.25" (130mm) PolyPlas™ cone woofer with SFG magnet, 1" (25mm) compression driver with Teonex® diaphragm on Bi-Radial® horn | 5" (125mm) C3 mid/bass driver, 1" (25mm) tweeter |
| Discontinued | Yes | - |
| Weight | 17 lbs / 7.7 kg each | 15.4 lbs (15.4 lbs / 7.0kg) each |
| Woofer Cabinet | ported | rear-ported |
| Frequency Response | - | 53Hz - 30kHz (-6dB, manufacturer specified) |
| Recommended Power | - | 25W - 100W (manufacturer specified) |
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The Two Speakers In Full
JBL Studio 530: $399 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.
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) | 65Hz (measured, Audio Science Review) |
|---|---|
| Bass Extension (-3dB) | 88Hz (measured, Audio Science Review) |
| Crossover Frequency | 1.5kHz |
| Dimensions | 18.4"H x 8.4"W x 8.7"D (467 x 214 x 222 mm) |
| Discontinued | Yes |
| 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) |
| Weight | 17 lbs / 7.7 kg each |
| Woofer Cabinet | ported |
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Q Acoustics 5020: $1,199.00 Amazon eBay
Pros: Attractively finished compact standmount with a 5-inch Continuous Curved Cone woofer and carefully engineered cabinet details. Erin found distortion well controlled at normal levels: below 1% down to about 50Hz at 86dB/1m. Its 87dB measured sensitivity is unremarkable rather than hard to drive, and it maintains acceptable output for typical 80-85dB listening. The rear port can be plugged for placement flexibility.
Cons: Erin found the tonal balance distinctly too crisp, forward and treble-heavy: the top end is roughly 3-5dB elevated while the 1-3kHz region is recessed, so vocals change level unnaturally as they move through their range. The shallow woofer crossover and steeper tweeter slope contribute to the off-axis discontinuity, while the port has a strong 1kHz resonance. Bass is limited: Erin measured F3 103Hz and F10 48Hz; at 96dB distortion reaches about 3% by 100Hz, and he bottomed the woofer when pushed hard. He preferred the less-expensive 3020i’s linearity and did not recommend the 5020 for neutral listening without EQ.
Full Q Acoustics 5020 review and specifications →
| Bass Extension (-10dB) | 48Hz (measured, Erin's Audio Corner) |
|---|---|
| Bass Extension (-3dB) | 103Hz (measured, Erin's Audio Corner) |
| Crossover Frequency | 2.5kHz (manufacturer specified) |
| Dimensions | 11.2"H x 7.1"W x 11.5"D |
| Drivers | 5" (125mm) C3 mid/bass driver, 1" (25mm) tweeter |
| Frequency Response | 53Hz - 30kHz (-6dB, manufacturer specified) |
| Impedance | 6 ohms nominal, 3.3 ohms minimum (manufacturer specified) |
| Recommended Power | 25W - 100W (manufacturer specified) |
| Sensitivity | 87.1dB (2.83V/1m, measured, Erin's Audio Corner; 87.9dB manufacturer specified) |
| Weight | 15.4 lbs (15.4 lbs / 7.0kg) each |
| Woofer Cabinet | rear-ported |
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