Q Acoustics 5020 vs Polk T15

Short answer: the Q Acoustics 5020, though the Polk T15 is the value play, though neither ranks well in its class. The T15 measured better at +/-20 degrees vertical off-axis than on-axis, but its spinorama reveals what Amir called a “horrific drop in upper mids/lower treble region of 3 to 6 kHz.” The 5020 ranks #76 of 90 against the T15’s #81 of 90, though Erin found it too crisp, with the top end roughly 3-5dB up and the 1-3kHz region recessed. Both are rated below 3.0/5 among the 90 bookshelf speakers; for better sound, the Philharmonic Ceramic Mini ranks #2 at $900.

Buy the Q Acoustics 5020 when sound quality outweighs the price for you, and the Polk T15 when the price outweighs sound quality instead.

Want more options? Browse the full Passive Home rankings.

Specifications Side By Side

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• Philharmonic Ceramic Mini vs Q Acoustics 5020
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• KEF LS50 Meta vs Q Acoustics 5020
• XMechanik Mechano23 DIY vs Q Acoustics 5020

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The Two Speakers In Full

Q Acoustics 5020: $1,199.00 per pair 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. Measured bass extension of 103Hz (-3dB), with a measured sensitivity of 87.1dB.

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)
DIY Kit	No
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)
Spinorama Preference Score	3.63
Spinorama Preference Score with Perfect Sub	6.55
Weight	15.4 lbs (7.0 kg) each
Woofer Cabinet	rear-ported

• Links
  • Official Q Acoustics 5020 Product Page
• Reviews, Comparisons and Sound Samples
  • Erin’s Audio Corner: Q Acoustics 5020. More from Erin’s Audio Corner →
  • Erin’s Audio Corner Website: Q Acoustics 5020
  • Erin’s Audio Corner Measurements (spinorama.org)
• Head-to-Head Comparisons
  • Q Acoustics 5020 vs Micca RB42
  • Q Acoustics 5020 vs Verdant Audio Bambusa AL-1
  • Q Acoustics 5020 vs JBL Stage A130
  • Q Acoustics 5020 vs Fluance Signature HFS
  • Q Acoustics 5020 vs Q Acoustics 3020i
  • Q Acoustics 5020 vs JBL Control 1 Pro
  • Q Acoustics 5020 vs KEF Q100
  • Q Acoustics 5020 vs ELAC Uni-Fi 2.0 UB52
  • See all 42 comparisons

Polk T15: $149.00 per pair Amazon eBay

Pros: Extremely affordable 2-way design that actually measured better at +/-20 degrees vertical off-axis than directly on-axis. In near-field desktop use, the reviewer found the T15 “didn’t sound that horrible,” partly because nearby desk reflections mask the frequency response dip. Measured bass extension of 88.6Hz (-3dB), with a measured sensitivity of 89dB.

Cons: Spinorama analysis reveals what Amir called a “horrific drop in upper mids/lower treble region of 3 to 6 kHz,” likely from tweeter-woofer phase cancellation directly on-axis. Measured impedance ranges from 4-8 ohms, contradicting the specified 6-8 ohm range, and there’s a distortion peak around 400Hz. On- and off-axis response “vary a ton,” making listening position unusually important. The reviewer recommends saving up for the Pioneer SP-BS22-LR instead: “I can’t justify recommending the Polk T15 even though subjective performance was not horrible.”

Full Polk T15 review and specifications →

Bass Extension (-10dB)	58.1Hz (measured, Audio Science Review)
Bass Extension (-3dB)	88.6Hz (measured, Audio Science Review)
DIY Kit	No
Dimensions	10.63H x 6.5W x 7.25D in
Drivers	0.75” tweeter, 5.25” woofer
Frequency Response	60Hz - 24kHz (Manufacturer specified)
Impedance	8 ohms nominal
Sensitivity	89dB (manufacturer specified, 1W/1m); 88.98dB measured, spinorama.org
Spinorama Preference Score	0.34
Spinorama Preference Score with Perfect Sub	3.39
Weight	8.2 lbs (3.74 kg) each

• Links
  • Official Polk T15 Product Page
• Reviews, Comparisons and Sound Samples
  • Audio Science Review Measurements More from Audio Science Review →
  • Audio Science Review Measurements (spinorama.org)
• Head-to-Head Comparisons
  • Polk T15 vs JBL Control 1 Pro
  • Polk T15 vs Definitive Technology ProMonitor 1000
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  • Polk T15 vs Pioneer Elite SP-EBS73-LR
  • Polk T15 vs Micca RB42
  • Polk T15 vs Klipsch R-41M
  • Polk T15 vs Q Acoustics 3020i
  • See all 39 comparisons