Short answer: the Klipsch RP-500M II. It ranks #17 of 74 bookshelf speakers by sound quality at $389.99; the Q Acoustics 5020 ranks #60 and costs $1199, so there is not much of a tradeoff to weigh.
What the Klipsch RP-500M II offers: Major mid-range clarity improvement over the original RP-500M: about a 5dB fill-in between 1-3kHz in the estimated in-room response, giving a noticeably more resolved, detailed midrange. More neutral and linear overall than its sibling RP-600M II, which carries about 2-3dB more high-frequency energy and a touch more bass but less overall balance. Very precise soundstage imaging and instrument placement. Distortion through the midrange is cleaner than the previous generation. Watch for: Klipsch’s quoted sensitivity (around 92-93dB) uses an unconventional in-room-based rating rather than the standard anechoic measurement; on an anechoic basis it measures closer to about 85dB, in line with typical bookshelf speakers this size, so it isn’t the outlier in efficiency the spec sheet implies. Horizontal dispersion of about ±40-50° is narrower and more directive than the reviewer’s preference for a wider, more enveloping soundstage. Toeing the speaker out to widen the soundstage or soften on-axis brightness comes at some cost to imaging precision. Slightly less clean in the tweeter region than the midrange, likely tied to crossover placement, though not considered a dealbreaker. Low-frequency output is limited - measured around 95dB at 4 meters for the pair before the woofers started to unload, so a subwoofer is recommended for anyone wanting real bass rather than stepping up to a larger model.
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 Klipsch RP-500M II. 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
| Klipsch RP-500M II | Q Acoustics 5020 | |
|---|---|---|
| Price | $389.99 | $1,199.00 |
| Ranked | #17 of 74 in Medium Size Bookshelf Speakers | #60 of 74 in Medium Size Bookshelf Speakers |
| Bass Extension (-10dB) | 53Hz (measured, Erin’s Audio Corner) | 48Hz (measured, Erin’s Audio Corner) |
| Bass Extension (-3dB) | 67Hz (measured, Erin’s Audio Corner) | 103Hz (measured, Erin’s Audio Corner) |
| Crossover Frequency | 1530Hz | 2.5kHz (manufacturer specified) |
| Dimensions | 13.6"H x 6.8"W x 10.6"D (344.4 x 173 x 270.5 mm) | 11.2"H x 7.1"W x 11.5"D |
| Impedance | 8 ohms nominal, 3.3 ohms minimum (measured, Erin’s Audio Corner) | 6 ohms nominal, 3.3 ohms minimum (manufacturer specified) |
| Sensitivity | 85dB (measured, Erin’s Audio Corner) | 87.1dB (2.83V/1m, measured, Erin’s Audio Corner; 87.9dB manufacturer specified) |
| Drivers | 5.25" Cerametallic™ cone woofer with Faraday rings, 1" LTS Titanium diaphragm tweeter with Hybrid Cross-Section Expanded Tractrix® horn | 5" (125mm) C3 mid/bass driver, 1" (25mm) tweeter |
| Weight | 13 lbs / 5.9 kg each | 15.4 lbs (15.4 lbs / 7.0kg) each |
| Woofer Cabinet | ported, rear | rear-ported |
| Frequency Response | - | 53Hz - 30kHz (-6dB, manufacturer specified) |
| Recommended Power | - | 25W - 100W (manufacturer specified) |
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The Two Speakers In Full
Klipsch RP-500M II: $389.99 Amazon eBay
Pros: Major mid-range clarity improvement over the original RP-500M: about a 5dB fill-in between 1-3kHz in the estimated in-room response, giving a noticeably more resolved, detailed midrange. More neutral and linear overall than its sibling RP-600M II, which carries about 2-3dB more high-frequency energy and a touch more bass but less overall balance. Very precise soundstage imaging and instrument placement. Distortion through the midrange is cleaner than the previous generation.
Cons: Klipsch’s quoted sensitivity (around 92-93dB) uses an unconventional in-room-based rating rather than the standard anechoic measurement; on an anechoic basis it measures closer to about 85dB, in line with typical bookshelf speakers this size, so it isn’t the outlier in efficiency the spec sheet implies. Horizontal dispersion of about ±40-50° is narrower and more directive than the reviewer’s preference for a wider, more enveloping soundstage. Toeing the speaker out to widen the soundstage or soften on-axis brightness comes at some cost to imaging precision. Slightly less clean in the tweeter region than the midrange, likely tied to crossover placement, though not considered a dealbreaker. Low-frequency output is limited - measured around 95dB at 4 meters for the pair before the woofers started to unload, so a subwoofer is recommended for anyone wanting real bass rather than stepping up to a larger model.
Full Klipsch RP-500M II review and specifications →
| Bass Extension (-10dB) | 53Hz (measured, Erin's Audio Corner) |
|---|---|
| Bass Extension (-3dB) | 67Hz (measured, Erin's Audio Corner) |
| Crossover Frequency | 1530Hz |
| Dimensions | 13.6"H x 6.8"W x 10.6"D (344.4 x 173 x 270.5 mm) |
| Drivers | 5.25" Cerametallic™ cone woofer with Faraday rings, 1" LTS Titanium diaphragm tweeter with Hybrid Cross-Section Expanded Tractrix® horn |
| Impedance | 8 ohms nominal, 3.3 ohms minimum (measured, Erin's Audio Corner) |
| Sensitivity | 85dB (measured, Erin's Audio Corner) |
| Weight | 13 lbs / 5.9 kg each |
| Woofer Cabinet | ported, rear |
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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 |
- Links
- Reviews, Comparisons and Sound Samples
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