Short answer: the KEF Q1 Meta. Both are rated 3.6/5 for sound quality (#65 and #62 of 179 bookshelf speakers), and the KEF Q1 Meta costs $399.99 against $549 for the PSB Alpha P5, so with nothing between them on sound quality, price settles it.
What the KEF Q1 Meta does well: Compact bookshelf speakers with a coaxial driver, an absorber behind the tweeter, an even tonal balance and respectable bass for the size. Watch for: The only measurements are KEF’s own, not independently verified, and spinorama.org computes no preference score for them because the data is truncated at low frequencies.
The case for the PSB Alpha P5: Compact bookshelf speakers with a smooth direct response and broad dispersion that pair well with a subwoofer. The tradeoff: Measured sensitivity is low at roughly 84dB, and the underdamped bass alignment (Q 0.42) trades some weight for control.
Buy the KEF Q1 Meta. Both are rated the same for sound quality, and it costs $149.01 less than the PSB Alpha P5.
Looking for alternatives? See the complete Passive Home rankings.
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Specifications Side By Side
| KEF Q1 Meta | PSB Alpha P5 | |
|---|---|---|
| Price | $399.99 per pair | $549.00 per pair |
| Ranked | #65 of 179 in Medium Size Bookshelf Speakers | #62 of 179 in Medium Size Bookshelf Speakers |
| Drivers | Uni-Q: 130mm (5.25”) aluminium cone woofer, 25mm (1”) vented aluminium dome tweeter with MAT | 0.75” dome tweeter, 5.25” woofer |
| Frequency Response | 51Hz-20kHz ±3dB (manufacturer specified) | - |
| Sensitivity | 86dB (2.83V/1m, manufacturer specified) | 87dB specified; about 84dB measured |
| Impedance | 4 ohms nominal, 3.2 ohms minimum (manufacturer specified) | 8 ohms |
| Recommended Power | 10-150W | - |
| Maximum SPL | 108dB (manufacturer specified) | - |
| Crossover Frequency | 2.1kHz | - |
| Woofer Cabinet | ported | - |
| Dimensions | 11.9”H x 7.1”W x 10.9”D (302 x 180 x 277 mm) | 11.4H x 6.7W x 9.5D in |
| Weight | 13.4 lbs (6.1 kg) each | 10.1 lbs (4.6 kg) each |
| Cabinet Color | Satin Black, Satin White, Walnut | - |
| Bass Extension (-3dB) | 65.1Hz (measured, KEF vendor data via spinorama.org) | 58.6Hz (measured, ASR via spinorama.org) |
| Bass Extension (-10dB) | about 43.4Hz (measured, KEF vendor data via spinorama.org) | about 44.4Hz (measured, Audio Science Review) |
| Enclosure | - | 2-way passive, rear-ported |
| Spinorama Preference Score | - | 3.99 |
| Spinorama Preference Score with Perfect Sub | - | 6.25 |
| DIY Kit | - | No |
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