Short answer: the KEF Q Concerto Meta for neutrality, the MoFi SourcePoint 10 for off-axis sound power. The SourcePoint 10’s Andrew Jones-designed concentric driver delivers best-in-class sound power and early-reflections directivity, though it sounds notably bright on-axis thanks to a deliberate treble lift. The Q Concerto Meta offers good in-room neutrality, but its roughly +/-50 degree radiation pattern is narrower than the reviewer’s preferred +/-60 degrees.
The case for the KEF Q Concerto Meta: Really good in-room neutrality with consistent horizontal directivity from seat to seat. Set against that: Radiation pattern measures about ±50°, narrower than the reviewer’s preferred ±60° for a stronger sense of envelopment.
What the MoFi SourcePoint 10 gets right: Andrew Jones-designed concentric/coincident driver delivers best-in-class sound power and early-reflections directivity in the reviewer’s. The tradeoff: Like virtually all coincident designs, sounds notably bright pointed directly on-axis due to a deliberate treble lift (meant to compensate.
Buy the KEF Q Concerto Meta. It ranks higher for sound quality than the MoFi SourcePoint 10 and costs less, which settles it without a real tradeoff to make.
Still deciding? The full Passive Home rankings cover every ranked option.
Specifications Side By Side
| KEF Q Concerto Meta | MoFi SourcePoint 10 | |
|---|---|---|
| Price | $1,399.99 per pair | $3795 per pair |
| Ranked | #11 of 130 in Large Size Bookshelf Speakers | #26 of 130 in Large Size Bookshelf Speakers |
| Bass Extension (-10dB) | 35Hz (measured, Erin's Audio Corner) | 38Hz (measured, Erin's Audio Corner) |
| Bass Extension (-3dB) | 53Hz (measured, Erin's Audio Corner) | 56Hz (measured, Erin's Audio Corner) |
| Dimensions | 16.3"H x 8.3"W x 12.4"D (414 x 210.8 x 315 mm) | 22.5"H x 14.5"W x 16.6"D (571.5 x 368.3 x 421.6 mm) |
| Impedance | 4 ohms nominal (3.3 ohms minimum above 80Hz, measured by Erin's Audio Corner) | 8 ohms nominal, 6.4 ohms minimum (measured, Erin's Audio Corner) |
| Drivers | 165 mm (6.5 in.) hybrid aluminium cone woofer, 100 mm (4 in.) aluminium cone midrange, 19 mm (0.75 in.) vented aluminium dome with MAT tweeter | 10" Paper-pulp Cone woofer, 1.25-inch soft-dome tweeter |
| Sensitivity | 84.2dB (measured average, Erin's Audio Corner) | 88.2dB (measured, Erin's Audio Corner) |
| Weight | 20.9 lbs (9.5 kg) each | 46.3 lbs (21.0 kg) each |
| Woofer Cabinet | ported, rear | ported, rear |
| Spinorama Preference Score | 5.32 | 3.25 |
| Spinorama Preference Score with Perfect Sub | 7.01 | 5.27 |
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The Two Speakers In Full
KEF Q Concerto Meta: $1,399.99 per pair Amazon Crutchfield eBay
Pros: Really good in-room neutrality with consistent horizontal directivity from seat to seat. Directivity holds remarkably steady from lower treble into upper treble, where many similarly-priced speakers narrow sharply as frequency rises - one of the reviewer’s top 10 picks under $1,500. Measured bass extension of 53Hz (-3dB), with a measured sensitivity of 84.2dB.
Cons: Radiation pattern measures about ±50°, narrower than the reviewer’s preferred ±60° for a stronger sense of envelopment. Needs to be pointed closer to on-axis rather than heavily toed out - combined with its rolled-off, shelved-down top end, too much toe-out makes it sound noticeably dark.
Full KEF Q Concerto Meta review and specifications →
| Bass Extension (-10dB) | 35Hz (measured, Erin's Audio Corner) |
|---|---|
| Bass Extension (-3dB) | 53Hz (measured, Erin's Audio Corner) |
| Dimensions | 16.3"H x 8.3"W x 12.4"D (414 x 210.8 x 315 mm) |
| Drivers | 165 mm (6.5 in.) hybrid aluminium cone woofer, 100 mm (4 in.) aluminium cone midrange, 19 mm (0.75 in.) vented aluminium dome with MAT tweeter |
| Impedance | 4 ohms nominal (3.3 ohms minimum above 80Hz, measured by Erin's Audio Corner) |
| Sensitivity | 84.2dB (measured average, Erin's Audio Corner) |
| Spinorama Preference Score | 5.32 |
| Spinorama Preference Score with Perfect Sub | 7.01 |
| Weight | 20.9 lbs (9.5 kg) each |
| Woofer Cabinet | ported, rear |
- Links
- Reviews, Comparisons and Sound Samples
- Erin’s Audio Corner: HiFi Perfection? KEF CONCERTO META Delivers! More from Erin’s Audio Corner →
- Erin’s Audio Corner Website KEF Q Concerto Meta
- Erin’s Audio Corner: I Tested 250 Speakers So You Don’t Have To!
- Erin’s Audio Corner: HiFi Perfection? KEF CONCERTO META Delivers!
- Erin’s Audio Corner: My Absolute Favorite Products of 2024 Revealed
- Erin’s Audio Corner Measurements (spinorama.org)
- Head-to-Head Comparisons
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MoFi SourcePoint 10: $3795 per pair Crutchfield eBay
Pros: Andrew Jones-designed concentric/coincident driver delivers best-in-class sound power and early-reflections directivity in the reviewer’s testing - a genuine “point source” design. Vertical and horizontal radiation patterns closely match each other (about ±50° horizontal, ±30-40° vertical), a hallmark benefit of a well-executed concentric driver. Distortion stays low - under 1% above 100Hz at 86dB, and under 3% up to 100Hz even at 96dB, better than the reviewer expected from a low-excursion waveguide-loaded woofer. Surprisingly strong dynamic capability with little audible compression at both low and high volume. Widely spaced (about 11 feet apart) with roughly 15° of toe-out produced a huge, expansive soundstage without significant loss of imaging precision. Solidly built cabinet (about 40 lbs, heavily braced) minimizes cabinet resonance. Measured bass extension of 56Hz (-3dB), with a measured sensitivity of 88.2dB.
Cons: Like virtually all coincident designs, sounds notably bright pointed directly on-axis due to a deliberate treble lift (meant to compensate for the 28mm tweeter’s earlier beaming versus a typical 25mm/1” tweeter) combined with a diffraction dip/peak from the waveguide edge; needs about 15° of toe-out to sound neutral, and even then benefits from an extra 1-2dB of treble EQ. Toeing out further (to 30°) flattens the treble further but introduces a dip in the midrange-to-tweeter crossover region - there’s no single toe-out angle that fixes everything at once. F3 of 56Hz and F10 of 38Hz (about 40Hz in-room) mean genuine deep bass is limited; the reviewer would pair it with a sealed 10” or 12” subwoofer for regular daily listening. Bass extension and cabinet placement trade off against midrange cleanliness: placing it close to a wall for more bass risks a wall-bounce suckout in the midrange (roughly 200-500Hz depending on distance). Not perfectly time-aligned between tweeter and woofer (about 0.4ms delta), an inherent limitation of passive coincident drivers versus actively time-corrected designs. Some resonances appear in measurements, likely port-related. Minimum impedance around 6.4 ohms with EPDR near 3 ohms, so the reviewer recommends sticking with a 4-ohm-rated amplifier to be safe.
Full MoFi SourcePoint 10 review and specifications →
| Bass Extension (-10dB) | 38Hz (measured, Erin's Audio Corner) |
|---|---|
| Bass Extension (-3dB) | 56Hz (measured, Erin's Audio Corner) |
| Dimensions | 22.5"H x 14.5"W x 16.6"D (571.5 x 368.3 x 421.6 mm) |
| Drivers | 10" Paper-pulp Cone woofer, 1.25-inch soft-dome tweeter |
| Impedance | 8 ohms nominal, 6.4 ohms minimum (measured, Erin's Audio Corner) |
| Sensitivity | 88.2dB (measured, Erin's Audio Corner) |
| Spinorama Preference Score | 3.25 |
| Spinorama Preference Score with Perfect Sub | 5.27 |
| Weight | 46.3 lbs (21.0 kg) each |
| Woofer Cabinet | ported, rear |
- Links
- Reviews, Comparisons and Sound Samples
- Head-to-Head Comparisons
- MoFi SourcePoint 10 vs Radiant Acoustics Clarity 6.2
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