Short answer: the KEF Q Concerto Meta, if you are buying new. The Revel M106 measures as well as it (#9 vs #11 of 134 bookshelf speakers, 4.6/5 vs 4.6/5) but is discontinued, so only consider it used; the KEF Q Concerto Meta is still sold new at $1,399.99.
Buy the KEF Q Concerto Meta new; the Revel M106 is no longer sold new, so it only makes sense as a used find.
Want more options? Browse the full Passive Home rankings.
Specifications Side By Side
| Revel M106 | KEF Q Concerto Meta | |
|---|---|---|
| Price | Discontinued | $1,399.99 per pair |
| Ranked | #9 of 134 in Large Size Bookshelf Speakers | #11 of 134 in Large Size Bookshelf Speakers |
| Bass Extension (-10dB) | 43Hz (measured, Audio Science Review) | 35Hz (measured, Erin’s Audio Corner) |
| Bass Extension (-3dB) | 60Hz (measured, Audio Science Review) | 53Hz (measured, Erin’s Audio Corner) |
| Impedance | 4 ohms | 4 ohms nominal (3.3 ohms minimum above 80Hz, measured by Erin’s Audio Corner) |
| Sensitivity | 86dB (measured, Audio Science Review) | 84.2dB (measured average, Erin’s Audio Corner) |
| Drivers | 6.5” (16.5 cm) Aluminum Cone, Cast-frame Woofer, 1” (2.5 cm) Aluminum Tweeter with Acoustic Lens Waveguide | 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 |
| Weight | 9.9 lbs (4.5 kg) | 20.9 lbs (9.5 kg) each |
| Dimensions | 15”H x 8.3”W x 11”D (381.0 x 210.8 x 279.4 mm) | 16.3”H x 8.3”W x 12.4”D (414 x 210.8 x 315 mm) |
| Woofer Cabinet | ported, rear | ported, rear |
| Spinorama Preference Score | 5.62 | 6.01 |
| Spinorama Preference Score with Perfect Sub | 7.87 | 7.71 |
| DIY Kit | No | No |
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The Two Speakers In Full
Revel M106 Discontinued eBay
Newer model: the Revel M126Be, ranked lower, rated 4.3/5.
Pros: CEA2034 spinorama shows a fairly even on-axis response with no obvious resonances, and a listening window that sits comfortably above the on-axis curve. Predicted in-room response is called “near ideal” by the reviewer, with a smooth downward slope from bass to treble. Distortion at 96dB SPL/1m stays well controlled through the midrange and treble. Measured bass extension of 60Hz (-3dB), with a measured sensitivity of 86dB.
Cons: Some directivity error and response variation shows up in the crossover region. Horizontal beamwidth of about ±50 degrees is on the narrower side. Vertical directivity requires staying within about ±20 degrees of the reference axis for accurate tonal balance. Minimum impedance dips to 4.6 ohms with several peaks, a moderately demanding load for a compact bookshelf speaker. Discontinued.
Full Revel M106 review and specifications →
| Bass Extension (-10dB) | 43Hz (measured, Audio Science Review) |
|---|---|
| Bass Extension (-3dB) | 60Hz (measured, Audio Science Review) |
| DIY Kit | No |
| Dimensions | 15”H x 8.3”W x 11”D (381.0 x 210.8 x 279.4 mm) |
| Drivers | 6.5” (16.5 cm) Aluminum Cone, Cast-frame Woofer, 1” (2.5 cm) Aluminum Tweeter with Acoustic Lens Waveguide |
| Impedance | 4 ohms |
| Sensitivity | 86dB (measured, Audio Science Review) |
| Spinorama Preference Score | 5.62 |
| Spinorama Preference Score with Perfect Sub | 7.87 |
| Weight | 9.9 lbs (4.5 kg) |
| Woofer Cabinet | ported, rear |
- Links
- Reviews, Comparisons and Sound Samples
- Head-to-Head Comparisons
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) |
| DIY Kit | No |
| 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 | 6.01 |
| Spinorama Preference Score with Perfect Sub | 7.71 |
| 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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