KEF Q Concerto Meta vs AsciLab F6B

Last updated: September 25, 2026

Short answer: the AsciLab F6B. Both are rated 4.6/5 for sound quality (#12 and #11 of 131 bookshelf speakers), and the AsciLab F6B costs $980 against $1,399.99 for the KEF Q Concerto Meta, and with sound quality even, the cheaper one is the better buy.

KEF Q Concerto Meta vs AsciLab F6B

The case for the KEF Q Concerto Meta: Really good in-room neutrality with consistent horizontal directivity from seat to seat. Watch for: Radiation pattern measures about ±50°, narrower than the reviewer’s preferred ±60° for a stronger sense of envelopment.

What the AsciLab F6B does well: Called by the reviewer the best sub-$1000 pair of speakers he’s come across to date. Watch for: A mild sibilance-inducing lift around 6-8kHz, most noticeable on female vocals, paired with a shallow dip in the upper midrange - correctable with a simple 3-band EQ the reviewer provided.

Buy the AsciLab F6B. Both are rated the same for sound quality, and it costs $419.99 less than the KEF Q Concerto Meta.

Want more options? Browse the full Passive Home rankings.

Specifications Side By Side

KEF Q Concerto Meta AsciLab F6B
Price$1,399.99 per pair$980 per pair
Ranked#11 of 131 in Large Size Bookshelf Speakers#12 of 131 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)
Dimensions16.3”H x 8.3”W x 12.4”D (414 x 210.8 x 315 mm)15.7” x 8” x 10.4” (400 x 203 x 265 mm)
Impedance4 ohms nominal (3.3 ohms minimum above 80Hz, measured by Erin’s Audio Corner)4 ohms nominal (3.5 ohms minimum above 80Hz, measured by Erin’s Audio Corner)
Drivers165 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 tweeter1” aluminum dome tweeter, 6” fiber cone woofer
Sensitivity84.2dB (measured average, Erin’s Audio Corner)85dB (2.83V/1m, measured by Erin’s Audio Corner)
Weight20.9 lbs (9.5 kg) each16.5 lbs (7.5 kg) each
Woofer Cabinetported, rearPassive radiator loaded
Spinorama Preference Score6.016.32
Spinorama Preference Score with Perfect Sub7.718.26
DIY KitNoNo
Crossover Frequency-1000Hz
Recommended Power-up to 125W

More top alternatives to KEF Q Concerto Meta:

Prices on this page were last checked September 26, 2026 at 11:14 PM UTC. Product prices and availability are accurate as of that date/time and are subject to change; the price and availability shown on Amazon at the time of purchase will apply to the purchase of this product.

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The Two Speakers In Full

KEF Q Concerto Meta: $1,399.99 per pair Amazon Crutchfield eBay

KEF Q Concerto Meta ranking card

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.

Bass Extension (-10dB)35Hz (measured, Erin’s Audio Corner)
Bass Extension (-3dB)53Hz (measured, Erin’s Audio Corner)
DIY KitNo
Dimensions16.3”H x 8.3”W x 12.4”D (414 x 210.8 x 315 mm)
Drivers165 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
Impedance4 ohms nominal (3.3 ohms minimum above 80Hz, measured by Erin’s Audio Corner)
Sensitivity84.2dB (measured average, Erin’s Audio Corner)
Spinorama Preference Score6.01
Spinorama Preference Score with Perfect Sub7.71
Weight20.9 lbs (9.5 kg) each
Woofer Cabinetported, rear

AsciLab F6B: $980 per pair Ascilab eBay

AsciLab F6B ranking card

Pros: Called by the reviewer the best sub-$1000 pair of speakers he’s come across to date. Very good on-axis linearity and directivity for the price, with a large waveguide-loaded 1” aluminum dome tweeter that keeps a two-way design well-behaved through the crossover. Nice midbass punch from a slightly undersized enclosure alignment that gives kick drums extra impact. Solid, unfussy tonal balance overall. Measured bass extension of 56Hz (-3dB), with a measured sensitivity of 85dB.

Cons: A mild sibilance-inducing lift around 6-8kHz, most noticeable on female vocals, paired with a shallow dip in the upper midrange - correctable with a simple 3-band EQ the reviewer provided. In-room bass extension is only about 50-60Hz despite a 6” woofer, trading some low-end reach for that extra midbass punch. Compression and graininess creep in at higher volumes (upper 80s to low 90s dB at 10ft), and directivity (~50-60 degrees horizontal) is narrower than the reviewer’s other current favorite, the Audio First Cadentia 3.

Bass Extension (-10dB)38Hz (measured, Erin’s Audio Corner)
Bass Extension (-3dB)56Hz (measured, Erin’s Audio Corner)
Crossover Frequency1000Hz
DIY KitNo
Dimensions15.7” x 8” x 10.4” (400 x 203 x 265 mm)
Drivers1” aluminum dome tweeter, 6” fiber cone woofer
Impedance4 ohms nominal (3.5 ohms minimum above 80Hz, measured by Erin’s Audio Corner)
Recommended Powerup to 125W
Sensitivity85dB (2.83V/1m, measured by Erin’s Audio Corner)
Spinorama Preference Score6.32
Spinorama Preference Score with Perfect Sub8.26
Weight16.5 lbs (7.5 kg) each
Woofer CabinetPassive radiator loaded