SVS Ultra Evolution Center vs KEF Q6 Meta

Last updated: October 5, 2026

Short answer: the SVS Ultra Evolution Center. It ranks #23 of 98 center channel speakers by sound quality, rated 4.1/5, at $799; the KEF Q6 Meta ranks #31, rated 3.9/5, and costs $849.99, so there is little reason to consider the other one.

SVS Ultra Evolution Center vs KEF Q6 Meta

Why pick the SVS Ultra Evolution Center: Flagship 3-way design with acoustically centered time-aligned baffle: 1-inch diamond-coated tweeter and 4.5-inch composite midrange vertically aligned between dual 6.5-inch woofers. The tradeoff: Substantial 22-inch width and 27-pound mass require a sturdy media credenza.

Why pick the KEF Q6 Meta: A true three-way center with a Uni-Q coaxial driver (0.75” vented aluminium tweeter with MAT inside a 4” midrange) between two 6.5” bass drivers, replacing the two-way Q650c at about the same price. The tradeoff: The only measurements are KEF’s own, and spinorama.org computes no preference score for them, so the ranking is an estimate.

Buy the SVS Ultra Evolution Center. It is rated higher for sound quality than the KEF Q6 Meta and costs less, so it is the default pick unless a specific strength of the other one matters more to you.

Still deciding? The full Passive Home rankings cover every ranked option.

Specifications Side By Side

SVS Ultra Evolution Center KEF Q6 Meta
Price$799.00$849.99 each
Ranked#23 of 98 in Center Channel Speakers#31 of 98 in Center Channel Speakers
Drivers1” diamond-coated tweeter, 4.5” glass-fiber midrange, 2 x 6.5” glass-fiber woofersUni-Q: 19mm (0.75”) vented aluminium dome tweeter with MAT, 100mm (4”) aluminium midrange; 2x 165mm (6.5”) hybrid aluminium bass units
Frequency Response40Hz - 40kHz (±3dB)63Hz-20kHz ±3dB (manufacturer specified)
Sensitivity87dB (2.83V/1m)86dB (2.83V/1m, manufacturer specified)
Impedance6 ohms nominal4 ohms nominal, 3.2 ohms minimum (manufacturer specified)
Dimensions7.7”H x 22”W x 11.8”D (195 x 560 x 299 mm)8.3”H x 24.8”W x 11.9”D (210 x 629 x 303 mm)
Weight26.9 lbs (12.2 kg)31.1 lbs (14.1 kg)
DIY KitNoNo
Maximum SPL-109dB (manufacturer specified)
Woofer Cabinet-sealed
Bass Extension (-3dB)-60.7Hz (measured, manufacturer data via spinorama.org)
Bass Extension (-10dB)-about 39.6Hz (measured, manufacturer data via spinorama.org)

More top alternatives to SVS Ultra Evolution Center:

Prices on this page were last checked October 5, 2026 at 10:21 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

SVS Ultra Evolution Center: $799.00 Estimated Amazon eBay

SVS Ultra Evolution Center ranking card

Pros: Flagship 3-way design with acoustically centered time-aligned baffle: 1-inch diamond-coated tweeter and 4.5-inch composite midrange vertically aligned between dual 6.5-inch woofers. Delivers wide, uniform horizontal coverage without MTM dialogue suckouts.

Cons: Substantial 22-inch width and 27-pound mass require a sturdy media credenza. Rating estimated from Ultra Evolution family testing.

DIY KitNo
Dimensions7.7”H x 22”W x 11.8”D (195 x 560 x 299 mm)
Drivers1” diamond-coated tweeter, 4.5” glass-fiber midrange, 2 x 6.5” glass-fiber woofers
Frequency Response40Hz - 40kHz (±3dB)
Impedance6 ohms nominal
Sensitivity87dB (2.83V/1m)
Weight26.9 lbs (12.2 kg)

KEF Q6 Meta: $849.99 each Amazon eBay

KEF Q6 Meta ranking card

Older models: the KEF Q250c (ranked lower, rated 3.9/5) and the KEF Q650c (ranked lower, rated 3.7/5).

Pros: A true three-way center with a Uni-Q coaxial driver (0.75” vented aluminium tweeter with MAT inside a 4” midrange) between two 6.5” bass drivers, replacing the two-way Q650c at about the same price. KEF’s Spinorama data shows the most consistent directivity of any center here (2.78dB directivity index deviation), so reflected sound matches the direct sound closely, with the listening window within 2.1dB from 300Hz to 5kHz. Bass reaches 60.7Hz (-3dB) and about 40Hz (-10dB), deep for a center at $850.

Cons: The only measurements are KEF’s own, and spinorama.org computes no preference score for them, so the ranking is an estimate. Sensitivity is a low 86dB and the impedance dips to 3.2 ohms, so it wants a receiver with some power in reserve. Maximum output is rated at 109dB.

Bass Extension (-10dB)about 39.6Hz (measured, manufacturer data via spinorama.org)
Bass Extension (-3dB)60.7Hz (measured, manufacturer data via spinorama.org)
DIY KitNo
Dimensions8.3”H x 24.8”W x 11.9”D (210 x 629 x 303 mm)
DriversUni-Q: 19mm (0.75”) vented aluminium dome tweeter with MAT, 100mm (4”) aluminium midrange; 2x 165mm (6.5”) hybrid aluminium bass units
Frequency Response63Hz-20kHz ±3dB (manufacturer specified)
Impedance4 ohms nominal, 3.2 ohms minimum (manufacturer specified)
Maximum SPL109dB (manufacturer specified)
Sensitivity86dB (2.83V/1m, manufacturer specified)
Weight31.1 lbs (14.1 kg)
Woofer Cabinetsealed