KEF Q250c vs SVS Ultra Evolution Center
The KEF Q250c is an easier load for a receiver (8 Ω vs 6 Ω) and costs less ($600 vs $800). The SVS Ultra Evolution Center plays lower (40 Hz vs 68 Hz).
What each one works with
Checked against every product in our catalogue by the same engine as the compatibility checker.
| Q250c | Ultra Evolution Center | |
|---|---|---|
| Receivers and amps that drive it | 29 of 29 | 29 of 29 |
Specs side by side
Values that differ are bold. A dash means that model doesn't publish the spec.
| Q250c | Ultra Evolution Center | |
|---|---|---|
| Impedance | 8 Ω | 6 Ω |
| Sensitivity | 87 dB (2.83 V, 1 m) | 87 dB (2.83 V, 1 m) |
| Low end | 68 Hz | 40 Hz |
| Drivers | 1 × 25 mm, 1 × 130 mm, 2 × 130 mm | 1 × 25 mm, 1 × 114 mm, 2 × 165 mm |
| Size | 21×7×8 in | 22×8×12 in |
| Recommended amplifier power | 10–100 W | 20–225 W |
| Weight | 7.5 kg (16.5 lb) | 12.2 kg (26.9 lb) |
| MSRP | $600 each (MSRP, October 2025) | $800 each (MSRP, September 2026) |
Every spec and pairing: KEF Q250c, SVS Ultra Evolution Center.
Try either one in your own room.
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References
- KEF Q250c: Manufacturer product page, web.archive.org, retrieved September 15, 2026
- KEF Q250c: Manufacturer product page, international.kef.com, retrieved September 15, 2026
- SVS Ultra Evolution Center: Owner's manual, avstyle.nl, retrieved September 15, 2026
- SVS Ultra Evolution Center: Independent measurement, ecoustics.com, retrieved September 15, 2026
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