ELAC DF63 vs KEF Q750
The ELAC DF63 plays lower (46 Hz vs 48 Hz) and costs less ($649 vs $900). The KEF Q750 is more sensitive (88 dB vs 87.5 dB), so it plays louder per watt and is an easier load for a receiver (8 Ω vs 4 Ω).
What each one works with
Checked against every product in our catalogue by the same engine as the compatibility checker.
| DF63 | Q750 | |
|---|---|---|
| Receivers and amps that drive it | 28 of 29, 14 after a setting change | 29 of 29 |
Specs side by side
Values that differ are bold. A dash means that model doesn't publish the spec.
| DF63 | Q750 | |
|---|---|---|
| Impedance | 4 Ω | 8 Ω |
| Sensitivity | 87.5 dB (2.83 V, 1 m) | 88 dB (2.83 V, 1 m) |
| Low end | 46 Hz | 48 Hz |
| Drivers | 1 × 25 mm, 2 × 165 mm, 1 × 165 mm | 1 × 25 mm, 2 × 165 mm, 2 × 165 mm |
| Size | 8×43×11 in | 13×38×12 in |
| Recommended amplifier power | 30–180 W | 15–150 W |
| Weight | 17.6 kg (38.8 lb) | 16.5 kg (36.4 lb) |
| MSRP | $649 each (MSRP, September 2026) | $900 each (MSRP, January 2025) |
Try either one in your own room.
Draw your room in 3D, place it with the rest of your system, and see every connection checked. Designing is free.
References
- ELAC DF63: Owner's manual, elac.com, retrieved September 15, 2026
- ELAC DF63: Retailer listing, worldwidestereo.com, retrieved September 15, 2026
- ELAC DF63: Retailer listing, headphones.com, retrieved September 15, 2026
- KEF Q750: Owner's manual, assets.kef.com, retrieved September 15, 2026
- KEF Q750: Manufacturer product page, web.archive.org, retrieved September 15, 2026
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