KEF Q1 Meta vs MartinLogan Motion XT B100
The KEF Q1 Meta costs less ($700 vs $850). The MartinLogan Motion XT B100 is more sensitive (93 dB vs 86 dB), so it plays louder per watt and plays lower (45 Hz vs 51 Hz).
What each one works with
Checked against every product in our catalogue by the same engine as the compatibility checker.
| Q1 Meta | Motion XT B100 | |
|---|---|---|
| Receivers and amps that drive it | 28 of 29, 14 after a setting change | 28 of 29, 14 after a setting change |
Specs side by side
Values that differ are bold. A dash means that model doesn't publish the spec.
| Q1 Meta | Motion XT B100 | |
|---|---|---|
| Impedance | 4 Ω | 4 Ω |
| Sensitivity | 86 dB (2.83 V, 1 m) | 93 dB |
| Low end | 51 Hz | 45 Hz |
| Drivers | 1 × 25 mm, 1 × 130 mm | 1 × 32 mm, 1 × 165 mm |
| Size | 7×12×11 in | 8×14×13 in |
| Recommended amplifier power | 10–150 W | 20–250 W |
| Weight | 6.1 kg (13.4 lb) | 9.3 kg (20.5 lb) |
| MSRP | $700 a pair (MSRP, September 2026) | $850 each (MSRP, September 2026) |
Every spec and pairing: KEF Q1 Meta, MartinLogan Motion XT B100.
Try either one in your own room.
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References
- KEF Q1 Meta: Spec sheet, assets.kef.com, retrieved September 15, 2026
- KEF Q1 Meta: Manufacturer product page, us.kef.com, retrieved September 15, 2026
- MartinLogan Motion XT B100: Spec sheet, martinlogan.com, retrieved September 15, 2026
- MartinLogan Motion XT B100: Retailer listing, audioadvice.com, retrieved September 15, 2026
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