KEF LS50 Meta vs MartinLogan Motion 35XTi

The KEF LS50 Meta is an easier load for a receiver (8 Ω vs 4 Ω). The MartinLogan Motion 35XTi is more sensitive (92 dB vs 85 dB), so it plays louder per watt, plays lower (50 Hz vs 79 Hz) and costs less ($750 vs $1,600).

What each one works with

Checked against every product in our catalogue by the same engine as the compatibility checker.

LS50 MetaMotion 35XTi
Receivers and amps that drive it29 of 2928 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.

LS50 MetaMotion 35XTi
Impedance8 Ω4 Ω
Sensitivity85 dB (2.83 V, 1 m)92 dB (2.83 V, 1 m)
Low end79 Hz50 Hz
Drivers1 × 25 mm, 1 × 130 mm1 × 32 mm, 1 × 165 mm
Size8×12×11 in8×14×12 in
Recommended amplifier power40–100 W20–250 W
Weight7.8 kg (17.2 lb)8.4 kg (18.5 lb)
MSRP$1,600 a pair (MSRP, September 2026)$750 each (MSRP, September 2026)

Every spec and pairing: KEF LS50 Meta, MartinLogan Motion 35XTi.

Try either one in your own room.

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References

  1. KEF LS50 Meta: Spec sheet, assets.kef.com, retrieved September 15, 2026
  2. KEF LS50 Meta: Owner's manual, assets.kef.com, retrieved September 15, 2026
  3. KEF LS50 Meta: Manufacturer product page, us.kef.com, retrieved September 15, 2026
  4. MartinLogan Motion 35XTi: Spec sheet, martinlogan.com, retrieved September 15, 2026
  5. MartinLogan Motion 35XTi: Retailer listing, safeandsoundhq.com, retrieved September 15, 2026

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