Does the MartinLogan Motion 35XTi work with the Onkyo TX-RZ50?

Verdict
Yes, set it to 4 Ω

The Motion 35XTi is 4 Ω: set the receiver to 4 Ω in its speaker setup.

Speaker load
Set 4 Ω
4 Ω speaker, change it in speaker setup
Power
120 W
More than you need. About 16 W gives 95 dB peaks at 2 m

How to connect them

  1. Connect the Motion 35XTi speakers to the TX-RZ50's front terminals with speaker wire.
  2. In the TX-RZ50's speaker setup, set speaker impedance to 4 Ω.
  3. Run Dirac Live with its microphone at your seat.

Plan the Motion 35XTi and TX-RZ50 in your own room.

Draw your room in 3D, place both, and see every connection checked and how loud they play at your seat. Designing is free.

Build it in your room

The specs that decide it

MartinLogan Motion 35XTi

Impedance
4 Ω
Sensitivity
92 dB (2.83 V, 1 m)
Recommended amplifier power
20–250 W
MSRP
$750 each (MSRP, September 2026)
All Motion 35XTi specs and pairings

Onkyo TX-RZ50

Amplifier channels
9
Height formats
Dolby Atmos, DTS:X
Lowest speaker impedance
4 Ω
MSRP
$1,599 each (MSRP, September 2026)
All TX-RZ50 specs and pairings

Questions about the Motion 35XTi and TX-RZ50

Does the Motion 35XTi work with the TX-RZ50?
Yes, with one setting change. The Motion 35XTi is 4 Ω: set the receiver to 4 Ω in its speaker setup.
Will the TX-RZ50 damage the Motion 35XTi?
Not once it is set up for it: the TX-RZ50 is rated for a 4 Ω speaker with its speaker impedance set to 4 Ω.
What impedance setting should I use for the Motion 35XTi on the TX-RZ50?
4 Ω. Set the receiver to 4 Ω in its speaker setup.
Is the TX-RZ50 powerful enough for the Motion 35XTi?
More than you need. From a seat 2 m away, loud 95 dB movie peaks take about 16 W per speaker, and the TX-RZ50 is rated 120 W per channel. Cinema reference level, 105 dB peaks, takes about 160 W.

Swap one of them

References

  1. MartinLogan Motion 35XTi: Spec sheet, martinlogan.com, retrieved September 15, 2026
  2. MartinLogan Motion 35XTi: Retailer listing, safeandsoundhq.com, retrieved September 15, 2026
  3. Onkyo TX-RZ50: Owner's manual, assets.onkyo-av.com, retrieved September 15, 2026
  4. Onkyo TX-RZ50: Spec sheet, assets.onkyo-av.com, retrieved September 15, 2026
  5. Onkyo TX-RZ50: Retailer listing, upscaleaudio.com, retrieved September 15, 2026

Specs verified against the manufacturer's published data. Last checked September 15, 2026.

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