Will the XPA-2 Gen3 damage the Lumina I?

No. The XPA-2 Gen3 is rated for the Lumina I's 4 Ω load as it comes.

What impedance setting should I use for the Lumina I on the XPA-2 Gen3?

None: the Lumina I is 4 Ω, and the XPA-2 Gen3 needs no change for it.

Is the XPA-2 Gen3 powerful enough for the Lumina I?

Comfortable. From a seat 2 m away, loud 95 dB movie peaks take about 101 W per speaker, and the XPA-2 Gen3 is rated 300 W per channel. Cinema reference level, 105 dB peaks, takes about 1005 W.

Does the Sonus faber Lumina I work with the Emotiva XPA-2 Gen3?

Verdict

Yes

The Lumina I is 4 Ω, and the XPA-2 Gen3 is rated for speakers down to 4 Ω, so it drives them as is.

Speaker load

4 Ω speaker, rated down to 4 Ω

Power

300 W

Comfortable. About 101 W gives 95 dB peaks at 2 m

How to connect them

Connect the XPA-2 Gen3's inputs to the pre-outs of your receiver or processor: a power amplifier has no volume control of its own.
Connect each Lumina I to one of the XPA-2 Gen3's channels with speaker wire.

Plan the Lumina I and XPA-2 Gen3 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

Sonus faber Lumina I

Impedance: 4 Ω
Sensitivity: 84 dB (2.83 V, 1 m)
Recommended amplifier power: 30–100 W
MSRP: $1,200 a pair (MSRP, September 2026)

All Lumina I specs and pairings

Emotiva XPA-2 Gen3

Channels: 2
Lowest impedance: 4 Ω
MSRP: $1,499 each (MSRP, September 2026)

All XPA-2 Gen3 specs and pairings

Questions about the Lumina I and XPA-2 Gen3

Does the Lumina I work with the XPA-2 Gen3?: Yes. The Lumina I is 4 Ω, and the XPA-2 Gen3 is rated for speakers down to 4 Ω, so it drives them as is.
Will the XPA-2 Gen3 damage the Lumina I?: No. The XPA-2 Gen3 is rated for the Lumina I's 4 Ω load as it comes.
What impedance setting should I use for the Lumina I on the XPA-2 Gen3?: None: the Lumina I is 4 Ω, and the XPA-2 Gen3 needs no change for it.
Is the XPA-2 Gen3 powerful enough for the Lumina I?: Comfortable. From a seat 2 m away, loud 95 dB movie peaks take about 101 W per speaker, and the XPA-2 Gen3 is rated 300 W per channel. Cinema reference level, 105 dB peaks, takes about 1005 W.

Swap one of them

References

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

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