Will the XLS 1502 damage the Q350?

No. The XLS 1502 is rated for the Q350's 8 Ω load as it comes.

What impedance setting should I use for the Q350 on the XLS 1502?

None: the Q350 is 8 Ω, and the XLS 1502 needs no change for it.

Is the XLS 1502 powerful enough for the Q350?

More than you need. From a seat 2 m away, loud 95 dB movie peaks take about 26 W per speaker, and the XLS 1502 is rated 300 W per channel. Cinema reference level, 105 dB peaks, takes about 253 W.

Does the KEF Q350 work with the Crown XLS 1502?

Verdict

Yes

The Q350 is 8 Ω, and the XLS 1502 is rated for speakers down to 2 Ω, so it drives them as is.

Speaker load

8 Ω speaker, rated down to 2 Ω

Power

300 W

More than you need. About 26 W gives 95 dB peaks at 2 m

How to connect them

Connect the XLS 1502's inputs to the pre-outs of your receiver or processor: a power amplifier has no volume control of its own.
Connect each Q350 to one of the XLS 1502's channels with speaker wire.

Plan the Q350 and XLS 1502 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

KEF Q350

Impedance: 8 Ω
Sensitivity: 87 dB (2.83 V, 1 m)
Recommended amplifier power: 15–120 W
MSRP: $800 a pair (MSRP, August 2025)

All Q350 specs and pairings

Crown XLS 1502

Channels: 2
Lowest impedance: 2 Ω
MSRP: $810 each (MSRP, September 2026)

All XLS 1502 specs and pairings

Questions about the Q350 and XLS 1502

Does the Q350 work with the XLS 1502?: Yes. The Q350 is 8 Ω, and the XLS 1502 is rated for speakers down to 2 Ω, so it drives them as is.
Will the XLS 1502 damage the Q350?: No. The XLS 1502 is rated for the Q350's 8 Ω load as it comes.
What impedance setting should I use for the Q350 on the XLS 1502?: None: the Q350 is 8 Ω, and the XLS 1502 needs no change for it.
Is the XLS 1502 powerful enough for the Q350?: More than you need. From a seat 2 m away, loud 95 dB movie peaks take about 26 W per speaker, and the XLS 1502 is rated 300 W per channel. Cinema reference level, 105 dB peaks, takes about 253 W.

Swap one of them

KEF Q350 + Yamaha RX-V6AWorks
KEF Q350 + Onkyo TX-NR6100Works

References

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

Brand names are trademarks of their owners. Not affiliated with or endorsed by any manufacturer. 3D models are our approximations. Prices are manufacturer list prices (MSRP) as of the month shown. How we earn from buy links: affiliate disclosure.