Will the RX-V6A damage the Q350?

No. The RX-V6A is rated for the Q350's 8 Ω load as it comes.

What impedance setting should I use for the Q350 on the RX-V6A?

None: the Q350 is 8 Ω, and the RX-V6A needs no change for it.

Is the RX-V6A 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 RX-V6A is rated 100 W per channel. Cinema reference level, 105 dB peaks, takes about 253 W.

Does the KEF Q350 work with the Yamaha RX-V6A?

Verdict

Yes

The Q350 is 8 Ω, and the RX-V6A is rated for speakers down to 4 Ω, so it drives them as is.

Speaker load

8 Ω speaker, rated down to 4 Ω

Power

100 W

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

How to connect them

Connect the Q350 speakers to the RX-V6A's front terminals with speaker wire.
Run YPAO with its microphone at your seat.

Plan the Q350 and RX-V6A 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

Yamaha RX-V6A

Amplifier channels: 7
Height formats: Dolby Atmos, DTS:X
Lowest speaker impedance: 4 Ω
MSRP: $800 each (MSRP, October 2025)

All RX-V6A specs and pairings

Questions about the Q350 and RX-V6A

Does the Q350 work with the RX-V6A?: Yes. The Q350 is 8 Ω, and the RX-V6A is rated for speakers down to 4 Ω, so it drives them as is.
Will the RX-V6A damage the Q350?: No. The RX-V6A is rated for the Q350's 8 Ω load as it comes.
What impedance setting should I use for the Q350 on the RX-V6A?: None: the Q350 is 8 Ω, and the RX-V6A needs no change for it.
Is the RX-V6A 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 RX-V6A is rated 100 W per channel. Cinema reference level, 105 dB peaks, takes about 253 W.

Swap one of them

KEF Q350 + Onkyo TX-NR6100Works
KEF Q350 + Denon AVR-X1800HWorks
Bowers & Wilkins 606 S3 + Yamaha RX-V6AWorks
KEF LS50 Meta + Yamaha RX-V6AWorks

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.