Will the TX-NR6100 damage the RP-600M II?

No. The TX-NR6100 is rated for the RP-600M II's 8 Ω load as it comes.

What impedance setting should I use for the RP-600M II on the TX-NR6100?

None: the RP-600M II is 8 Ω, and the TX-NR6100 needs no change for it.

Is the TX-NR6100 powerful enough for the RP-600M II?

More than you need. From a seat 2 m away, loud 95 dB movie peaks take about 5 W per speaker, and the TX-NR6100 is rated 100 W per channel. Cinema reference level, 105 dB peaks, takes about 45 W.

Does the Klipsch RP-600M II work with the Onkyo TX-NR6100?

Verdict

Yes

The RP-600M II is 8 Ω, and the TX-NR6100 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 5 W gives 95 dB peaks at 2 m

How to connect them

Connect the RP-600M II speakers to the TX-NR6100's front terminals with speaker wire.
Run AccuEQ with its microphone at your seat.

Plan the RP-600M II and TX-NR6100 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

Klipsch RP-600M II

Impedance: 8 Ω
Sensitivity: 94.5 dB (2.83 V, 1 m) in-room
MSRP: $700 a pair (MSRP, September 2026)

All RP-600M II specs and pairings

Onkyo TX-NR6100

Amplifier channels: 7
Height formats: Dolby Atmos, DTS:X
Lowest speaker impedance: 4 Ω
MSRP: $799 each (MSRP, May 2025)

All TX-NR6100 specs and pairings

Questions about the RP-600M II and TX-NR6100

Does the RP-600M II work with the TX-NR6100?: Yes. The RP-600M II is 8 Ω, and the TX-NR6100 is rated for speakers down to 4 Ω, so it drives them as is.
Will the TX-NR6100 damage the RP-600M II?: No. The TX-NR6100 is rated for the RP-600M II's 8 Ω load as it comes.
What impedance setting should I use for the RP-600M II on the TX-NR6100?: None: the RP-600M II is 8 Ω, and the TX-NR6100 needs no change for it.
Is the TX-NR6100 powerful enough for the RP-600M II?: More than you need. From a seat 2 m away, loud 95 dB movie peaks take about 5 W per speaker, and the TX-NR6100 is rated 100 W per channel. Cinema reference level, 105 dB peaks, takes about 45 W.

Swap one of them

Klipsch RP-600M II + Yamaha RX-V6AWorks
Klipsch RP-600M II + Denon AVR-X1800HWorks
SVS Prime Tower + Onkyo TX-NR6100Works
KEF Q350 + Onkyo TX-NR6100Works

References

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

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