Will the M7100X damage the RP-500SA II?

No. The M7100X is rated for the RP-500SA II's 8 Ω load as it comes.

What impedance setting should I use for the RP-500SA II on the M7100X?

None: the RP-500SA II is 8 Ω, and the M7100X needs no change for it.

How many watts does the RP-500SA II need?

Klipsch doesn't publish the RP-500SA II's sensitivity or impedance, so we can't work out a wattage for it. Compare the M7100X's power rating with Klipsch's recommendation.

Does the Klipsch RP-500SA II work with the Monoprice M7100X?

Verdict

Yes

The RP-500SA II is 8 Ω, and the M7100X 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

—

Sensitivity not published

How to connect them

Connect the M7100X's inputs to the pre-outs of your receiver or processor: a power amplifier has no volume control of its own.
Connect each RP-500SA II to one of the M7100X's channels with speaker wire.

Plan the RP-500SA II and M7100X 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-500SA II

Impedance: 8 Ω
MSRP: $650 a pair (MSRP, September 2026)

All RP-500SA II specs and pairings

Monoprice M7100X

Channels: 7
Lowest impedance: 4 Ω
MSRP: $650 each (MSRP, September 2026)

All M7100X specs and pairings

Questions about the RP-500SA II and M7100X

Does the RP-500SA II work with the M7100X?: Yes. The RP-500SA II is 8 Ω, and the M7100X is rated for speakers down to 4 Ω, so it drives them as is.
Will the M7100X damage the RP-500SA II?: No. The M7100X is rated for the RP-500SA II's 8 Ω load as it comes.
What impedance setting should I use for the RP-500SA II on the M7100X?: None: the RP-500SA II is 8 Ω, and the M7100X needs no change for it.
How many watts does the RP-500SA II need?: Klipsch doesn't publish the RP-500SA II's sensitivity or impedance, so we can't work out a wattage for it. Compare the M7100X's power rating with Klipsch's recommendation.

Swap one of them

References

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

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