Will the VSX-LX305 damage the RP-500C II?

No. The VSX-LX305 is rated for the RP-500C II's 8 Ω load as it comes.

What impedance setting should I use for the RP-500C II on the VSX-LX305?

None: the RP-500C II is 8 Ω, and the VSX-LX305 needs no change for it.

Is the VSX-LX305 powerful enough for the RP-500C II?

More than you need. From a seat 2 m away, loud 95 dB movie peaks take about 6 W per speaker, and the VSX-LX305 is rated 100 W per channel. Cinema reference level, 105 dB peaks, takes about 51 W.

Does the Klipsch RP-500C II work with the Pioneer VSX-LX305?

Verdict

Yes

The RP-500C II is 8 Ω, and the VSX-LX305 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 6 W gives 95 dB peaks at 2 m

How to connect them

Connect the RP-500C II speakers to the VSX-LX305's front terminals with speaker wire.
Run Advanced MCACC with its microphone at your seat.

Plan the RP-500C II and VSX-LX305 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-500C II

Impedance: 8 Ω
Sensitivity: 94 dB (2.83 V, 1 m) in-room
MSRP: $499 each (MSRP, July 2022)

All RP-500C II specs and pairings

Pioneer VSX-LX305

Amplifier channels: 9
Height formats: Dolby Atmos, DTS:X
Lowest speaker impedance: 4 Ω
MSRP: $1,199 each (MSRP, February 2025)

All VSX-LX305 specs and pairings

Questions about the RP-500C II and VSX-LX305

Does the RP-500C II work with the VSX-LX305?: Yes. The RP-500C II is 8 Ω, and the VSX-LX305 is rated for speakers down to 4 Ω, so it drives them as is.
Will the VSX-LX305 damage the RP-500C II?: No. The VSX-LX305 is rated for the RP-500C II's 8 Ω load as it comes.
What impedance setting should I use for the RP-500C II on the VSX-LX305?: None: the RP-500C II is 8 Ω, and the VSX-LX305 needs no change for it.
Is the VSX-LX305 powerful enough for the RP-500C II?: More than you need. From a seat 2 m away, loud 95 dB movie peaks take about 6 W per speaker, and the VSX-LX305 is rated 100 W per channel. Cinema reference level, 105 dB peaks, takes about 51 W.

Swap one of them

References

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

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