Klipsch RP-500M II vs Polk Reserve R100

The Klipsch RP-500M II is more sensitive (92 dB vs 86 dB), so it plays louder per watt, plays lower (50 Hz vs 58 Hz) and costs less ($550 vs $699).

What each one works with

Checked against every product in our catalogue by the same engine as the compatibility checker.

RP-500M IIReserve R100
Receivers and amps that drive it29 of 2929 of 29

Specs side by side

Values that differ are bold. A dash means that model doesn't publish the spec.

RP-500M IIReserve R100
Impedance8 Ω8 Ω
Sensitivity92 dB (2.83 V, 1 m) in-room86 dB (2.83 V, 1 m)
Low end50 Hz58 Hz
Drivers1 × 25 mm, 1 × 133 mm1 × 25 mm, 1 × 133 mm
Size7×14×11 in6×13×10 in
Weight5.95 kg (13.1 lb)5.5 kg (12.1 lb)
MSRP$550 a pair (MSRP, September 2026)$699 a pair (MSRP, September 2026)
Recommended amplifier power—30–150 W

Every spec and pairing: Klipsch RP-500M II, Polk Reserve R100.

Try either one in your own room.

Draw your room in 3D, place it with the rest of your system, and see every connection checked. Designing is free.

References

  1. Klipsch RP-500M II: Spec sheet, assets.klipsch.com, retrieved September 15, 2026
  2. Klipsch RP-500M II: Retailer listing, crutchfield.com, retrieved September 15, 2026
  3. Polk Reserve R100: Owner's manual, polkaudio.com, retrieved September 15, 2026
  4. Polk Reserve R100: Manufacturer product page, polkaudio.com, retrieved September 15, 2026

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