| Passive |
| Nominal Impedance (ohms) | 8 |
| Sensitivity (dB) | 92 |
| Recommended Amp Power (min) | 75 |
| Recommended Amp Power (max) | 300 |
| Low Frequency Response (Hz) | 50 |
| High Frequency Response (Hz) | 25,000 |
| Amplification | Passive |
Sources
https://www.bestbuy.com/product/klipsch-reference-premiere-dual-5-25-300-watt-passive-2-way-bookshelf-speaker-pair-ebony/JX44FCKVGC/sku/6506606•https://support.klipsch.com/hc/en-us/articles/6159024284180-RP-500M-II-Specification-Sheet•https://www.bhphotovideo.com/c/product/1693230-REG/klipsch_1070017_rp_500m_ii_booksshelf_speakers.html
| Amplifier | Match Rating | Headroom |
|---|---|---|
| Anthem STR Power Amplifier | Excellent | 33% |
| Buckeye Amps NCx500 Monoblock | Excellent | 27% |
| Crown XLS 2502 | Excellent | 47% |
| McIntosh MC611 | Excellent | 100% |
| McIntosh MC462 | Excellent | 50% |