| Speaker Type | Passive |
| Nominal Impedance (ohms) | 8 |
| Sensitivity (dB) | 88 |
| Recommended Amp Power (min) | 50 |
| Recommended Amp Power (max) | 300 |
| Low Frequency Response (Hz) | 38 |
| High Frequency Response (Hz) | 38,000 |
| Amplification | Passive |
Sources
https://www.polkaudio.com/en/product/home-speakers/floor-standing/reserve-r700/R700.html•https://www.polkaudio.com/on/demandware.static/-/Library-Sites-polk_northamerica_shared/default/dwd8453c50/downloads/reserve-r500-r600-r700-infosheet-en.pdf•https://www.audioholics.com/tower-speaker-reviews/polk-reserve-r700
| Amplifier | Match Rating | Headroom |
|---|---|---|
| Accuphase E-3000 | Recommended | 100% |
| Arcam A25+ | Recommended | 100% |
| Cambridge Audio EXA100 | Recommended | 100% |
| Cambridge Audio AXR100 | Recommended | 100% |
| Cambridge Audio Edge A | Recommended | 100% |