The Polk Audio Reserve R100 is a compact high-performance bookshelf speaker designed for stereo music and home cinema systems. Each speaker combines Polk's 1-inch Pinnacle Ring Radiator tweeter with a 5.25-inch Turbine Cone mid/bass driver and X-Port technology, delivering detailed high frequencies, clear midrange and controlled bass from a compact enclosure.
| Product Type | Passive Bookshelf / Standmount Speaker |
|---|---|
| Series | Polk Audio Reserve |
| Design | 2-Way Bookshelf Speaker |
| Tweeter | 1 × 1" (25.4mm) Pinnacle Ring Radiator |
| Mid / Bass Driver | 1 × 5.25" (133.4mm) Turbine Cone |
| Total Frequency Response | 44Hz – 50kHz |
| Frequency Response (-3dB) | 58Hz – 39kHz |
| Sensitivity | 86dB (2.83V / 1m) |
| Nominal Impedance | 4Ω |
| Minimum Impedance | 3.6Ω |
| Recommended Amplifier Power | 30 – 150W per Channel |
| Crossover Frequency | 2.7kHz |
| Bass Technology | X-Port with Eigentone Filter |
| Speaker Connections | 5-Way Binding Posts |
| Hi-Res Audio Certified | Yes |
| Dimensions (W × H × D) | 166 × 324 × 260mm per Speaker |
| Weight | 5.5kg per Speaker |
| Quantity | Pair (2 Speakers) |
The Reserve R100 can serve as the main left and right speakers in a compact Hi-Fi system or as front, surround or rear speakers in a Polk Reserve home cinema setup. Its compact dimensions make it suitable for stand or shelf placement, while its 4Ω nominal impedance and 30–150W recommended amplifier range should be matched with a compatible stereo amplifier or AV receiver.