Polk Reserve R500 is a slim floorstanding speaker for a stereo pair or the front of a matched cinema. This product supplies the pair, giving a medium-sized room full-height speakers without the broader cabinet of the larger Reserve towers.
Twin 5.25-inch Turbine Cones work below a Pinnacle Ring Radiator tweeter, with Polk's rear X-Port using tuned resonators to reduce vent and cabinet noise. The narrow baffle and rounded edges also limit the hard diffraction points common to square boxes.
Leave some space behind the ports and begin with mild toe-in toward the main seats. The 3.9-ohm minimum means amplifier quality matters more than the friendly 87 dB sensitivity alone suggests.
For official details on Polk R500 Floorstander (Pair), view the Polk Reserve R500 product page.
| ITEM | DESCRIPTION |
| Slim twin-woofer tower | The R500 provides floorstanding scale without a wide front baffle. |
| Pinnacle Ring Radiator | A shaped waveguide distributes high frequencies across the listening area. |
| Turbine Cone rigidity | Patterned mid-bass diaphragms retain control without a heavier cone. |
| X-Port resonance control | Tuned internal pipes absorb unwanted port and enclosure modes. |
| Optional Reserve height module | The cabinet can support an R900 for a compatible Atmos installation. |
| DETAIL | VALUE |
| Speaker type | Two-way floorstanding |
| Overall frequency response | 35 Hz to 50 kHz |
| Response at -3 dB | 49 Hz to 36 kHz |
| Sensitivity | 87 dB at 2.83 V per metre |
| Amplifier compatibility | 8, 6 or 4 ohm outputs |
| Minimum impedance | 3.9 ohms |
| Recommended amplifier power | 25 to 200 W |
| Crossover frequency | 2.5 kHz |
| Drivers | 2 × 5.25 inch Turbine Cones and 1 × 1 inch Ring Radiator |
| Dimensions | 255.4 × 1044.5 × 348.8 mm |
| Weight | 17.7 kg each |
| Sold as | Pair in this listing |
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