Front view — side by side at true scale
APolk Reserve R700BMission ZX-3
| A | B | |
|---|---|---|
| Manufacturer | Polk | Mission |
| Model | Reserve R700 | ZX-3 |
| HiFi ladder position | #170 of 281 floorstander | #134 of 281 floorstander |
| Height | 1144 mm | 1101 mm |
| Width | 328 mm | 240 mm |
| Depth | 428 mm | 362 mm |
| Weight | 35.9 kg | 20.4 kg |
| Enclosure | bass-reflex-down | bass-reflex-rear |
| Drivers | 1× 25 mm tweeter (Pinnacle ring radiator), 1× 165 mm midrange (Turbine cone), 2× 203 mm woofer (polypropylene cone) | 1× 130 mm mid-bass (aluminium), 1× 38 mm tweeter (ring dome) |
| Frequency — low | 38 Hz | 42 Hz |
| Frequency — high | 38000 Hz | 24000 Hz |
| Sensitivity | 88 dB | 90 dB |
| Impedance | 4 Ω | 4 Ω |
| Recommended amp | 50–300 W | 25–150 W |
| MAP (USD) | $1,499 each | $1,410 / pair |
| Where to buy | Check availability ↗ | Check availability ↗ |
| Brand website | polkaudio.com ↗ | mission.co.uk ↗ |
| Product page | Open product page ↗ | Open product page ↗ |
Larger value highlighted in green. For low-frequency extension, lower Hz = greater bass reach, so the deeper side is highlighted.

