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

