TrueScaleAudio
Compare speakers at true scale
Pick two speakers and see them side by side at their real-world size.
Front view — overlaid at true scale
Click either cabinet to swap A ↔ B · Reference height: 1144 mm (114.4 cm) · 1 mm = 0.49 px
Polk Reserve R700vsMission ZX-3
The Polk Reserve R700 stands 114.4 cm tall — about 4.3 cm more than the Mission ZX-3 at 110.1 cm. On footprint the Polk Reserve R700 is the wider cabinet (32.8 cm versus 24.0 cm). At 90 dB against 88 dB, the Mission ZX-3 is the easier load to drive and plays louder from the same amplifier. The Polk Reserve R700 reaches deeper in the bass, down to 38 Hz versus 42 Hz. Low frequencies come from a 203 mm cone on the Polk Reserve R700 and a 130 mm cone on the Mission ZX-3. Both land in a similar price bracket, around $1,455 a pair.
| 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.