TrueSpecs
Compare technical specifications (up to 4 speakers).
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References
Front view — overlaid at true scale
AMonitor Audio Radius 3BPolk Reserve R100
Click either cabinet to swap A ↔ B · Reference height: 324 mm (32.4 cm) · 1 mm = 1.73 px
| A | B | |
|---|---|---|
| Manufacturer | Monitor Audio | Polk |
| Model | Monitor Audio Radius 3 4G | Polk Reserve R100 |
| Height | 255 mm | 324 mm |
| Width | 150 mm | 167 mm |
| Depth | 201 mm | 260 mm |
| Weight | 3.7 kg | 5.5 kg |
| Enclosure | bass-reflex-rear | bass-reflex-rear |
| Drivers | 1× 25 mm tweeter (C-CAM Gold Dome), 1× 114 mm mid-bass (C-CAM RST III) | 1× 25 mm tweeter (Pinnacle ring radiator), 1× 133 mm mid-bass (Turbine cone) |
| Frequency — low | 44 Hz | 58 Hz |
| Frequency — high | 35000 Hz | 39000 Hz |
| Sensitivity | 84 dB | 86 dB |
| Impedance | 8 Ω | 4 Ω |
| Recommended amp | 40–75 W | 30–150 W |
| MAP (USD) | $725 / pair | $699 / pair |
| Where to buy | Check availability ↗ | Check availability ↗ |
| Brand website | monitoraudio.com ↗ | 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.