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Compare technical specifications (up to 4 speakers).

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Speaker A
Speaker B
References

Front view — side by side at true scale

APolk Reserve R100BMonitor Audio Radius 3
Polk Reserve R100 front view
Monitor Audio Radius 3 front view

Click either cabinet to swap A ↔ B · Reference height: 12.8 in · 1 in = 43.90 px

Specifications

AB
ManufacturerPolkMonitor Audio
ModelPolk Reserve R100Monitor Audio Radius 3 4G
Height12.8 in10 in
Width6.6 in5.9 in
Depth10.2 in7.9 in
Weight12.1 lb8.2 lb
Enclosurebass-reflex-rearbass-reflex-rear
Drivers1× 1 in tweeter (Pinnacle ring radiator), 1× 5.2 in mid-bass (Turbine cone)1× 1 in tweeter (C-CAM Gold Dome), 1× 4.5 in mid-bass (C-CAM RST III)
Frequency — low58 Hz44 Hz
Frequency — high39000 Hz35000 Hz
Sensitivity86 dB84 dB
Impedance4 Ω8 Ω
Recommended amp30–150 W40–75 W
MAP (USD)$699 / pair$725 / pair
Where to buyCheck availabilityCheck availability
Brand websitepolkaudio.commonitoraudio.com
Product pageOpen product pageOpen product page

Larger value highlighted in green. For low-frequency extension, lower Hz = greater bass reach, so the deeper side is highlighted.