TrueScale

Compare speakers at true scale.

TrueSpecs

Compare technical specifications (up to 4 speakers).

HiFi Ladder

Browse every speaker ordered by size, side by side.

Speaker A
Speaker B
OverlaySide by side
Presentation mode
References

Front view — overlaid at true scale

APolk Reserve R100BSVS Ultra Evolution Bookshelf
Polk Reserve R100 front view
SVS Ultra Evolution Bookshelf front view

Click either cabinet to swap A ↔ B · Reference height: 325 mm (32.5 cm) · 1 mm = 1.72 px

Specifications

mm / kgin / lb
AB
ManufacturerPolkSVS
ModelPolk Reserve R100SVS Ultra Evolution Bookshelf
Height324 mm325 mm
Width167 mm182 mm
Depth260 mm285 mm
Weight5.5 kg8.5 kg
Enclosurebass-reflex-rearbass-reflex-rear
Drivers1× 25 mm tweeter (Pinnacle ring radiator), 1× 133 mm mid-bass (Turbine cone)1× 25 mm tweeter (diamond-coated aluminium-dome), 1× 165 mm mid-bass (glass-fibre composite cone)
Frequency — low58 Hz50 Hz
Frequency — high39000 Hz40000 Hz
Sensitivity86 dB87 dB
Impedance4 Ω4 Ω
Recommended amp30–150 W20–150 W
MAP (USD)$699 / pair$599.99 each
Brand websitepolkaudio.com ↗svsound.com ↗
Product pageOpen 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.