Reasons to choose Polk Audio Signature S50 over Polk Audio Signature S20
Max Input Power 150 watts vs 125 watts
Sensitivity 89 dB vs 88 dB
Number of Woofers 2 vs 1
Low Frequency Response 33 Hz vs 39 Hz
Bi-Amping and Bi-Wiring Yes vs No
Base Surface Area 736cm2 vs 756cm2

Reasons to choose Polk Audio Signature S20 over Polk Audio Signature S50

Woofer Size 6.5 inches vs 5.25 inches
Height 376mm vs 951mm
Polk S50 vs Polk S20 Specs Table
General Polk Audio Signature S50 Polk Audio Signature S20
Brand Polk Audio Polk Audio
Speaker Type Floor-standing speaker Bookshelf speakers
Power Range 20-150 watts 20-125 watts
Sensitivity 89 dB 88 dB
Impedance 8 ohms 8 ohms
Frequency Response 33-40k Hz 39-40k Hz
Drivers
Woofer Quantity 2 1
Woofer Size 5.25" 6.5"
Woofer Composition Mica-reinforced polypropylene Mica-reinforced polypropylene
Woofer Surround Material Butyl rubber Butyl rubber
Tweeter Size 1" 1"
Tweeter Type Dome Soft-Dome
Aimable Tweeter No No
Midrange Driver No No
Crossover Frequency 2500Hz 2500Hz
Firing Direction bottom rear
Physical Specs
Height 951.0mm (37.4") 376.0mm (14.8")
Width 262.0mm (10.3") 216.0mm (8.5")
Depth 281.0mm (11.1") 350.0mm (13.8")
Weight 14.50kg (31.9lbs) 7.73kg (17lbs)
Enclosure Bass Reflex Bass Reflex
Finish Meddite MDF Meddite MDF
Available Colors Black Black, Walnut, Brown Walnut
Mounting Bracket No No
Recommended Stand Height n/a 24-28"
Grille Yes Yes
Moisture Resistancy No No
Connections
Biamp Inputs Yes No
Other
Parts Warranty 5 Years 5 Years
Labor Warranty 5 Years 5 Years