S20 is a 2-way Passive Bass Reflex Bookshelf speaker by Polk Audio. It features a 1" Soft-Dome Tweeter and 1 x 6.5" Mica-reinforced polypropylene Woofer.
Polk S20 is a member of Polk Audio's Signature S series of speakers. Below you can see the main specs of these speakers.
Polk Audio Signature S Series History
Polk S20 has a Frequency response range of 39-40k Hz at ±3dB and Power Range of 20-125 watts. At a minimum frequency of 39 Hz, S20 will provide a deep bass that will probably satisfy majority of listeners, especially for music. Movie lovers and music listeners who likes to experience a full range response will still benefit from use of a subwooofer though.
Crossover frequency for S20 is at 2500Hz.
The Bookshelf model with the lowest Low Frequency level in our database is Wharfedale Elysian 2, with bass extending down to impressive 35 Hz.
On the other hand, model with the highest Frequency is Sony SS-CS5 with its high frequency limit of 50 kHz.
Impedance and Sensitivity
Polk S20's nominal impedance level is 8 ohms and has a sensitivity of 88 dB.
S20 features 5-way post type connectors. Bi-amping and Bi-wiring is not possible.
Cabinet type and Materials
Polk S20 has a Bass Reflex type cabinet and Meddite MDF finish. Polk S20 is a back-firing port speaker so you have to make sure you leave enough space between the back of the speaker and wall or bookshelf so that it has room to breathe.
Polk S20 is available in Black.
Weight and Dimensions
Polk S20 has external dimensions of (Height x Width x Depth) 14.8inch x 8.5inch x 13.7inch (376.0mm x 216.0mm x 350.0mm ). Each speaker weighs 17lbs .
S20 doesn't sport any built-in mounting bracket so you need an external structure to mount on walls.
Download User Manual for Polk S20
Official Brochure for Polk S20
Official Product Page
Official Product Page for Polk S20
5 Years of parts warranty and 5 Years of labor warranty is generally provided by the manufacturer.