S15 is a 2-way Passive Bass Reflex Bookshelf speaker by Polk Audio. It features a 1" Dome Tweeter and 1 x 5.25" Mica-reinforced polypropylene Woofer.
Polk S15 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 S15 has a Frequency response range of 50-40k Hz at ±3dB and Power Range of 20-100 watts. At a minimum frequency of 50 Hz, S15 will provide an average bass depth so depending on your use case, you may consider supplementing your system with a subwoofer.
Crossover frequency for S15 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 S15's nominal impedance level is 8 ohms and has a sensitivity of 88 dB.
S15 features Pair of Binding Posts - Gold Plated type connectors. Bi-amping and Bi-wiring is not possible.
Cabinet type and Materials
Polk S15 has a Bass Reflex type cabinet and Meddite MDF finish. Polk S15 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 S15 is available in Black, Walnut, Brown Walnut.
Weight and Dimensions
Polk S15 has external dimensions of (Height x Width x Depth) 12.0inch x 7.4inch x 10.2inch (304.8mm x 190.0mm x 260.4mm ). Each speaker weighs 13lbs (5.90kg ).
S15 has Keyhole mounting bracket that makes it possible to mount on walls and similar surfaces easily.
Download User Manual for Polk S15
Official Brochure for Polk S15
Official Product Page
Official Product Page for Polk S15
5 Years of parts warranty and 5 Years of labor warranty is generally provided by the manufacturer.