In this review, we will be comparing specifications of S20 and S15, two Bookshelf cameras by Polk Audio.
Let's have a brief look at the main features of Polk S20 and Polk S15 before getting into our more detailed comparison.
Let's read on the following sections in order to better understand in detail how Polk S20 and Polk S15 compares and hopefully end up with enough arguments to decide which one is better for you.
Both S20 and S15 are 2-way speakers. S20 features a 1" Terylene high-res dome Tweeter and 1 6.5" Mica-reinforced polypropylene Woofer . On the other hand, S15 features a 1" Terylene Dome Tweeter and 1 5.25" Mica-reinforced polypropylene Woofer with a Crossover frequency at 2500 Hz.
S20 has a frequency range of 39-40k Hz whereas S15 has a frequency range of 50-40k Hz.
Impedance and Sensitivity
S20 and S15 has the same Impedance of 8 ohms and their sensitivity is also same at 88 dB dB.
S20 has a power range of 20-125 watts RMS whereas S15 has a power range of 20-100 watts.
Input Type and Bi-Amping / Bi-Wiring
S20 features Pair of Binding Posts - Gold Plated type posts and S15 has a Pair of Binding Posts - Gold Plated type posts. None of these speakers feature b-amping/bi-wiring.
Cabinet Type and Port Position
Both S20 and S15 features dual binding post speaker terminals for bi-amping or bi-wiring.