In this review, we will be comparing specifications of S20 and EVO4.2, two Bookshelf cameras from Polk Audio and Wharfedale.
Let's have a brief look at the main features of Polk S20 and Wharfedale EVO4.2 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 Wharfedale EVO4.2 compares and hopefully end up with enough arguments to decide which one is better for you.
One of the fundamental differences between these two speakers is that S20 is a 2-way design whereas EVO4.2 is a 3-way speaker. S20 features a 1" Terylene high-res dome Tweeter and 1 6.5" Mica-reinforced polypropylene Woofer . On the other hand, EVO4.2 features a 1.1875 x 2.375" AMT (Ribbon) Tweeter , a 2" Midrange and 1 6.5" Kevlar Woofer .
S20 has a frequency range of 39-40k Hz whereas EVO4.2 has a frequency range of 48-22k Hz.
Impedance and Sensitivity
S20 and EVO4.2 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 EVO4.2 has a power range of 25-120 watts.
Input Type and Bi-Amping / Bi-Wiring
EVO4.2 features Post posts which makes bi-amping or bi-wiring possible. S20 has a 5-way post which doesn't feature b-amping/bi-wiring.
Cabinet Type and Port Position