In this review, we will be comparing specifications of EVO4.2 and RTi A3, two Bookshelf cameras from Wharfedale and Polk Audio.
Let's have a brief look at the main features of Wharfedale EVO4.2 and Polk RTi A3 before getting into our more detailed comparison.
Let's read on the following sections in order to better understand in detail how Wharfedale EVO4.2 and Polk RTi A3 compares and hopefully end up with enough arguments to decide which one is better for you.
Drivers
One of the fundamental differences between these two speakers is that EVO4.2 is a 3-way design whereas RTi A3 is a 2-way speaker. EVO4.2 features a 1.1875 x 2.375" AMT (Ribbon) Tweeter , a 2" Midrange and 1 6.5" Kevlar Woofer . On the other hand, RTi A3 features a 1" silk polymer composite Dome Tweeter and 1 6.5" Polymer composite Woofer with a Crossover frequency at 2800 Hz.
Frequency Response
EVO4.2 has a frequency range of 48-22k Hz whereas RTi A3 has a frequency range of 50-26k Hz.
Low Frequency
Bookshelf Speakers
High Frequency
Bookshelf Speakers
Impedance and Sensitivity
EVO4.2 and RTi A3 has the same Impedance of 8 ohms but where they differ is the sensitivity levels. EVO4.2 sensitivity is rated at 88 dB and RTi A3's is at 89 dBd B.
Sensitivity
Bookshelf Speakers
Power Range
EVO4.2 has a power range of 25-120 watts RMS whereas RTi A3 has a power range of 20-150 watts.
Input Type and Bi-Amping / Bi-Wiring
Both EVO4.2 and RTi A3 features dual binding post speaker terminals for bi-amping or bi-wiring.
Cabinet Type and Port Position
Physical Specs