In this review, we will be comparing specifications of Q150 and RTi A3, two Bookshelf cameras from KEF and Polk Audio.
Let's have a brief look at the main features of KEF Q150 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 KEF Q150 and Polk RTi A3 compares and hopefully end up with enough arguments to decide which one is better for you.
Drivers
Both Q150 and RTi A3 are 2-way speakers. Q150 features a 1" Dome Tweeter and 1 5.25" Aluminum Woofer with a Crossover frequency at 2500 Hz. 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
Q150 has a frequency range of 51-28k Hz whereas RTi A3 has a frequency range of 50-26k Hz.
Low Frequency
Bookshelf Speakers
High Frequency
Bookshelf Speakers
Impedance and Sensitivity
Q150 and RTi A3 has the same Impedance of 8 ohms but where they differ is the sensitivity levels. Q150 sensitivity is rated at 86 dB and RTi A3's is at 89 dBd B.
Sensitivity
Bookshelf Speakers
Power Range
Q150 has a power range of 10-100 watts RMS whereas RTi A3 has a power range of 20-150 watts.
Input Type and Bi-Amping / Bi-Wiring
RTi A3 features Pair of Dual 5-way Binding Posts - Gold-Plated posts which makes bi-amping or bi-wiring possible. Q150 has a Post which doesn't feature b-amping/bi-wiring.
Cabinet Type and Port Position
Physical Specs
In this section, We are going to compare KEF Q150's and Polk RTi A3's external dimensions.
Below you can see the front view size comparison of KEF Q150 and Polk RTi A3.