In this review, we will be comparing two different type of speakers by KEF. KEF Q350 is a Bookshelf speaker whereas the Q650c is a Center Channel speaker.
Let's have a brief look at the main features of KEF Q350 and KEF Q650c first before getting into our more detailed comparison.
In the following sections, we will get into details in order to better understand how KEF Q350 and KEF Q650c compares and hopefully end up with enough arguments to decide which one of these loudspeakers is the better choice for you.
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Drivers
Both Q350 and Q650c are 2-way speakers. Q350 features a 1" vented aluminum Dome Tweeter and 1 x 6.5" Aluminum Woofer with a Crossover frequency at 2500Hz. On the other hand, Q650c features a 1" vented aluminum Dome Tweeter and 2 x 6.5" aluminum Woofer with a Crossover frequency at 2500Hz.
Frequency Response
Q350 has a frequency range of 63-28k Hz whereas Q650c has a frequency range of 64-28k Hz. With a minimum frequency of 64Hz, the Q650c can go slightly deeper then the Q350's min frequency of 63Hz.
Below graphs depict how these two speakers compare with the max, min and average values of the Min and Max Frequencies of other speakers under Bookshelf class in our database.
Low Frequency
Bookshelf Speakers
High Frequency
Bookshelf Speakers
Impedance and Sensitivity
Q350 and Q650c has the same Impedance of 8 ohms and their sensitivity is also same at 87 dB.
Sensitivity
Bookshelf Speakers
Power Range
Q350 has a power range of 10-120 watts RMS whereas Q650c has a power range of 15-150 watts.
Input Type and Bi-Amping / Bi-Wiring
Q350 features Binding post type posts and Q650c has a Binding post type posts. None of these speakers feature bi-amping/bi-wiring.
KEF Q350's Post terminals
KEF Q650c's Binding post terminals
Physical Specs
Size of a speaker can sometimes become an important decision factor due to space constraints or in some cases purely for esthetic reasons. In this section, We are going to compare KEF Q350's and KEF Q650c's external dimensions. KEF Q350 has external dimensions of 358.0 x 210.0 x 306.0mm ( 14.0 x 8.2 x 12.0inch) whereas KEF Q650c has external dimensions of 212.0 x 631.0 x 304.0mm ( 8-5/16 x 24-13/16 x 11-15/16inch) .
KEF Q650c is 146mm shorter and 2mm less deeper than KEF Q350 but it is also 421mm wider.
Below you can see the front view size comparison of KEF Q350 and KEF Q650c in scale.
Comparison image of KEF Q350 and KEF Q650c Size and External Dimensions
