In this review, we will be comparing two different type of speakers by KEF. KEF Q350 is a Bookshelf speaker whereas the Q750 is a Floor-standing speaker.
Let's have a brief look at the main features of KEF Q350 and KEF Q750 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 Q750 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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Both Q350 and Q750 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, Q750 features a 1" vented aluminum Dome Tweeter and 2 x 6.5" Aluminum Woofer with a Crossover frequency at 2500Hz.
Q350 has a frequency range of 63-28k Hz whereas Q750 has a frequency range of 48-28k Hz. With a minimum frequency of 48Hz, the Q750 can go significantly deeper on the low side and provide stronger bass compared to 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.
Impedance and Sensitivity
Q350 and Q750 has the same Impedance of 8 ohms but where they differ is the sensitivity levels. Q350 sensitivity is rated at 87 dB and Q750's is at 88 dB. This 1 dB difference makes KEF Q750 a more sensitive speaker compared to KEF Q350, hence will play louder with the same amount of watts.
Q350 has a power range of 10-120 watts RMS whereas Q750 has a power range of 15-150 watts.
Input Type and Bi-Amping / Bi-Wiring
Q350 features Binding post type posts and Q750 has a Binding post type posts. None of these speakers feature bi-amping/bi-wiring.
Cabinet Type and Port Position
Q350 has a rear firing port whereas Q750 has a front firing ports. KEF Q750's front-firing port gives more flexibility in placement in regards to proximity to walls compared to KEF Q350 with its rear-firing port.
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 Q750'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 Q750 has external dimensions of 945.0 x 328.0 x 315.0mm ( 37-3/16 x 12-7/8 x 12-3/8inch) .
KEF Q750 is clearly the larger of the two speakers. Its body is 118mm wider, 587mm taller and 9mm deeper than KEF Q350.