KEF Q750 is a 2-way Passive Passive Radiator Floor-standing speaker by KEF. It features a 1" Dome Tweeter and 2 x 6.5" Aluminum Woofer. Q750 also employs 2 x 6.25-inch passive radiators. The speaker has a frequency range of 48-28k Hz and a sensitivity of 88 dB. KEF Q750 has an MSRP of 1800$ per pair.
Q750 also gives the user optional Dolby Atmos capability by equipping the unit with upward-firing Dolby Atmos drivers.
What size of room is the KEF Q750 speaker good for?
The size of the room that you are planning to use the KEF Q750 is an important decision factor. Here we have evaluated its suitability to various size of environments considering its size and max power parameters:
| Listening Environment |
Suitability |
| Near-field | Bad |
| Small Room | Poor |
| Mid-size Room | Good |
| Large Room | Good |
| Very Large Room | Poor |
What are the speakers in KEF's Q Series?
Q750 is a member of KEF's Q series of Passive speakers. Below you can see the main specs of these speakers.
KEF Q Series Speakers
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What is the Frequency Response of the KEF Q750 speaker?
KEF Q750 has a Frequency response range of 48-28k Hz at ±3dB (42Hz-50kHz at -6dB) and Power Range of 15-150 watts. At a minimum frequency of 48 Hz, Q750 will provide an average bass depth so depending on your use case, you may consider supplementing your system with a subwoofer.
To focus on the subwoofers that are in a similar price range with KEF Q750, check the Powered Subwoofers under $2000. Alternatively, find the Full list of Powered Subwoofers regardless from the price.
Here we have a comparison of how Q750's Low and High frequency values compared with the average, max and min Low and High frequency values in its class.
Low Frequency
Floor-standing Speakers
High Frequency
Floor-standing Speakers
KEF Q750's Aluminum Woofer
Among the speakers in our database with a max MSRP price of 2000$ (Pair), these are the 5 Passive Floor-standing speakers that have the deeper bass levels than the KEF Q750's 48Hz:
KEF Q750's vented aluminum Dome Tweeter
What is the Crossover frequency of KEF Q750?
Crossover frequency of the Q750 is set to 2500Hz. This is the threshold frequency where the higher frequency signals over this level are sent to the tweeter and the lower frequency signals are sent to the woofer by the crossover component.
What is the Impedance and Sensitivity of the KEF Q750? Is it an easy to drive speaker?
KEF Q750's nominal impedance level is
8 ohms but can go down to as low as
3.8 ohms, and has a sensitivity of
88 dB.
Sensitivity
Floor-standing Speakers
8 Ohms is pretty much the standard nominal impedance amongst stereo speakers and amplifiers so KEF Q750 is not considered a difficult to drive speaker from nominal Impedance perspective.
Sensitivity
88dB of KEF Q750 is an average sensitivity for stereo speaker so it is neither easy nor difficult to drive Sensitivity wise.
Minimum Impedance of KEF Q750
Even though the nominal impedance of the Q750 is 8 ohms, the minimum impedance level of this speaker according to KEF is 3.8 ohms KEF Q750 so while choosing an amplifier, you should ideally check if the unit you are considering can provide this impedance level.
Check our Integrated Amplifiers page to find an amplifier to pair with the KEF Q750.
Input Type
Q750 features Binding post type connectors. Bi-amping and Bi-wiring is not possible.
KEF Q750 Back View
KEF Q750's Binding post terminals
KEF Q750 External Dimensions and Weight
KEF Q750 has external dimensions of (Height x Width x Depth) 37-3/16 x 12-7/8 x 12-3/8inch (945.0 x 328.0 x 315.0mm ).
Base Surface Area
Base surface area of a loudspeaker may become a determining factor when the space in your room or desk is limited.
The base area of KEF Q750 is approximately 1033.2cm2 / 160.1inch2.
WeightThe KEF Q750 weighs 16.59kg / 36.5lbs (per piece). Here is a comparison of how Q750's weight compared with the average, max and min weights in its class.
Weight
All Floor-standing Speakers
Weight
Floor-standing Speakers under $2000
How does the KEF Q750 compare to the KEF Q950?
One of the natural alternative to the KEF Q750 is the Q950 which is located one step higher in KEF's Passive Floor-standing selection.
Check the Detailed Comparison of KEF Q750 vs Q950 for more details.
Cabinet type and Materials
KEF Q750 has a
Passive Radiator type cabinet and MDF/Wood-grain vinyl finish.
Speaker Feet
KEF Q750 comes with the parts below which you can use to secure your loudspeaker on the surface that you are putting on:
2 Outrigger feet4 Spikes It is always recommended to use some kind of feet under all types of speakers. Besides limiting the movement of the speakers, it also compensates for non-flat surfaces and limits the contact surface area of the speaker. Rubber based feet also help isolating the vibrations within certain frequency ranges.
Port Position
KEF Q750 is a front-firing port speaker which gives you more flexibility compared to rear firing speakers when you need to place it close against a wall or other surfaces.
Available colors
KEF Q750 is available in Walnut.
KEF Q750 with Grille
What's in the Box of KEF Q750?
Here are the items that are included inside the box of Q750:
Floorstanding loudspeaker2 Outrigger feet4 Spikes6 Screws6 Washers4 Rubber insertsHex-keyOwners ManualWarranty Information
User's Manual
For more information about how to setup, use and maintain the KEF Q750, use the direct link below to download the official manual document:
Download User Manual for KEF Q750
Official Brochure
Here is a link to download the official brochure for the KEF Q750 speaker:
Official Brochure for KEF Q750
Official Product Page
Official manufacturer's product page for the KEF Q750 speaker can be found below:
Official Product Page for KEF Q750
Warranty
5 Years of parts warranty and 5 Years of labor warranty is generally provided by the manufacturer.