In this review, we will be comparing Q Concerto Meta and R3, two Passive Bookshelf speakers by KEF Let's have a brief look at the main features
of KEF Q Concerto Meta and KEF R3 first before getting into our more
detailed comparison.
What size room are the KEF Q Concerto Meta and KEF R3 speakers good for?
The size of the room in which you are planning to use these loudspeakers is an important decision factor. Here we have compared their suitability to various sizes of environments considering their size and max power parameters:
In the following sections, we will get into more detail in order to better understand how the KEF Q Concerto Meta and KEF R3 compare 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 Q Concerto Meta and R3 are 3-way speakers.
| Driver |
KEF Q Concerto Meta |
KEF R3 |
|
Driver Setup
|
3-way
|
3-way
|
|
Tweeter
|
0.75-inch
|
1-inch
|
|
Midrange
|
1 x 4-inch |
1 x 5-inch |
|
Woofer
|
1 x 6.5-inch
|
1 x 6.5-inch
|
Q Concerto Meta features a 0.75" vented aluminum dome with MAT absorber Hard dome Tweeter , a 4" Midrange and 1 x 6.5" Aluminum Woofer with a Crossover frequency at 430 Hz, 2.9 kHz. On the other hand, the R3 features a 1" aluminum Dome Tweeter , a 5" Midrange and 1 x 6.5" Hybrid aluminum Woofer with a Crossover frequency at 400Hz and 2900Hz.
Frequency Response
Q Concerto Meta has a frequency range of 48-20k Hz whereas R3 has a frequency range of 52-28k Hz. With a minimum frequency of 48Hz, the Q Concerto Meta can go slightly deeper then the R3's min frequency of 52Hz.
Below graphs depict how these two speakers compare with the max, min and average values of the Min and Max Frequencies of other speakers in the Bookshelf class in our database.
Low Frequency
Bookshelf Speakers
High Frequency
Bookshelf Speakers
None of these speakers achieves full range experience which is commonly agreed as 20Hz-20kHz. In order to achieve lower lows / deeper bass, we recommend you pair these with a subwoofer. Visit our Powered Subwoofers section to find out more about the available options.
Impedance and Sensitivity
Q Concerto Meta is a 4 ohms speaker compared to the R3 which has a nominal impedance of 8 ohms. Lower impedance speakers, especially the ones that are rated at 4 ohms may put more pressure on the amplifier unit especially when played at high volume levels, so make sure the amp you pair with the Q Concerto Meta can provide this impedance level.
These two speakers also have different sensitivity levels. Q Concerto Meta sensitivity is rated at 85 dB and the R3's is rated at 87 dB. This 2 dB difference makes the KEF R3 a more sensitive speaker compared to KEF Q Concerto Meta, hence will play louder with the same amount of watts.
Sensitivity
Bookshelf Speakers
Power Range
Power
range is the range of input power in watts RMS that a loudspeaker is designed to handle. While using an amplifier within this range ensures the nominal performance , inputting a power that is higher than the max wattage can result in a damaged speaker.
Keep in mind that a higher max power handling value doesn't necessarily make that a louder speaker
compared to a lower max handling speaker. Loudness or the sound level is also impacted by parameters
such as Impedance, sensitivity and system efficiencies.
Input Type and Bi-Amping / Bi-Wiring
R3 features Binding post posts which make bi-amping or bi-wiring possible. Q Concerto Meta has a Binding Post which doesn't feature bi-amping/bi-wiring.
Cabinet Type and Port Position
Both Q Concerto Meta and R3 have rear firing ports. Rear ported speakers generally need more room between the backside of the speaker and the wall compared to sealed and front/bottom ported speakers. Placing the speakers too close to the walls may cause the bass to sound boomy.
If you are limited in space and can't get the speakers away from the backwall, check our Speakers with Front Firing Ports page.
KEF R3 Port
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 Q Concerto Meta's and KEF R3's external dimensions. KEF Q Concerto Meta has external dimensions of 415 x 210 x 315 mm ( 16.3 x 8.3 x 12.4 in.) whereas KEF R3 has external dimensions of 423.0 x 199.0 x 337.0mm ( 16-5/8 x 7-13/16 x 13-1/4inch) .
KEF Q Concerto Meta is 8mm shorter and 22mm less deeper than KEF R3 but it is also 11mm wider.
Base Surface Area Comparison
Base surface area of a loudspeaker may become a determining factor when the space in your room or desk is limited.
The base surface area of the KEF Q Concerto Meta is approximately 661.5cm2 / 102.5inch2 and base area of the KEF R3 is approximately 670.6cm2 / 103.9inch2. The Q Concerto Meta requires 1% less surface area than the R3 which gives it a small advantage on placement in tight spaces.
Weight Comparison The weight of a loudspeaker can become an important factor if you need to move and reposition the unit often. Weight of a speaker can also "sometimes" be an indicator of the rigidity of the enclosure and the quality of the internal components used. The KEF Q Concerto Meta weighs 9.50kg / 20.9lbs and the KEF R3 weighs 13.55kg / 29.8lbs. This makes the R3 43% heavier than the Q Concerto Meta.
Here is a comparison of how Q Concerto Meta and R3's weights compare with the average, max and min weights in Passive Bookshelf class.
Weight
All Bookshelf Speakers
What's in the Box of KEF Q Concerto Meta?
Here are the items that are included inside the box of Q Concerto Meta:
Q3 Concerto Meta (pair) Magnetic grilles (pair) Rubber feet Port bungs User manual and warranty information
What's in the Box of KEF R3?
Here are the items that come with the R3:
2 Bookshelf loudspeakers2 Grilles2 Foam port plugs8 Self-adhesive rubber feetUser ManualWarranty Information
 Low Frequency Response |
48 Hz
vs
52 Hz
|
Generates deeper bass |
 Height |
415mm
vs
423mm
|
Easier to fit in smaller spaces |
 Base Surface Area |
661cm2 (210x315mm)
vs
670cm2 (199x337mm)
|
Takes less floor space |
 Price per pair* |
1300USD
vs
2200USD
|
costs less (*prices may change depending on the seller, location and time) |
 Sensitivity |
87 dB
vs
85 dB
|
Play louder with same amount of amplification power |
 Nominal Impedance |
8 ohms
vs
4 ohms
|
Less selective with amplifiers |
 High Frequency Response |
28k Hz
vs
20k Hz
|
Generates higher frequency |
| General |
KEF Q Concerto Meta |
KEF R3 |
| Brand |
KEF |
KEF |
| Speaker Type |
Bookshelf speakers |
Bookshelf speakers |
| Power Range |
Up to 180 watts |
15-180 watts |
| Sensitivity |
85 dB |
87 dB |
| Impedance |
4 ohms |
8 ohms |
| Impedance |
3.2 ohms |
3.2 ohms |
| Frequency Response |
48-20k Hz |
52-28k Hz |
Drivers |
|
|
| Woofer Quantity |
1 |
1 |
| Woofer Size |
6.5" |
6.5" |
| Woofer Composition |
Aluminum |
Hybrid aluminum |
| Woofer Surround Material |
Rubber |
Rubber |
| Tweeter Size |
0.75" |
1" |
| Tweeter Type |
Hard dome |
Dome |
| Aimable Tweeter |
No |
No |
| Midrange Driver |
4" |
5" |
| Crossover Frequency |
430 Hz, 2.9 kHz |
400Hz and 2900Hz |
| Firing Direction |
rear |
rear |
Physical Specs |
|
|
| Height |
415.0mm (16.3") |
423.0mm (16.7") |
| Width |
210.0mm (8.3") |
199.0mm (7.8") |
| Depth |
315.0mm (12.4") |
337.0mm (13.3") |
| Weight |
9.50kg (20.9lbs) |
13.55kg (29.8lbs) |
| Enclosure |
Bass Reflex |
Bass Reflex |
| Finish |
n/a |
MDF/Lacquer |
| Available Colors |
Satin Black,Satin White,Walnut |
Black Gloss, White Gloss, Walnut |
| Mounting Bracket |
|
No |
| Grille |
Yes |
Yes |
| Moisture Resistancy |
No |
No |
Connections |
|
|
| Biamp Inputs |
n/a |
Yes |
Other |
|
|
| Parts Warranty |
5 Years |
5 Years |
| Labor Warranty |
5 Years |
5 Years |