In this review, we will be comparing two different type of speakers by KEF. KEF LS50C Meta is a Center Channel speaker whereas the LSX II is a Bookshelf speaker.
Let's have a brief look at the main features
of KEF LS50C Meta and KEF LSX II first before getting into our more
detailed comparison.
KEF LS50C Meta Key Specs
- 2-way Design
- 12th Generation Uni-Q Driver
- 1" Vented dome Tweeter
- 5.25" aluminum Woofer
- 79-28k Hz Frequency Response
- 85 dB Sensitivity
- Impedance: 8ohms
- Power Range:40-100watts
- Weight:7.82kg
- Dimensions (H x W x D): 301.0" x 7-7/8" x 11-1/16"( 301.0 x 201.0 x 281.0mm )
KEF LSX II Key Specs
- 2-way Design
- 200-watt RMS Integrated Amplifier
- 11th Generation Uni-Q Driver
- 0.75" Hard-Dome Tweeter
- 4.5" Magnesium/Aluminium alloy Woofer
- 54-28k Hz Frequency Response
- 24-bit Max Depth / 384 kHz Max Sample Rate
- Built-in 4.2 Bluetooth
- App Control Feature
- Weight:3.60kg
- Dimensions (H x W x D): 240.0" x 6.1" x 7.1"( 240 × 155 × 180 mm )
LS50C Meta and LSX II are members of KEF's LS series of speakers. Below you can find the loudspeakers from this series.
In the following sections, we will get into more detail in order to better understand how the KEF LS50C Meta and KEF LSX II 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 LS50C Meta and LSX II are 2-way speakers.
| Driver |
KEF LS50C Meta |
KEF LSX II |
|
Driver Setup
|
2-way
|
2-way
|
|
Tweeter
|
1-inch
|
0.75-inch
|
|
Midrange
|
- |
- |
|
Woofer
|
1 x 5.25-inch
|
1 x 4.5-inch
|
LS50C Meta features a 1" Aluminum Vented dome Tweeter and 1 x 5.25" aluminum Woofer with a Crossover frequency at 2100Hz. On the other hand, the LSX II features a 0.75" Aluminum Hard-Dome Tweeter and 1 x 4.5" Magnesium/Aluminium alloy Woofer .
Frequency Response
LS50C Meta has a frequency range of 79-28k Hz whereas LSX II has a frequency range of 54-28k Hz. With a minimum frequency of 54Hz, the LSX II can go significantly deeper on the low side and provide stronger bass compared to the LS50C Meta's min frequency of 79Hz.
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 Center Channel class in our database.
Low Frequency
Center Channel Speakers
High Frequency
Center Channel 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.
Cabinet Type and Port Position
Both LS50C Meta and LSX II 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 LS50C Meta off-set flexible Port
KEF LSX II 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 LS50C Meta's and KEF LSX II's external dimensions. KEF LS50C Meta has external dimensions of 301.0 x 201.0 x 281.0mm ( 11-13/16 x 7-7/8 x 11-1/16inch) whereas KEF LSX II has external dimensions of 240 × 155 × 180 mm ( 9.5 × 6.1 × 7.1 inch) .
KEF LS50C Meta is clearly the larger of the two speakers. Its body is 46mm wider, 61mm taller and 101mm deeper than KEF LSX II.
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 LS50C Meta is approximately 564.8cm2 / 87.5inch2 and base area of the KEF LSX II is approximately 279.0cm2 / 43.2inch2. The LS50C Meta requires 102% more surface area than the LSX II which gives it a small disadvantage on placement in tight spaces.
What's in the Box of KEF LS50C Meta?
Here are the items that are included inside the box of LS50C Meta:
Center-channel loudspeakerFoam port plug4 Self-adhesive rubber feetOwners ManualWarranty Registration Card
What's in the Box of KEF LSX II?
Here are the items that come with the LSX II:
2 Wireless powered speakersTwo 6.5-feet AC power cords10-feet Cat-6 interconnect speaker cableRemote control2 AAA batteries Quick Start Guide Important Safety Information Warranty Information Maintenance Guide
Uni-Q Driver 
Woofer Size 
Price per pair* 
Speaker Type 
Height 
Base Surface Area 
Ethernet Connection 
3.5mm Connection