In this review, we will be comparing LSX II LT and Debut ConneX DCB41, two Powered Bookshelf speakers from KEF and ELAC. Being Powered speakers, they both have built-in amplifiers so you don't need an external power amp or an integrated amp to power them.
Let's have a brief look at the main features
of KEF LSX II LT and ELAC Debut DCB41 first before getting into our more
detailed comparison.
KEF LSX II LT 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 5.0 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 )
ELAC Debut DCB41 Key Specs
- 2-way Design
- 100-watt RMS Integrated Amplifier
- 0.75" Soft-Dome Tweeter
- 4.5" Polypropylene Woofer
- 66-25k Hz Frequency Response
- 24-bit Max Depth / 96 kHZ Max Sample Rate
- Built-in Bluetooth
- Weight:2.90kg
- Dimensions (H x W x D): 249.0" x 5.5625" x 9.4375"( 249 x 141 x 240mm )
In the following sections, we will get into more detail in order to better understand how the KEF LSX II LT and ELAC Debut DCB41 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 LSX II LT and Debut ConneX DCB41 are 2-way speakers.
| Driver |
KEF LSX II LT |
ELAC Debut DCB41 |
|
Driver Setup
|
2-way
|
2-way
|
|
Tweeter
|
0.75-inch
|
0.75-inch
|
|
Midrange
|
- |
- |
|
Woofer
|
1 x 4.5-inch
|
1 x 4.5-inch
|
LSX II LT features a 0.75" Aluminum Hard-Dome Tweeter and 1 x 4.5" Magnesium/Aluminium alloy Woofer . On the other hand, the Debut ConneX DCB41 features a 0.75" Fabric Soft-Dome Tweeter and 1 x 4.5" Polypropylene Woofer .
Frequency Response
LSX II LT has a frequency range of 54-28k Hz whereas Debut ConneX DCB41 has a frequency range of 66-25k Hz. With a minimum frequency of 54Hz, the LSX II LT can go significantly deeper on the low side and provide stronger bass compared to the Debut ConneX DCB41's min frequency of 66Hz.
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.
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 LSX II LT's and ELAC Debut DCB41's external dimensions. KEF LSX II LT has external dimensions of 240 × 155 × 180 mm ( 9.5 × 6.1 × 7.1 inch) whereas ELAC Debut DCB41 has external dimensions of 249 x 141 x 240mm ( 9.8125inch x 5.5625inch x 9.4375inch ) .
KEF LSX II LT is 9mm shorter and 60mm less deeper than ELAC Debut DCB41 but it is also 14mm 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 LSX II LT is approximately 279.0cm2 / 43.2inch2 and base area of the ELAC Debut DCB41 is approximately 338.4cm2 / 52.5inch2. The LSX II LT requires 18% less surface area than the Debut ConneX DCB41 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 LSX II LT weighs 3.60kg / 7.9lbs and the ELAC Debut DCB41 weighs 2.90kg / 6.4lbs. This makes the LSX II LT 24% heavier than the Debut ConneX DCB41.
Here is a comparison of how LSX II LT and Debut ConneX DCB41's weights compare with the average, max and min weights in Powered Bookshelf class.
Weight
All Bookshelf Speakers
What's in the Box of KEF LSX II LT?
Here are the items that are included inside the box of LSX II LT:
2 Wireless powered speakers6.5-feet AC power cords3m - 10ft Interspeaker cableRemote control2 AAA batteries Quick Start Guide Important Safety Information Warranty Information Maintenance Guide
What's in the Box of ELAC Debut DCB41?
Here are the items that come with the Debut ConneX DCB41:
Powered speakerPassive speaker2 Grilles6.5-feet AC power cordRemote control2
 Low Frequency Response |
54 Hz
vs
66 Hz
|
Generates deeper bass |
 High Frequency Response |
28k Hz
vs
25k Hz
|
Generates higher frequency |
 App-Based Control |
Apple iOS, Android
vs
None
|
Control the speaker via an app |
 Height |
240mm
vs
249mm
|
Easier to fit in smaller spaces |
 Base Surface Area |
279cm2
vs
338cm2
|
Takes less floor space |
 Ethernet Connection |
Yes
vs
No
|
High quality streaming over Ethernet |
 USB Port |
USB-C (connects to your computer)
vs
No
|
USB port adds flexibility |
 Price per pair* |
599USD
vs
999USD
|
costs less (*prices may change depending on the seller, location and time) |
| General |
KEF LSX II LT |
ELAC Debut ConneX DCB41 |
| Brand |
KEF |
ELAC |
| Speaker Type |
Powered Stereo Speakers |
Powered Stereo Speakers |
| Frequency Response |
54-28k Hz |
66-25k Hz |
Amplifier |
|
|
| Watts RMS (Continuous) |
200-watt RMS |
100-watt RMS |
| Max Bit Depth |
24-bit |
24-bit |
| Max Sample Rate |
384 kHz |
96 kHZ |
Drivers |
|
|
| Woofer Quantity |
1 |
1 |
| Woofer Size |
4.5" |
4.5" |
| Woofer Composition |
Magnesium/Aluminium alloy |
Polypropylene |
| Woofer Surround Material |
Rubber |
n/a |
| Tweeter Size |
0.75" |
0.75" |
| Tweeter Type |
Hard-Dome |
Soft-Dome |
| Aimable Tweeter |
No |
No |
| Midrange Driver |
No |
No |
| Firing Direction |
rear |
n/a |
Physical Specs |
|
|
| Height |
240.0mm (9.4") |
249.0mm (9.8") |
| Width |
155.0mm (6.1") |
141.0mm (5.6") |
| Depth |
180.0mm (7.1") |
240.0mm (9.4") |
| Weight |
3.60kg (7.9lbs) |
2.90kg (6.4lbs) |
| Enclosure |
Bass Reflex |
Bass Reflex |
| Available Colors |
Sage Green, Graphite Grey, Stone White |
Black,Walnut,Royal Blue |
| Mounting Bracket |
No |
No |
| Grille |
n/a |
Yes |
| Moisture Resistancy |
No |
No |
Connections |
|
|
| Aux Inputs |
n/a |
No |
| USB Port |
USB-C (connects to your computer) |
USB-B |
| Phone Input |
No |
No |
| Subwoofer Output |
Wired |
mono-RCA |
| Digital Input |
Optical |
Optical, HDMI |
| HDMI Input |
ARC |
ARC |
| Headphone Jack |
No |
No |
| Ethernet Port |
Yes |
No |
Other |
|
|
| Parts Warranty |
1 Year |
1 Year |
| Labor Warranty |
1 Year |
1 Year |