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KEF LS50 Wireless II vs KEF LS50 Wireless Comparison

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KEF LS50 Wireless II

Powered Bookshelf | 45-28k Hz

KEF LS50 Wireless II
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KEF LS50 Wireless

Powered Bookshelf | 79-28k Hz

KEF LS50 Wireless
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KEF LS50 Wireless II KEF LS50 Wireless II
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KEF LS50 Wireless KEF LS50 Wireless
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KEF LS50 Wireless II
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KEF LS50 Wireless
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KEF LS50 Wireless II vs KEF LS50 Wireless Speaker Comparison

In this review, we will be comparing LS50 Wireless II and LS50 Wireless, two Powered Bookshelf speakers by KEF 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 LS50 Wireless II and KEF LS50 Wireless first before getting into our more detailed comparison.

KEF LS50 Wireless II Key Specs

  • 2-way Design
  • 380-watt RMS( 760-watt Peak) Integrated Amplifier
  • 12th Generation Uni-Q Driver
  • 1" Hard-Dome Tweeter
  • 5.25" Aluminum Woofer
  • 45-28k Hz Frequency Response
  • 32-bit Max Depth / 384 kHz Max Sample Rate
  • Built-in 4.2 Bluetooth
  • App Control Feature
  • Weight:10.00kg
  • Dimensions (H x W x D): 277.8" x 7.875" x 12.6875"( 277.8 x 200.0 x 322.3mm )

KEF LS50 Wireless Key Specs

  • 2-way Design
  • 230-watt RMS Integrated Amplifier
  • 11th Generation Uni-Q Driver
  • 1" Hard-Dome Tweeter
  • 5.25" Magnesium/aluminum alloy Woofer
  • 79-28k Hz Frequency Response
  • 24-bit Max Depth / 192 kHz Max Sample Rate
  • Built-in 4.0 Bluetooth
  • App Control Feature
  • Weight:10.00kg
  • Dimensions (H x W x D): 301.6" x 7.875" x 13.25"( 301.6 x 200.0 x 336.5mm )

LS50 Wireless II and LS50 Wireless are members of KEF's LS series of speakers. Below you can find the loudspeakers from this series.

KEF LS Series History
Model Body Frequency Watts RMSMax Depth / Sample Rate Woofer
KEF LSX II
  
Bookshelf 54-28k Hz 200-watt24-bit/384 kHzΩ 1 x 4.5"
KEF LSX II LT
  
Bookshelf 54-28k Hz 200-watt24-bit/384 kHzΩ 1 x 4.5"
KEF LS60 Wireless
  
Floor-standing 31-24k Hz 1400-watt24-bit/384 kHzΩ 4 x 5.25"
KEF LS50 Wireless II
Bookshelf 45-28k Hz 380-watt32-bit/384 kHzΩ 1 x 5.25"
KEF LSX
  
Bookshelf 59-28k Hz 200-watt24-bit/96 kHzΩ 1 x 4.5"
KEF LS50 Wireless
Bookshelf 79-28k Hz 230-watt24-bit/192 kHzΩ 1 x 5.25"

In the following sections, we will get into more detail in order to better understand how the KEF LS50 Wireless II and KEF LS50 Wireless compare and hopefully end up with enough arguments to decide which one of these loudspeakers is the better choice for you.


**This post contains affiliate links, and I will be compensated if you make a purchase after clicking through my links. As an Amazon Associate I earn from qualifying purchases.


Drivers

Both LS50 Wireless II and LS50 Wireless are 2-way speakers.

Driver KEF LS50 Wireless II KEF LS50 Wireless
Driver Setup 2-way 2-way
Tweeter 1-inch 1-inch
Midrange - -
Woofer 1 x 5.25-inch 1 x 5.25-inch

LS50 Wireless II features a 1" Aluminum Hard-Dome Tweeter and 1 x 5.25" Aluminum Woofer . On the other hand, the LS50 Wireless features a 1" Aluminum Hard-Dome Tweeter and 1 x 5.25" Magnesium/aluminum alloy Woofer .

Frequency Response

LS50 Wireless II has a frequency range of 45-28k Hz whereas LS50 Wireless has a frequency range of 79-28k Hz. With a minimum frequency of 45Hz, the LS50 Wireless II can go significantly deeper on the low side and provide stronger bass compared to the LS50 Wireless'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 Bookshelf class in our database.

Low Frequency

Bookshelf Speakers

LS50 Wireless II
LS50 Wireless
Min
Average
Max
High Frequency

Bookshelf Speakers

KEF LS50 Wireless II
KEF LS50 Wireless
Min
Average
Max

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 LS50 Wireless II and LS50 Wireless 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.

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 LS50 Wireless II's and KEF LS50 Wireless's external dimensions. KEF LS50 Wireless II has external dimensions of 277.8 x 200.0 x 322.3mm ( 10.9375 x 7.875 x 12.6875inch) whereas KEF LS50 Wireless has external dimensions of 301.6 x 200.0 x 336.5mm ( 11.875 x 7.875 x 13.25inch) .

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 LS50 Wireless II is approximately 644.6cm2 / 99.9inch2 and base area of the KEF LS50 Wireless is approximately 673.0cm2 / 104.3inch2. The LS50 Wireless II requires 4% less surface area than the LS50 Wireless 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 LS50 Wireless II weighs 10.00kg / 22lbs and the KEF LS50 Wireless weighs 10.00kg / 22lbs.

Here is a comparison of how LS50 Wireless II and LS50 Wireless's weights compare with the average, max and min weights in Powered Bookshelf class.

Weight
All Bookshelf Speakers
KEF LS50 Wireless II
KEF LS50 Wireless
Min
Average
Max

What's in the Box of KEF LS50 Wireless II?

Here are the items that are included inside the box of LS50 Wireless II:
  • 2 Wireless powered speakers
  • Two 6.5-feet AC power cords
  • 10-feet Cat-6 interconnect speaker cable
  • Remote control
  • 2 AAA batteries
  • Quick Start Guide
  • Important Safety Information
  • Warranty Information
  • What's in the Box of KEF LS50 Wireless?

    Here are the items that come with the LS50 Wireless:
  • Wireless powered speaker (Right)
  • Wireless powered speaker (Left)
  • Two 6.5-feet AC power cords
  • 10-feet Cat-6 interconnect speaker cable
  • 6.5-feet USB-B to USB-A cable
  • 42

  • Reasons to choose KEF LS50 Wireless II over KEF LS50 Wireless
    Uni-Q Driver 12th Generation vs 11th Generation Newer generation Driver
    Low Frequency Response 45 Hz vs 79 Hz Generates deeper bass
    Height 277mm vs 301mm Easier to fit in smaller spaces
    Base Surface Area 644cm2 vs 673cm2 Takes less floor space
    3.5mm Connection Yes vs No Connection via 3.5mm AUX input
    HDMI Input eARC vs No Connect HDMI sources directly

    Reasons to choose KEF LS50 Wireless over KEF LS50 Wireless II

    RCA Connection Yes vs No Connection via RCA input
    KEF LS50 Wireless II vs KEF LS50 Wireless Specs Table
    Detailed comparison of specifications
    General KEF LS50 Wireless II KEF LS50 Wireless
    Brand KEF KEF
    Speaker Type Powered Stereo Speakers Powered Stereo Speakers
    Frequency Response 45-28k Hz 79-28k Hz
    Amplifier
    Watts RMS (Continuous) 380-watt RMS 230-watt RMS
    Watts Peak (Max) 760-watt RMS n/a
    Max Bit Depth 32-bit 24-bit
    Max Sample Rate 384 kHz 192 kHz
    Drivers
    Woofer Quantity 1 1
    Woofer Size 5.25" 5.25"
    Woofer Composition Aluminum Magnesium/aluminum alloy
    Woofer Surround Material Rubber Rubber
    Tweeter Size 1" 1"
    Tweeter Type Hard-Dome Hard-Dome
    Aimable Tweeter No No
    Midrange Driver No No
    Firing Direction rear rear
    Physical Specs
    Height 277.8mm (10.9") 301.6mm (11.9")
    Width 200.0mm (7.9") 200.0mm (7.9")
    Depth 322.3mm (12.7") 336.5mm (13.2")
    Weight 10.00kg (22lbs) 10.00kg (22lbs)
    Enclosure Bass Reflex Bass Reflex
    Mounting Bracket No No
    Moisture Resistancy No No
    Connections
    Aux Inputs 3.5mm RCA
    USB Port Service only USB-B
    Phone Input No No
    Subwoofer Output Wired Wired
    Digital Input Optical, Coax Optical
    HDMI Input eARC No
    Headphone Jack No No
    Ethernet Port Yes Yes
    Other
    Parts Warranty 1 Year 1 Year
    Labor Warranty 1 Year 1 Year

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