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KEF LS50 Wireless Review
KEF LS50 Wireless

Main Features

  • 11th Generation Uni-Q Driver
  • 1" Hard-Dome Tweeter
  • 5.25" Magnesium/aluminum alloy Woofer
  • 79-28k Hz Frequency Response
  • 230-watt RMS Integrated Amplifier
  • 24-bit Max Depth / 192 kHz Max Sample Rate
  • Built-in 4.0 Bluetooth
  • Weight:22.00 lbs
  • Dimensions (H x W x D): 11.875" x 7.875" x 13.25"
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KEF LS50 Wireless Review

KEF LS50 Wireless is a 2-way Powered Bass Reflex Bookshelf speaker by KEF. LS50 Wireless's built-in amplifier provides 230-watt RMS. The built-in power amplifier saves space & eliminates the need to connect KEF LS50 Wireless to a stereo receiver or external power amp. It features a 1" Hard-Dome Tweeter and 1 x 5.25" Magnesium/aluminum alloy Woofer. The speaker has a frequency range of 79-28k Hz.

KEF later replaced LS50 Wireless with LS50 Wireless II. Follow the link to read our in-depth comparison of these speakers:
Compare KEF LS50 Wireless vs KEF LS50 Wireless II

What are the speakers in KEF's LS Series?

LS50 Wireless is a member of KEF's LS series of Powered speakers. Below you can see the main specs of these speakers.

KEF LS Series Speakers
Model Frequency Watts RMSMax Depth / Sample Rate Woofer
KEF LS60 Wireless
Compare
31-24k Hz 1400-watt24-bit/384 kHzΩ 4 x 5.25"
KEF LSX II
Compare
49-47k Hz 200-watt24-bit/384 kHzΩ 1 x 4.5"
KEF LS50 Wireless II
Compare
45-28k Hz 380-watt32-bit/384 kHzΩ 1 x 5.25"
KEF LS50 Wireless
79-28k Hz 230-watt24-bit/192 kHzΩ 1 x 5.25"
KEF LSX
Compare
59-28k Hz 200-watt24-bit/96 kHzΩ 1 x 4.5"


**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.

What is the Frequency Response of the KEF LS50 Wireless speaker?

KEF LS50 Wireless has a Frequency response range of 79-28k Hz. At a minimum frequency of 79 Hz, it is hard to expect a strong bass response from LS50 Wireless so depending on your intended use, using a subwoofer will significantly help to widen the response range.

Visit our Powered Subwoofers section to find out more about the available subwoofer options.
Here we have a comparison of how LS50 Wireless's Low and High frequency values compared with the average, max and min Low and High frequency values in its class.
Low Frequency
Bookshelf Speakers
KEF LS50 Wireless
Min
Average
Max
High Frequency
Bookshelf Speakers
KEF LS50 Wireless
Min
Average
Max


KEF LS50 Wireless Back View
KEF LS50 Wireless Back View

Handheld Remote

KEF LS50 Wireless comes with a handheld remote which is obviously very useful to control your powered speakers from a distance.
KEF LS50 Wireless Remote
KEF LS50 Wireless Handheld Remote

Bluetooth Connectivity

KEF LS50 Wireless employs Built-in 4.0 Bluetooth for wireless music streaming from your Bluetooth-enabled devices such as Apple iPod/iPhone/iPad, Android smartphone/tablet, Windows PC, Mac computers/laptops. LS50 Wireless can playback up to 24-bit / 192 kHz with compatible devices.

KEF LS50 Wireless supports the following Bluetooth Codecs when used with supported devices:

  • aptX

Supported Streaming Services

KEF LS50 Wireless supports the following Streaming Services:

  • Spotify
  • QQ Music
  • Tidal

Supported Wireless Streaming System

KEF LS50 Wireless supports the following wireless streaming methods:

  • ROON
  • Bluetooth 4.0

App-Based Control

KEF LS50 Wireless can be controlled wirelessly via KEF Connect application available on Apple iOS and Android.

Inputs and Outputs

  • RCA Input
  • USB Port: USB-B
  • Wired Subwoofer Output
  • Digital Input: Optical
  • Ethernet Port

KEF LS50 Wireless External Dimensions and Weight

KEF LS50 Wireless has external dimensions of (Height x Width x Depth) 11.875 x 7.875 x 13.25inch (301.6 x 200.0 x 336.5mm ).

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 LS50 Wireless is approximately 673.0cm2 / 104.3inch2.

Weight

The speaker with the built-in amplifier weighs 10.20kg / 22.4lbs whereas the other speaker weighs 10.00kg/ 22lbs. Here is a comparison of how LS50 Wireless's weight compared with the average, max and min weights in its class.

Weight
All Bookshelf Speakers
KEF LS50 Wireless
Min
Average
Max

Cabinet type and Materials

KEF LS50 Wireless has a Bass Reflex type cabinet. Bass Reflex type loudspeakers (aka Ported, Vented or Reflex Port) have enclosures that uses a port, hole or vent cut into the cabinet. Ported designs are generally more efficient than the Sealed designs.

Port Position

KEF LS50 Wireless is a rear-firing port speaker so you have to make sure you leave enough space between the back of the speaker and wall or bookshelf so that it has room to breathe.

Wall Mounting

LS50 Wireless doesn't sport any built-in mounting bracket so you need an external structure to mount on walls.

What's in the Box of KEF LS50 Wireless?

Here are the items that are included inside the box of 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
  • KEF LS50 Wireless  - What's in the Box
    KEF LS50 Wireless - What's in the Box

    Warranty

    1 Year of parts warranty and 1 Year of labor warranty is generally provided by the manufacturer.

    KEF LS50 Wireless Alternatives in Powered Bookshelf Speakers
    Model Type Watts RMS Bluetooth Frequency
    KEF LSX II
    Compare
    2-way 200w Built-in 4.2 49-47k Hz
    Jamo S 801 PM
    Compare
    2-way 50w Built-in 3.0 76-26k Hz
    Klipsch The Fives
    Compare
    2-way 160w Built-in 5.0 50-25k Hz
    Klipsch R-51PM
    Compare
    2-way 120w Built-in 3.0 68-21k Hz
    KEF LS50 Wireless II
    Compare
    2-way 380w Built-in 4.2 45-28k Hz
    Dynaudio Focus 20 XD
    Compare
    2-way 300w Optional 39-24k Hz
    Klipsch R-41PM
    Compare
    2-way 70w Built-in 3.0 76-21k Hz
    Kanto YU2
    Compare
    2-way 50w No 80-20k Hz
    Buchardt A500
    Compare
    3-way 450w No 25-40k Hz
    PSB Alpha AM3
    Compare
    2-way 70w Built-in 5.0 56-20k Hz
    Frequently Asked Questions about KEF LS50 Wireless
    What is the External Dimensions of KEF LS50 Wireless


    KEF LS50 Wireless Detailed Specifications

    General
    BrandKEF
    Full Model NameKEF LS50 Wireless
    Speaker Type2-way Bookshelf
    Max SPL106 dB
    Frequency Response79-28k Hz
    Amplifier Specs
    Watts RMS230 watts
    TypeClass D
    DAC Specs
    Max Digital Audio Bit Depth24-bit
    Max Digital Audio Sample Rate192 kHz
    DRIVERS
    Woofer Size5.25-inch
    Woofer CompositionMagnesium/aluminum alloy
    Woofer SurroundRubber
    Tweeter Size1-inch
    Tweeter TypeHard-Dome
    Port Positionrear
    DIGITAL ECOSYSTEM
    Control by AppApple iOS, Android
    App NameKEF Connect
    Amazon AlexaNo
    Google AssistantNo
    Streaming ServicesSpotify
    QQ Music
    Tidal
    Wireless StreamROON
    Bluetooth 4.0
    Multi-room StreamingNo
    Subwoofer OutputWired

    CONNECTIONS
    Ethernet PortYes
    USB PortUSB-B
    Aux InputRCA
    Phono InputNo
    Digital InputOptical
    HDMI InputNo
    Headphone JackNo
    BluetoothBuilt-in 4.0
    Bluetooth CodecaptX
    Wi-Fi802.11 a/b/g/n
    Wi-Fi Bands802.11 a/b/g/n
    Wi-Fi Bands2.4, 5 GHz
    Port Positionrear
    PHYSICAL SPECS
    Height301.6mm ( 11.875-inch)
    Width200.0mm ( 7.875-inch)
    Depth336.5mm ( 13.25-inch)
    Height301.6mm ( 11.875-inch)
    Weight10.00kg ( 22.00 lbs)
    EnclosureBass Reflex
    Mounting BracketNo
    Moisture ResistanceNo
    OTHER
    Handheld RemoteYes
    Parts Warranty1 Year
    Labor Warranty1 Year
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