KEF LSX User Manual
  1. Manuals
  2. Brands
  3. KEF Manuals
  4. Speakers
  5. LSX
  6. User manual

KEF LSX User Manual

Hide thumbs Also See for LSX:
Table of Contents

Advertisement

Quick Links

See also: Owner's Manual
User Manual
LSX

Advertisement

Table of Contents
loading

Related Manuals for KEF LSX

Summary of Contents for KEF LSX

  • Page 1 User Manual...

  • Page 2: Table Of Contents

    Front Panel ....................................12 Back Panel ....................................13 Remote Control ..................................14 6. Status Indication (LED indicator) ..................15 7. Setting Up the LSX .........................16 Installing the Speakers ...............................16 Speaker Placement ................................16 Installing the KEF Apps ..............................17 Setting Up with Wi-Fi ...............................17 7.4.1...
  • Page 3 11. Storage ............................53 12. FAQ and Troubleshooting ....................54 12.1 Setup and Network Connection ..........................54 12.2 Operation ....................................58 12.3 KEF Control App and KEF Stream App ....................... 61 12.4 Maintenance .....................................62 12.5 Comments and Requests ...............................63 12.6 Troubleshooting ..................................63 12.7 Resetting to Factory Default ............................66 12.8 LED Indicators ..................................67...

  • Page 4: Introduction

    Introduction Thank you for choosing KEF wireless high-resolution speaker system – LSX. Innovation is what sets KEF apart from its competitors. For over 50 years KEF has been at the forefront of loudspeaker research and development, designing class-leading speakers that have dealt with the challenges of reproducing the latest musical formats, and reproducing them to the highest possible quality.

  • Page 5: General Information

    General Information Reading and Storing the User Manual This user manual accompanies the LSX speaker system (hereafter referred to as the “speakers”), and contains important information on setup and handling. Before using your speakers, read the user manual carefully. This particularly applies to the safety instructions.

  • Page 6: Safety

    Safety Proper Use The speakers are exclusively intended for private indoor use and are not suitable for commercial purposes. Use the speakers only as described in this user manual. Any other use is deemed improper and may result in damage to property or even personal injury. The speakers are not a toy.

  • Page 7: Battery Notes

    • Do not use the speakers if they are damaged or if the power cable or plug is defective. • Never touch the power plug with wet or damp hands. • Do not pull the power plug out of the socket/outlet by the cable; instead, always pull it out by the plug itself.

  • Page 8: General Safety Notes

    3.2.3 General Safety Notes WARNING! Risk of injury and damage! Improper handling of the speakers may increase the risk of injury and damage. • Read these instructions. • Keep these instructions - for future reference. • Heed all warnings - on the speakers and in all product documentation. •...

  • Page 9: Electromagnetic Interference

    Do not attempt to service this product yourself. Opening or removing covers may expose you to dangerous voltages or other hazards. Please contact KEF to be referred to an authorized service center near you.

  • Page 10: Fcc Radiation Exposure Statement

    3.2.6 FCC Radiation Exposure Statement This device complies with FCC radiation exposure limits set forth for an uncontrolled environment and it also complies with Part 15 of the FCC RF Rules. This equipment must be installed and operated in accordance with provided instructions and the antenna(s) used for this transmitter must be installed to provide a separation distance of at least 20 cm from all persons and must not be co-located or operating in conjunction with any other antenna or transmitter.

  • Page 11: In The Box And Unpacking

    In the Box and Unpacking NOTICE! Risk of damage! Using a sharp knife or other pointed object to open the packaging may damage the speakers. • Be very careful when opening the packaging. Follow the instructions on the packaging to lift up the speakers from the sides to avoid damaging the Uni-Q drivers (speaker cones).

  • Page 12: Controls And Connections

    Controls and Connections Front Panel Slave Speaker Master Speaker • An LED indicator can be found on each speaker, below the Uni-Q driver (speaker cone). • The IR (infrared) receiver for the remote control can be found on the Master Speaker where the LED indicator is located.

  • Page 13: Back Panel

    Back Panel Controls and connections are found on the back panel of each speaker, marked as shown. B Bluetooth pairing button Enables Bluetooth pairing. The speakers will be ready to pair a new device. Any Bluetooth connected device will be disconnected. M Master-Slave pairing Re-establishes the connection between the Master and button...

  • Page 14: Remote Control

    C USB power port Charges Compatible Personal Assistant Devices and (5 V 2 A) mobile devices. Charging is not available when the speakers are in Standby Mode. T To Master/Slave Connects to the Master/Slave Speaker with the inter- connection port speaker cable.

  • Page 15: Status Indication (Led Indicator)

    Status Alternating between The speakers are ready to connect to a Wi-Fi network. white and orange Launch the KEF Control app to set up the speakers. The speakers are in Standby Mode and connected to a Solid orange Wi-Fi network.

  • Page 16: Setting Up The Lsx

    Master and Slave Speakers are separated. Try to keep the same distance to the listener to form an equilateral triangle. *The left and right channels can be swapped through the KEF Control app. See chapter “Inverse L/R Speakers”. Maximum Distance between the Two Speakers Wireless Mode Up to 5 meters.

  • Page 17: Installing The Kef Apps

    The KEF Control app allows you to set up the speakers, apply sound settings, turn on/off the speakers and switch sound sources. The KEF Stream app allows you to access to and play back your locally or network stored music.

  • Page 18: Android And Ios (Non Airplay 2) Method

    Airplay 2 is available from firmware version 4.0. After firmware upgrade, iOS users should follow the chapter "iOS (Airplay 2) Method" to perform the setup. 1. To connect LSX to your network, open the KEF Control app on your device. Select “KEF LSX” from the selection menu and then tap “Next”.
  • Page 19 8. Return to the KEF Control app and then tap “Next”. 9. Select your Wi-Fi network from the list, enter the password of your Wi-Fi network and then tap “Next”. 10. Create a name for the speakers (optional) and then tap “Next”.

  • Page 20: Ios (Airplay 2) Method

    The LED indicator on the Master Speaker will flash orange and white. 2. Open the KEF Control app on your device. Select “KEF LSX Airplay” from the selection menu and then tap “Next”.

  • Page 21: Over The Air Firmware Update

    “Next”. Cable Mode will also be automatically activated (see chapter “Cable Mode”). 3. Wait until the firmware is downloaded and updated. The entire process may take around 20 minutes. The KEF Control app must be KEPT IN THE FOREGROUND. DO NOT unplug the power cables, DO NOT disconnect the inter-speaker cable and DO NOT reset speakers during the upgrade.

  • Page 22: Checking For Update Manually

    3. Tap “Firmware Update”. 4. If a new firmware is available, tap “Update”. 5. Follow the instructions on the KEF Control app to complete the update (see chapter “Automatic Update Alert”). • When the firmware update is completed, you may disconnect the inter- speaker cable.

  • Page 23: Setting Up Without Wi-Fi

    Setting Up Without Wi-Fi You can still set up the speakers without a Wi-Fi network. However, this will limit the controls and functionality of the speakers. In addition, important updates and bug fixes will be missed without Wi-Fi connection. 1. To set up without Wi-Fi connection, connect the power cables to the AC input connectors at the back of the speakers.

  • Page 24: Control Interface

    Control Interface Using KEF Control App The KEF Control app lets you set up the speakers, apply sound settings, turn the speakers on and off and switch sound sources. 8.1.1 Home Screen Speaker settings Speaker selection Source Play/pause KEF Stream app...

  • Page 25: Sound Optimization: Eq Settings

    8.1.2 Sound Optimization: EQ Settings 1. To adjust the sound settings of the speakers, tap the EQ settings icon ( ) at the lower right corner in the home screen. 2. Then tap “Add New Profile” to proceed. You can then select between Basic and Expert Modes. The sound adjustments you have configured in Basic or Expert Mode are the same.
  • Page 26 • Basic Mode Basic Mode lets you configure the EQ settings according to your listening area. They include: • Installation location: On a stand or on a desk • Distance from front edge of the table (on a desk only) (> 50 cm to 0 cm) •...
  • Page 27 • How is your room? (Damped / Moderate / Lively) Damped: Large furniture, thick carpet and heavy curtains Moderate: Medium furniture, thinner carpet or rug, some curtains and features on walls Lively: Hard floor, less furniture, large windows and no curtains •...
  • Page 28 • Expert Mode The Expert Mode lets you configure the EQ preferences in greater precision. They include: • Desk Mode (On / Off, -6.0 dB to 0.0 dB) • Wall Mode (On / Off, -6.0 dB to 0.0 dB) • Treble Trim (-2.0 dB to 2.0 dB) •...
  • Page 29 Understanding the EQ Settings On a desk/distance from front edge of the table (Expert Mode: Desk Mode): This setting adjusts the “presence” region (170 Hz +/- 1 octave). Too much causes a muddy sound, while a lack of presence makes the sound distant and empty.
  • Page 30 Selecting a Sound Profile 1. Tap the name of the current sound profile at the bottom of the home screen. 2. Select a sound profile from the selection menu.

  • Page 31: Adjusting The Settings Of The Speakers

    8.1.3 Adjusting the Settings of the Speakers Tap the Speaker Settings icon ( ) at the top right corner on the home screen to access the settings menu for more configurations. • Cable Mode You can connect the Master and Slave Speakers with the provided inter-speaker cable through the “To Master/Slave”...
  • Page 32 This mode recovers the speakers when there is a failure during the firmware update. 1. Make sure all other KEF wireless speakers, if any, are removed from the network (including LS50 Wireless speakers) and only keep the LSX speakers that require recovery on the network.
  • Page 33 [A] of the Master Speaker until the LED indicators at the front of the Master and Slave Speakers flash white, blue, purple and yellow. Then tap “Next”. 8. The KEF Control app will start searching for your speakers to resume the firmware update process.
  • Page 34 Depending on the nature of failure, you may see an alert with a “Start recovery” button in the KEF Control app during the firmware update. In this case, closely follow the instructions in the app to carry out the recovery.

  • Page 35: Using The Remote Control

    Using the Remote Control The remote control lets you perform basic controls of the speakers. On/off button Source button Volume down button Volume up button Mute button Play/pause button Previous button Next button On/off button Turns on or off the speakers. Volume down button Decreases the volume.

  • Page 36: Playback And Streaming

    Playback with Wi-Fi 9.1.1 Using the KEF Stream App The KEF Stream app allows you to access to and play back your locally or network stored music as well as music from streaming services (Spotify and Tidal). 9.1.1.1 Home Screen...

  • Page 37: Main Menu

    Network music Settings Home Accesses Home Screen. Remote control Prompts to the KEF Control app. News Checks out the latest updates on new features, firmware update and other useful information. Library Accesses the local library. Displays compatible music files saved on device.

  • Page 38: Playback Screen

    9.1.1.3 Playback Screen Hide playback screen Queue Track scroll Track metadata Option Favourites Previous/next Repeat Shuffle Play/pause Volume control Mute Hide playback screen Hides the playback screen. Track metadata Shows the metadata (e.g. song name) of the track. Favourites Adds the track to favourites. Shuffle Activates/deactivates the random playback of tracks.

  • Page 39: Playing Music From Connected Device (Library)

    9.1.1.4 Playing Music from Connected Device (Library) This lets you play compatible music files stored in the connected device (e.g. mobile phone). 1. Tap “Library” to show the music files stored in the device. 2. Browse and select a track to play. Music files are categorized according to artists, tracks and album.

  • Page 40: Playing Music From Spotify

    9.1.1.7 Playing Music from Spotify See chapter “Streaming with Spotify Connect”. 9.1.1.8 Favourites To show the favourites in your local library, tap “Favourites” from the main menu. The recently added favorites can be found on the home screen. • Selecting or Deselecting a Track as Favourites From the playback screen, tap the heart icon ( ) to select or deselect the track as favorites, or...

  • Page 41: Queue

    9.1.1.10 Queue Adding a track to the queue means the track will be played after the current playing track. The queue is not permanent and cannot be saved. • Adding a Track in the Queue 1. From a list of tracks, tap the option icon ( … ) on the right hand side. 2.
  • Page 42 • Editing the Queue 1. From the current queue, tap the pencil icon ( ) at the top right corner. 2. To remove a track from the queue, select the track by tapping in the circle and then tap the trash bin icon ( 3.

  • Page 43: Playlists

    A playlist is a list of tracks that can be played back in the preferred sequential order. Playlists can be saved for future listening. Tap “Playlists” from the main menu to show the playlists created in the KEF Stream app and from your local library. The recently played playlists can also be found on the home screen.
  • Page 44 • Adding Tracks to a Playlist 1. From a list of tracks or from the playback screen, tap the option icon ( … ) on the right and then select “Add to Playlist”. 2. Select the playlist you want the track to add to. Depending on your selections, you can also add all tracks from an artist or all tracks from an album to the playlist.
  • Page 45 • Deleting a Playlist 1. Tap “Playlists” from the main menu. 2. Tap the playlist to be deleted. 3. Tap the option icon ( … ) at the top right corner. 4. Tap “Delete Playlist”. 5. Tap “Confirm”.

  • Page 46: Settings

    Disable this feature if you are experiencing any playback issue. • Advanced Settings • My Speakers This allows you to register a new pair of speakers with the KEF Control app. • Analytics This allows the KEF Control app to send crash reports and improvement analytics to the manufacturer.

  • Page 47: Streaming With Airplay 2

    2. Tap the AirPlay 2 icon ( ) at the bottom of the playback screen. 3. Select the “KEF LSX” speakers (or the name you have created for the speakers) from the selection menu. The audio output will be played from the selected speakers.

  • Page 48: Streaming With Spotify Connect

    4. Select the speaker icon ( ) at the bottom of the playback screen. 5. Select the “KEF LSX” speakers (or the name you have created for the speakers) from the selection menu. The music will be played from the speakers.

  • Page 49: Streaming With Qplay

    2. Launch the QQ Music app and enable QPlay in the settings. 3. Browse and play a track. 4. Tap the QPlay icon ( ) on the playback screen. 5. Select the “KEF LSX” speakers (or the name you have created for the speakers) from the device list.

  • Page 50: Streaming With Roon

    (e.g. Windows Media Player and foobar2000) and apps (e.g. BubbleUPnP and MConnect Control). In the settings or setup menu of a DLNA software or app, select “KEF LSX” as the output speakers for audio streaming. *Digital Living Network Alliance (DLNA)

  • Page 51: Playback With Bluetooth

    (B) on the back of the Master Speaker until the LED indicator flashes blue slowly. 2. Turn on the Bluetooth feature of your device and select “KEF LSX” from the list of available devices to pair. When Bluetooth pairing is done, you will hear an indicator tone from the speakers. The LED indicator will turn solid blue.

  • Page 52: Playback With Optical Input

    (O) on the back of the Master Speaker. 9.3.2 Selecting Optical Mode In the KEF Control app, press the Optical Mode button (OPT) to switch to Optical Mode. Or press the source button on the remote control to switch to Optical Mode.

  • Page 53: Cleaning And Maintenance

    Cleaning and Maintenance WARNING! Risk of electric shock! Improper cleaning of the speakers may result in injury. • Always unplug the power cables from the power socket/outlet before cleaning the speakers. NOTICE! Risk of short circuit! Water and other liquids that have penetrated the housing may cause a short circuit. •...

  • Page 54: Faq And Troubleshooting

    1. I don’t have a home network and/or a smartphone for set-up. It is possible to use LSX without a Wi-Fi network? Yes you can. However it is highly recommended you connect the LSX to a home network with a live internet connection, as most of the important features (TIDAL, Spotify Connect) and the KEF Control/Stream apps rely on these.
  • Page 55 The Slave or Left channel should be placed on the left hand side of the speaker. You can swap the channels inside the KEF Control app: Settings > Inverse L/R Speakers. 6. How far should I separate the Master and Slave speakers? For the best stereo experience/soundstage, place the speakers 1 to 3 meters apart.
  • Page 56 8. What is the optimal listening position? For the best sound experience separate the Master and Slave Speaker by 1 to 3 meters. Optimal distance between the speakers and the listener will depend on the Master and Slave Speaker separation. Try to aim for approximately the same distance to the listener (i.e.
  • Page 57 Wi-Fi Mode has been disabled. In this mode the Wi-Fi source is disabled. To resume using the LSX with a Wi-Fi connection, reset the speaker to Setup Mode. Please refer to "Resetting to Factory Default" for factory reset into Setup Mode.

  • Page 58: Operation

    On the physical remote control press the source button once to toggle between inputs. On the KEF Control app press the source icon once to switch to a particular input. The colour of each source corresponds to the colour of the LED on the Master Speaker.
  • Page 59 LED will go off, indicating normal operation. 6. How can I adjust the auto-standby time? In the KEF Control app: navigate to Settings > Standby Mode > set to "Never" or "60 minutes" Please note that if you set to "Never" the speaker will not power OFF automatically.
  • Page 60 – 13. Can I use the LSX with my TV? Yes. The LSX contains a very high-quality optical input that will work with the vast majority of televisions via a standard optical TOSLINK cable. Ensure that your television is set to output digital audio in PCM format (please see your television manual for details).

  • Page 61: Kef Control App And Kef Stream App

    1. What is the minimal supported Android version for KEF Control app and KEF Stream app? The KEF Control app supports Android 4.4 and above. 2. What is the minimal supported iOS version for KEF Control app and KEF Stream app? The KEF Control app supports iOS10 and above.

  • Page 62: Maintenance

    Use an anti–static cleaner to clean the Uni-Q driver carefully with a soft sponge. 2. How do I clean the fabric areas of the LSX? Normal cleaning Regular cleaning is important in order to keep the fabric looking its best and to prolong its life.

  • Page 63: Comments And Requests

    Slave Speaker will only light up if there is a problem. 2. I cannot find my LSX in the Wi-Fi list during set-up (Step 3), what should I do? It may take up to a minute for the LSX to become discoverable after the power is turned on.
  • Page 64 Please use the "Send logs & feedback" option inside the corresponding app. If you find an issue inside the KEF Stream app use KEF Stream app to send a log, and if you find an issue with KEF Control app use KEF Control to send a log.
  • Page 65 2. Please make sure the volume is not muted (the source LED will be blinking). 3. Try adjusting the volume on the KEF Control app or physical remote control. If the problem persists please contact your local KEF representative or send an email to support@kef.com.

  • Page 66: Resetting To Factory Default

    Wait until the LED light stops flashing. 2. The LED indicator of the Master Speaker should flash white and orange. 3. Launch the KEF Control app and follow the instructions to set up the speakers.

  • Page 67: Led Indicators

    LED indicators on the Master and Slave Speakers. Refer to the table below. Speaker Pattern Status LSX is ready to connect to a Wi-Fi network. Flashing white and Master Launch the KEF Control app to set up the orange speakers.
  • Page 68 The speakers are muted in AUX Mode. The Master Speaker is in wireless pairing mode searching for the Slave Speaker. 1. Make sure Cable Mode is disabled on the KEF Flashing white and Master Control app (Settings > Cable Mode).
  • Page 69 2. Wait approximately 60 seconds. 3. Plug the power cables back to both speakers. Master Flashing red slowly 4. Perform the firmware update again on the KEF and Slave Control app. If the problem persists, please send a log from the KEF Control app (Settings >...

  • Page 70: Specifications

    Specifications Model Type Wireless speaker Drive units Uni-Q driver array: HF: 19 mm (0.75 in.) aluminium dome LF/MF: 115 mm (4.5 in.) magnesium/aluminium alloy cone Frequency range (-6 dB) 49 Hz–47 kHz (More bass extension) measured at 85 dB/1 m 52 Hz–47 kHz (Standard) 55 Hz–47 kHz (Less bass extension) Depending on speaker settings...
  • Page 71 For further information and troubleshooting, please visit the KEF website: KEF.COM KEF reserves the right, in line with continuous research and development, to amend or change specifications without prior notice. E. & O.E The Bluetooth word mark and logos are registered trademarks owned by Bluetooth SIG, Inc.

  • Page 72: Disposal

    Disposal 14.1 Disposing of the Packaging Sort the packaging before you dispose of it. Dispose of paperboard and cardboard with the recycled paper service and wrappings with the appropriate collection service. 14.2 Disposing of the Speakers Old appliances may not be disposed of in the household waste! Should the speakers no longer be capable of being used at some point in time, dispose of them in accordance with the regulations in force in your city or county.

  • Page 73: Appendix

    Appendix 15.1 Explanation of symbols 15.1.1 Warning Symbols The lightning flash with arrowhead symbol, within an equilateral triangle, is intended to alert the user to the presence of uninsulated “dangerous voltage” within the products enclosure that may be of a sufficient magnitude to constitute a risk of electrical shock to persons.
  • Page 74 Asia-Pacific The Regulatory Compliance Mark (Australia, New Zealand) indicates that the product complies with the relevant guidelines of the ACMA as well as corresponding government requirements for the safety of electrical devices. The symbol indicates that the product meets the specified safety requirements of Singapore Consumer Protection Registration Scheme.

  • Page 75: Integration With Home Automation Control System

    15.2 Integration with Home Automation Control System Drivers for integrating LSX to the most common Home Automation Control System are available for download. Control 4 https://www.intrinsicdev.co.uk/downloads/kef_ls50w_c4/ Crestron https://www.intrinsicdev.co.uk/downloads/kef-ls50w-for-crestron/ Elan https://www.intrinsicdev.co.uk/downloads/kef_ls50w_elan/ https://www.intrinsicdev.co.uk/downloads/kef-ls50w-for-rti/ For support and information on the above drivers, please contact our development partner Intrinsic(DEV) directly: https://www.intrinsicdev.co.uk/...

  • Page 76: Ir Command Codes

    15.3 IR Command Codes LSX works with universal programmable remote control provided that the remote control manufacturers have implemented KEF IR command codes in their remote controls. The following table lists the command codes required. Code Format: Factory Code: 0x01...
  • Page 77 Contact KEF Country Customer Support Number Customer Support Email +44 1622 672 261 support.uk@kef.com Germany 0201-17039-0 Info.de@kef.com Austria 0201-17039-1 Info.de@kef.com Belgium +32(0)2/468 30 33 Info.be@kef.com Bulgaria +359 298 67 329 info@homecinema-bg.com Croatia +385 (1) 383 28 14 info@sigma-audiokoncept.hr Cyprus +357 2275 7738 michael.pk@cytanet.com.cy...

Table of Contents