FAQ AND TROUBLESHOOTING

LS60 WIRELESS

A. FAQ AND TROUBLESHOOTING

SET-UP

A1.1. How do I set up the speakers?

A1.2. What router specifications do the speakers support?

A1.3. Can I use a mesh router?

A1.4. How far apart can I place the two speakers?

A1.5. How large a room can the speakers cover?

A1.6. Can I change the Primary Speaker as the left channel?

A1.7. Do I need to pair the two speakers?

A1.8. What is the purpose of the ethernet cable in the packaging box?

A1.9. Can I rename the speaker?

A1.10. I have got a pair of speakers with different serial numbers. How can I pair them?

PLAYBACK AND STREAMING

A2.1. Which is the best wireless streaming option for different apps?

A2.2. Can I stream audio output from Youtube, Netflix and other media contents to the speakers?

A2.3. Is the subwoofer output mono or stereo?

A2.4. How should I set the speakers if I prefer to adjust the volume on an external equipment (preamplifier, streamers/multi-room systems) rather than through the KEF Connect App?

TROUBLESHOOTING

A3.1. What should I do to set up the speakers to another network?

A3.2. What should I do if I cannot find my speakers in the network during set-up?

A3.3. How do I report a bug or an issue?

A3.4. There is no sound from both speakers.

A3.5. There is dropout from both speakers.

A3.6. There is no sound from the Secondary Speaker.

A3.7. There is dropout from the Secondary Speaker.

A3.8. The audio is out of sync with the picture when using the speakers with a TV.

A3.9. I have connected the speakers to the TV with an HDMI cable, why is there no sound?

A3.10. I have connected the speakers to the TV with an optical cable, why is there no sound?

A3.11. I cannot find a radio station or podcast in the KEF Connect App.

A3.12. I cannot adjust the speaker volume.

LED INDICATORS

A. FAQ AND TROUBLESHOOTING

SET UP

A1.1. How do I set up the speakers?

First of all, a home Wi-Fi network is required. This is to ensure you can enjoy the full range of features and keep the system up to date.

Then, download the KEF Connect App from the App Store or Google Play Store and install it on your mobile device. Follow the instructions in the KEF Connect App to get the speakers connected (onboarded) to your home Wi-Fi network.

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A1.2. What router specifications do the speakers support?

IEEE 802.11a/b/g/n/ac, IPv4, IPv6, Dual-band 2.4 GHz / 5 GHz

For better streaming stability, especially on high resolution music files, a 5 GHz Wi-Fi network with a router transmission speed of at least 1300 Mbps is recommended.

Office, hotel, guest and public networks often feature additional security or authentication methods which may prevent the speakers from connecting. You may need the help of the network administrator to configure the network to allow full functionality if using these kinds of networks.

LTE routers/mobile hotspots will work, but may also consume a significant amount of battery power and mobile data.

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A1.3. Can I use a mesh router?

Yes, we have tested the most popular mesh routers and they are working well with the speakers. However, as there is not yet an industrial standard for mesh routers, each manufacturer may have their own meshing technology. If your mesh router does not work with the speakers, make sure you have updated your router to the latest firmware or contact the manufacturer for solutions.

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A1.4. How far apart can I place the two speakers?

Wireless: up to 8 meters apart depending on your network condition. A congested network environment will have more interferences and may reduce this distance.

Wired: Cable length up to 10 meters.

Optimal listening distance between the speakers and the listener will depend on how far the Primary Speaker and Secondary Speaker are separated from each other. Try to aim for approximately the same distance between the Primary Speaker and Secondary Speaker and between the speakers and the listener.

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A1.5. How large a room can the speakers cover?

10–200 m2

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A1.6. Can I change the Primary Speaker as the left channel?

By default, the Primary Speaker is the right channel and the Secondary speaker is the left channel. After connecting the speakers to your home Wi-Fi network, you can inverse the L/R channels in the KEF Connect App.

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A1.7. Do I need to pair the two speakers?

No, the two speakers are already paired at the factory. If you do not hear any sound from the Secondary Speaker, see chapter “Troubleshooting”.

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A1.8. What is the purpose of the ethernet cable in the packaging box?

Use this inter-speaker cable to connect the Primary Speaker and Secondary Speaker if you prefer a higher sound reolution (192 kHz/24 bit), or if the wireless connection between the speakers is not stable. After connecting the inter-speaker cable, you must also enable Cable Mode in the KEF Connect App.

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A1.9. Can I rename the speaker?

Yes, renaming can be done in the KEF Connect App. This will change the name for both Wi-Fi and Bluetooth connections.

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A1.10. I have got a pair of speakers with different serial numbers. How can I pair them?

If applicable, unplug all KEF LS50 Wireless II and LS60 Wireless speakers nearby to prevent incorrect pairing.

Plug in the LS60 Wireless Primary and Secondary Speakers.
The front LED light of the Primary Speaker should flash blue/white, indicating that the Secondary Speaker is missing.

Press and hold the P/S pairing button on the Primary Speaker for at least 5 seconds until the LED light of the P/S pairing button starts blinking quickly.

Press and hold the P/S pairing button on the Secondary Speaker for at least 5 seconds until the LED light of the P/S pairing button starts blinking quickly.
Within a few seconds, the LED lights of both P/S pairing buttons on the two speakers should stay lit, and the front LED lights of both speakers should stay lit briefly and then fade out.

Play some music through the speakers to ensure they are working properly.

Contact KEF customer service to ensure your warranty is not affected.

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PLAYBACK AND STREAMING

A2.1. Which is the best wireless streaming option for different apps?

Recommendations for the best wireless streaming options with regard to music/ media apps on your mobile devices.

Wireless streaming protocol
App AirPlay2 Chromecast ROON Ready Music streaming app native protocol KEF Connect App Bluetooth
Spotify - Spotify Connect -
TIDAL TIDAL Connect
QQ Music - QPlay -
Apple Music - - -
Amazon Music - -
Deezer - -
Qobuz -
Internet radio - -
Audio podcast - -
Youtube (audio) - - -
Youtube Music * - - -

 

✓ = Supported
= Supported and recommended for the best audio quality and streaming stability.
*Only available with a Youtube Music Premium account.

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A2.2. Can I stream audio output from Youtube, Netflix and other media contents to the speakers?

You can stream through AirPlay, Chromecast or Bluetooth. Subject to changes according to the platforms.

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A2.3. Is the subwoofer output mono or stereo?

The output is mono.

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A2.4. How should I set the speakers if I prefer to adjust the volume on an external equipment (preamplifier, streamers/multi-room systems) rather than through the KEF Connect App?

In the KEF Connect App:

1. In Settings, go to “Volume”, change “Volume Display” to “-/+”
2. Select the relevant source input.
3. Change the volume to 71. The source selection is now set to “Unity gain”.

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TROUBLESHOOTING

A3.1. What should I do to set up the speakers to another network?

A factory reset is necessary. This will clear the previous network settings and all EQ and system preferences. For this purpose, press and hold the Reset button (R) on the back panel until the LED light above the button blinks.

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A3.2. What should I do if I cannot find my speakers in the network during set-up?

Make sure the LED light of the Primary Speaker is blinking white and amber. The speakers are ready to connect to a Wi-Fi network.

Wait for about 30–40 seconds for the speakers to be visible on the speaker list.

If you still cannot see the speakers, make sure your mobile device, the speakers and the router are within line of sight (the closer the better).

The speakers broadcast on Channel 2 (2.4 GHz band). If your router overlaps this channel, it may cause issues with discoverability and connection. Go to your router settings and configure the 2.4 GHz channel to avoid overlapping with Channel 2.

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A3.3. How do I report a bug or an issue?

In the KEF Connect App, go to “Settings” > “Support”. To let us better understand the bug or issue, please provide a descriptive report.

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A3.4. There is no sound from both speakers.

Check if the speakers are already turned on and not muted.

Make sure you are playing the correct set of speakers and have selected the correct sound source.

Check the volume level, you may need to turn up the volume.

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A3.5. There is dropout from both speakers.

A congested network environment reduces bandwidth for music streaming, you need to set up the speakers to a less crowded router channel.

Check if there is a network problem. Perform the speaker connection test in the KEF Connect App.

Change the audio streaming quality in the KEF Connect App to a lower resolution.

A congested network or multiple wireless devices lead to high interference. Try to minimize the interference around the speakers. If the problem persists, connect the internet port of the speakers to the router.

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A3.6. There is no sound from the Secondary Speaker.

Make sure the Secondary Speaker is connected to power.

Check if the connection between the two speakers is lost (the LED indicator light of the Primary Speaker is blinking white and blue).If the connection is lost, short press the P/S pairing button (P) on the back panel of the Primary Speaker to re-establish the connection. Wait a while until the connection is established. Note: Do not press the button for more than 1 second.

If the problem persists, connect the speakers with the inter-speaker cable and turn on Cable Mode in the KEF Connect App.

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A3.7. There is dropout from the Secondary Speaker.

If the speakers are connected wirelessly, try to move them closer to each other.

If the problem persists, connect the speakers with the inter-speaker cable and turn on Cable Mode in the KEF Connect App.

A congested network or multiple wireless devices lead to high interference. Try to minimize the interference around the speakers.

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A3.8. The audio is out of sync with the picture when using the speakers with a TV.

If available, try the video delay/lip sync function of your TV.

Use HDMI/optical input, and try to avoid Bluetooth connection. There is an inherent delay in the Bluetooth codec.

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A3.9. I have connected the speakers to the TV with an HDMI cable, why is there no sound?

Make sure the source is switched to TV for the speakers.

Check the front LED indicator light of the Primary Speaker. If the LED indicator light of the Primary Speaker is blinking light blue, the HDMI connection is not found. In this case, make sure that the HDMI cable is connected to the ARC port of the TV. If the LED indicator light of the Primary Speaker is pulsing light blue, only CEC (not ARC) connection is established (TV may respond without sound). In this case, do the following:

The HDMI CEC connection needs to be enabled on the TV. As manufacturers may name this connection differently (e.g. Anynet+ for Samsung, Simplink for LG), please check the user manual of your TV on how to turn on HDMI connection for your TV. Once the HDMI CEC connection is enabled, the LED indicator light of the Primary Speaker illuminates light blue briefly and then fades out (both CEC and ARC connections are now established).

If there is only no sound but everything else is working, please make sure that the audio output of HDMI is set to PCM (this is often set to Dolby Digital by default). As the settings menu of each TV manufacturer is different, please refer to the user manual of your TV. Also check the settings within the application in use (e.g. Netflix and Disney+) and make sure PCM is selected.

Change the HDMI cable (our internal tests found that HDMI cables of lower quality may not be able to establish the connection) and make sure the HDMI cable is properly connected.

As a last resort, power cycle the TV (unplug the power cable from the TV and wait about 10-15 seconds before plugging it back in) and try again. Smart TVs are like phones and sometimes require a reboot.

If the problem persists, please report the issue in the Support section of the KEF Connect App for investigation. In the meantime, use the Optical connection as a fall-back solution.

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A3.10. I have connected the speakers to the TV with an optical cable, why is there no sound?

Make sure your TV is set to output digital audio in PCM format.

If the problem persists, try a different optical cable or connection option (e.g. HDMI).

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A3.11. I cannot find a radio station or podcast in the KEF Connect App.

We are constantly updating and expanding our database for radio stations and podcasts. Please use the Support function in the KEF Connect App and send us the RSS link of the website. After verification, we will add it to our database.

Use the Custom Stations feature in the KEF Connect App to register radio stations for easy access.

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A3.12. I cannot adjust the speaker volume.

Check if you have set a maximum level for volume adjustment.

Check if you are connecting and controlling the correct set of speakers in the network.

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LED INDICATORS

The connection and operation status can be easily checked through the colours and patterns of the LED indicator lights on the Primary and Secondary Speakers. Refer to the table below.

Speaker Pattern Status
Primary Blinking white and amber The speakers are ready to connect to a Wi-Fi network. Launch the KEF Connect app to set up the speakers.
Primary Pulsing amber The speakers are in Standby Mode and trying to connect to a Wi-Fi network.
Primary Solid amber* The speakers are in Standby Mode and connected to the Wi-Fi network.
Primary Blinking amber The speakers are unable to connect to a Wi-Fi network.

  • Make sure your router is turned on.
  • Move the Primary Speaker closer to the router. If the problem persists, connect the Primary Speaker to your router by a LAN cable.
  • If this happens right after the network connection, it is likely that the Wi-Fi password is incorrect. Perform factory reset (Press and hold the Reset button (R) on the Primary Speaker until the LED light above the button blinks) and try the connection process again.
Primary Solid white* The speakers are operating in Wi-Fi mode.
Primary Solid green* The speakers are operating in Spotify Connect Mode.
Primary Solid blue* The speakers are operating in Bluetooth Mode and a device is already paired with the speakers.
Primary Pulsing blue The speakers are in the Bluetooth discovery mode and are ready to pair with a Bluetooth device.
Primary Solid light blue* The speakers are operating in TV Mode.
Primary Pulsing light blue The speakers are connecting to a TV.
Primary Blinking light blue The speakers are not connected to a TV.
Primary Solid magenta* The speakers are operating in Optical Mode.
Primary Solid lavender* The speakers are operating in Coaxial Mode.
Primary Solid yellow* The speakers are operating in AUX Mode.
Primary Blinking white slowly The speakers are muted in Wi-Fi Mode.
Primary Blinking blue slowly The speakers are muted in Bluetooth mode.
Primary Blinking light blue slowly The speakers are muted in TV Mode.
Primary Blinking magenta slowly The speakers are muted in Optical Mode.
Primary Blinking lavender slowly The speakers are muted in Coaxial Mode.
Primary Blinking yellow slowly The speakers are muted in AUX Mode.
Primary Blinking white and blue The Primary Speaker is in wireless pairing mode searching for the Secondary Speaker.

  • Make sure Cable Mode is disabled on the KEF Connect app (Settings > Speaker preferences > Cable mode).
  • On the Secondary Speaker, press the (P) P/S Pairing button once. The Secondary Speaker will search for the Primary Speaker for reconnection.
Primary and Secondary Blinking light blue and yellow Cable Mode is enabled and the connection between the speakers is interrupted.

  • Make sure the inter-speaker cable is connected between the Primary Speaker and Secondary Speaker.
  • Make sure the inter-speaker cable is inserted in the correct connection ports: “(T) To P/S” on the Primary Speaker and Secondary Speaker.
Secondary No LED light The Secondary Speaker is operating normally.
Secondary Blinking white and blue The Secondary Speaker is in the wireless pairing mode searching for the Primary Speaker.

  • Make sure Cable Mode is disabled on the KEF Connect app (Settings > Speaker preferences > Cable mode)
  • On the Primary Speaker, press the (P) P/S Pairing button once. The Primary Speaker will search for the Secondary Speaker for reconnection.
Primary and Secondary Blinking red quickly

System error.

  • Pull the power cables from both speakers.
  • Wait approximately 60 seconds.
  • Plug the power cables back to both speakers.
  • The LED indicator of the Primary Speaker should be pulsing amber, indicating that the speakers are attempting to connect to the network.

If the problem persists, please contact your KEF dealer.

Primary and Secondary Blinking red and amber slowly Overheat protection is activated.
Primary and Secondary Blinking white, blue, light blue, magenta, lavender and yellow alternately The firmware is being updated. Do not unplug the power cables until the firmware update is completed. If you encounter any issues during the firmware update, do not interrupt the process and contact your local representative or contact your local KEF dealer.
Primary and Secondary Blinking red slowly

The firmware update process failed.

  • Unplug the power cables from both speakers.
  • Wait approximately 60 seconds.
  • Plug the power cables back to both speakers.
  • Perform the firmware update again on the KEF Connect App.

If the problem persists, please send a log from the KEF Connect App (Settings > Support > Report issue).

Primary Blinking red and light blue slowly The Secondary Speaker is missing during firmware update.
*The LED indicator light illuminates briefly and fades out when there are no active interactions with the speakers (e.g. controlling playback or volume).


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