KEF LSX User Manual

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Table of ContentsSetting Up the LSXUsing the KEF Control AppPlayback and StreamingFAQ and Troubleshooting
• Volume Settings
This lets you configure the following:
• Hardware Volume Buttons
This feature is only available on iOS devices. The hardware volume buttons refer
to the physical volume buttons on your device. Disable this feature when you are
experiencing conflicts with other music streaming apps over Wi-Fi.
• Volume Button Sensitivity
This feature lets you configure the volume steps for each single press of the physical
volume buttons of your device.
• Enable Limitation
This feature lets you set the maximum limit when adjusting the volume.
• Speaker Info
This lets you:
• Rename the speakers
• Find out:
MAC address
IP address
Speaker serial number
Firmware version
• Forget Speaker: To remove the speakers from KEF Control app.
• Firmware Update
This setting checks if a new firmware is available for update. See chapter “Over the Air
Firmware Update”.
• Recovery Mode
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.
2. Disconnect the power cable from the Master Speaker.

KEF LSX Specifications

General

Frequency Response	54Hz - 28kHz (±3dB)
Frequency Range	49Hz - 47kHz (-6dB)
Max. SPL	102dB
Outputs	Subwoofer Output
Design	2-way bass reflex
Driver	Uni-Q driver array: HF: 19mm (0.75in.) aluminium dome, LF/MF: 115mm (4.5in.) magnesium/aluminium alloy cone
Amplifier Power	LF: 70W, HF: 30W
Wireless Features	Wi-Fi, Bluetooth 4.2
Streaming Services	Spotify Connect, Tidal
Inputs	TOSLINK Optical, 3.5mm Auxiliary
Resolution	24-bit/96kHz
Dimensions	240 x 155 x 180 mm (H x W x D)
Weight	3.6kg per speaker
Finish Options	Black, Blue, White