KEF LSX User Manual

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Table of ContentsSetting Up the LSXUsing the KEF Control AppPlayback and StreamingFAQ and Troubleshooting
5.2 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
button
Re-establishes the connection between the Master and
Slave Speakers if the connection is lost.
R Factory reset button
(inside the small hole)
Resets the speakers to the factory defaults.
O Optical input port Plays audio input from a source (e.g. television*, game
console) through an optical cable (not provided).
X Auxiliary input jack Plays audio input from a source (e.g. phono stage)
through a 3.5 mm audio cable (not provided).
S Subwoofer output jack Connects a subwoofer with the speakers through an
RCA cable (not provided).
N Network port Connects the speakers to a router with a LAN cable
(not provided).

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