KEF LSX Owner's Manual

2
Contents
Section 1 – Introduction Pg 4
About This Manual
Accessories
Features (5)
Section 2 – First Time Setup Pg 6
Opening the Box
Unpacking the Product
Remote Control (7)
Section 3 – Controls and Connections Pg 8
Master Speaker
Slave Speaker (9)
Uni-Q Driver (9)
Section 4 – Audio Specifications Pg 10
Amplifiers
Music Integrity Engine (DSP)
Ways to Connect Introduction
Section 5 – KEF Control App Pg 11
KEF Control app
Cable Mode (12)
Inverse L/R Speaker (12)
Standby Mode (12)
Volume Settings (13)
Volume Control Sensitivity (13)
Volume Limitation (13)
Speaker Information (13)
Send Logs & Information (13)
Section 6 – KEF Stream App Pg 14
KEF Stream app
Media Servers
Section 7 – Wi-Fi Pg 15
Wi-Fi Introduction
Router Requirements
Section 8 – Bluetooth Pg 16
Connection and Operation
Section 9 – TOSLINK & Optical Pg 17
Connection and Operation
Connecting USB device to LSX
Section 10 – AUX Inputs & Analog Pg 17
Required cable
Phono-stage connection
Section 11 – Digital Signal Processor Pg 18
Music Integrity Engine™
BASIC Sound Settings (19)
EXPERT Sound Settings (19)
External Subwoofer Operation and Control (20)
Section 12 – TIDAL Pg 21
Connection and Operation
Section 13 – Spotify Connect Pg 21
Connection and Operation
Section 14 – Roon Pg 22
Connection and Operation

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