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Product Support

Gravity One

Type Release Date Latest Version Download
Firmware update 5-Sept-17

BT v1.0.8.1212
• Minor bug fix

Download for Mac OS X

Download for Windows

Release Note

LS50 Wireless

Type Release Date Latest Version Download
Firmware update 15-Oct-18

Wi-Fi v2.1.0
• Add gapless support for KEF Stream App
• Fixed TIDAL unsupported format for some cases

MCU v3.0.0, DSP v0.54
• No update

Download for Mac OS X

Download for Windows

Release Note
USB Driver 08-Dec-16

v1.0

Download for Windows

LSX

Type Release Date Latest Version Download
Firmware update 19-Nov-18.

V3.0

Release Note
Quick Start Guide 19-Nov-18

V2.0

Download
Maintenance Guide for Kvadrat Fabric 19-Nov-18

V1.0

 

Download
Specifications 19-Nov-18 V1.0
 
Download

APPs for LS50 Wireless and LSX

Type Release Date Latest Version Download
APP for Android 19-Nov-18

KEF Control:
V2.1.0 for Android 4.1 or later

Download KEF Control for Android  

KEF Stream:
v1.7.0 for Android 4.1 or later

Download KEF Stream for Android
APP for iOS 19-Nov-18 KEF Control:
V2.1.0 for iOS 9.0 or later
 
Download KEF Control for iOS
KEF Stream:
v1.7.0 for iOS 8.0 or later
 
Download KEF Stream for iOS
KEF Speaker Placement Tool
Created by KEF UK engineering, the "KEF Speaker Placement Tool" is a software program* designed to assist you in the placement and layout of KEF Ci loudspeakers. Able to accommodate both 70V/100V and stereo music systems the software will graphically show room sound coverage, show speaker layout, and to provide wiring diagrams. For your convenience room layouts can be saved, printed, exported, and retrieved for future reference.
 

*KEF Speaker Placement Tool currently runs only on Windows based machines. Due to a compatibility issue between the "KEF Ci Speaker Placement Tool" and the latest version of Java, previous versions of the "KEF Ci Speaker Placement Tool" may not run. To correct this problem please uninstall the KEF Ci Software and then download and install the latest version from the link on this page.

Download Software
KASA500 Software Update Tool
KASA500 is a powerful Class-D Dual 250WPC amplifier. This DSP controlled system amplifier is optimized to deliver thunderous bass from KEF Ci subwoofers. With both line and speaker level inputs, and DSP configurable pass-through with optional high pass filters – the KASA500 is versatile and can be deployed in limitless system configurations. To allow for future flexibility KEF engineers may update the KASA500 DSP firmware to optimize performance with additional KEF speakers. The KASA500 Programmer* is a proprietary tool for updating the KASA500 firmware. NOTE: KASA500 software requires a "USB Type A Male to USB Type A Male cable" for connection between your computer and the KASA500. Download KASA500 Programmer

Download KASA500 Firmware Rev. 10.04
The latest KASA500 Firmware provides settings for KEF Ci subwoofer models Ci3160RLb-THX, Ci200QSb-THX, Ci200TRb and Ci4100QLb with THX certified performance (if applicable) in both mono and stereo mode.

Download KASA500 EQ setting dip switch chart

Download KASA500 user manual 
KASA500 manual includes installation diagrams for both home theater and music sub/satellite installations.
*KEF KASA500 Programmer currently runs only on Windows based machines.
Contact us for any questions