Specification Sheet
Specications
KEF reserves the right, in line with continuing research and development, to amend or change specications. E&OE.
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Model LS50 Wireless
Drive units Uni-Q driver array:
HF: 25mm (1in.) vented aluminium dome
LF/MF: 130mm (5.25in.) magnesium/aluminium alloy
Frequency Range (-6dB)
Measured at 85dB/1m
40Hz – 47kHz (More bass extension)
43Hz – 47kHz (Standard)
46Hz – 47kHz (Less bass extension)
Depending on speaker settings
Frequency Response (±3dB)
Measured at 85dB/1m
45Hz – 28kHz (More bass extension)
50Hz – 28kHz (Standard)
61Hz – 28kHz (Less bass extension)
Depending on speaker settings
Max Output (SPL) 106dB
Amplifier Output Power LF: 200W HF: 30W
Inputs 2.4GHz/5GHz Dual-band Wi-Fi network
Bluetooth 4.0 with aptX
®
codec
USB Type B
TOSLINK Optical
RCA Analog Line Level Input
10/100 Mbps RJ45 Ethernet (For network and service)
Output Subwoofer output
Resolution Up to 24bit
Depending on source resolution
Sampling Rate Up to 192kHz (USB Type B)
Up to 96kHz (TOSLINK Optical)
Depending on source resolution
Wi-Fi Network Standard IEEE 802.11a/b/g/n
Wi-Fi Network Frequency Band Dual-band 2.4GHz/ 5 GHz
Bluetooth Range 10m
Bluetooth Memory 8 devices
Dimension (H x W x D) 300 x 200 x 308mm(11.8 x 7.9 x 12.1in.)
Weight Left Speaker 10.0kg (22.0lbs.)
Right Speaker 10.2kg (22.5lbs.)
Power Input 100 – 240VAC 50/60Hz
Features:
• LS50 acoustic design: featuring 5.25" Uni-Q driver, FEA designed cabinet, Constrained
Layer Damping Bracing, Elliptical Flexible Port
• KEF’s dedicated time correcting Digital Signal Processing (DSP) design
• Three levels of customizable EQ settings
• 192kHz/24bit high-resolution DAC decoding on each speaker
• 2.4GHz/5GHz Dual-band Wi-Fi connectivity
• Bluetooth 4.0 with aptX codec
• Asynchronous USB connection
• Digital input (TOSLINK)
• L&R RCA Analogue inputs
• Subwoofer output – controllable from iOS or Android app
• Dedicated apps for iOS and Android
• Touch-sensitive control panel with clear backlit display of inputs
• Available in Titanium Grey/Red, Gloss Black/Blue, Gloss White/Copper nishes,
each with color-matched remote control
In the box
• LS50 Wireless
(Right: Master speaker, Left: Slave speaker)
• 2m Power cord x 2
• 3m Cat-6 Inter-speaker cable x 1
• 2m USB cable x 1
• 1m LAN cable x 1
• Remote Control x 1
• Quick Start Guide
• Safety and Warranty