KEF
LSX RED (pair)
Wirelessly connected speakers with WiFi and Bluetooth.
Ease of use and wireless connectivity. The emotion and the details of the real high resolution stereo. And all this from a compact system designed to fit almost anywhere. LSX is the perfect speaker system for the way we listen to music today.
AUDIO
2-way 2.0-way 2.0-way audiophile active digital speaker with 11.4 cm Uni-Q speaker set.
Acoustically optimized enclosure with damping by constrained layers.
KEF Music Integrity Engine ™ time and phase correction DSP algorithm
Active system with four amplifiers (2 x 30W + 2 x 70W class D)
Customizable equalization settings (via KEF Control app)
CONNECTIVITY
Apple AirPlay 2 (early 2019)
Spotify Connect (November 2018)
TIDAL
Bluetooth® 4.2 with Qualcomm aptX ™
Optical input (TOSLINK)
3.5mm auxiliary input
DLNA compatible
Roon compatible
Subwoofer output
Dedicated applications for iOS and Android
Specifications
TYPE
Wireless speaker
DIMENSION (H X W X D)
240 x 155 x 180 mm (9.5 x 6.1 x 7.1 in)
WEIGHT
3.6 kg (7.9lbs)
3.5kg (7.7lbs)
WI-FI NETWORK STANDARD & WI-FI NETWORK FREQUENCY BAND
IEEE 802.11a / b / g / n
2.4 GHz / 5 GHz dual-band
SPEAKERS
Uni-Q set:
Tweeter: 19mm aluminum dome
Mediums / Basses: 115mm magnesium / aluminum alloy cone
AMPLIFIER OUTPUT POWER
LF: 70W HF: 30W
BLUETOOTH RANGE & BLUETOOTH MEMORY
10m
8 devices
RESOLUTIONS
Entrance :
Up to 192kHz / 24bit
Exit:
Wireless mode: 48kHz / 24bit
Cable mode: 96 kHz / 24 bit
MAXIMUM OUTPUT LEVEL (SPL)
102dB
MASTER AND SLAVE SPEAKER CONNECTION
Wireless: 2.4GHz
Wired: Ethernet RJ45
According to connection parameters
FREQUENCY RANGE (-6 DB)
Measured at 85 dB / 1 m
49 Hz - 47 kHz (More bass extension)
52 Hz - 47 kHz (Standard)
55 Hz - 47 kHz (Less bass extension)
Depending on the speaker settings
FREQUENCY RESPONSE (± 3 DB)
Measured at 85 dB / 1 m
54 Hz - 28 kHz (More bass extension)
59 Hz - 28 kHz (Standard)
69 Hz - 28 kHz (Less bass extension)
Depending on the speaker settings
BLUETOOTH FREQUENCY & BLUETOOTH POWER
2.402 GHz - 2.48 GHz
2.5 mW (Class 2 Bluetooth device)
STARTERS
2.4 GHz / 5 GHz dual-band Wi-Fi network
Bluetooth 4.2 with aptX® codec
TOSLINK optics
3.5mm auxiliary input
Ethernet RJ45 (for network)
EXIT
Subwoofer
5V2A DC
FOOD
100 - 240 V AC 50/60 Hz