LS50 Wireless II Crimson Red Special Edition

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LS50 Wireless II Crimson Red Special Edition

Name: LS50 Wireless II Crimson Red Special Edition
Brand: KEF
SKU: KEF-LS50-WIRELESS-II-CRIMSON-RED-SPECIAL-EDITION

Model SP4017KA

LS50 Wireless II is more than a high-performance loudspeaker; it’s the perfect all-in-one speaker system, streaming from any source thanks to wireless compatibility with AirPlay 2, Google Cast and more, plus wired connections for your TV, games console and turntable. Great sound, no strings attached.

At a glance

All specifications

Dimensions (W × H × D): 305 × 200 × 311 mm
Weight: 20.1 kg
Driver size: 130 mm
Model: LS50 Wireless II
Amplifier Class: LF: Class D HF: Class AB
Max SPL Measured at 1m: 108 dB

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Features4
Films10
Awards and press5

Overview

The Ultimate Wireless HiFi Speakers

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In the box

LS50 Wireless II
Remote control
Interspeaker Cable
Power cord
Quick Start Guide, Warranty

Features

All the music, all the time
Play all major music services and supports all major audio formats Wireless both from source and between the speakers Comprehensive applications and connectivity
Let you be you
Intuitive on-boarding with user-centred features Personalised listening experience via KEF Connect App
Most accurate,immersive sound.
Metamaterial Absorption Technology for pure, natural sound 12th generation Uni-Q with MAT for exceptional acoustic accuracy Music Integrity Engine for rich, full-bodied sound System power: LF 280W class D, HF 100W class A/B, Max. SPL: 108dB
Attention to every detail
Optimised cabinet design for best acoustic performance Available in 4 finishes With mounting inserts to secure on KEF S2 Floor Stand (available as separate item)

Specifications

Dimensions (W × H × D): 305 × 200 × 311 mm; Width, height and depth, without cables.
Weight: 20.1 kg; Per unit, out of the box.
Driver size: 130 mm
Model code: KEF-LS50-WIRELESS-II-CRIMSON-RED-SPECIAL-EDITION; Quote it when you ask a specialist.

Specifications

Model: LS50 Wireless II
Dimensions (HWD per Speaker): 305 x 200 x 311 mm (12 x 7.9 x 12.2 in.)
Weight (per set): 20.1kg (44.3lbs)
Drive Units: Uni-Q Driver Array: LF: 130 mm (5.25 in.) aluminium cone HF: 25 mm (1 in.) vented aluminium dome with Metamaterial Absorption Technology
Amplifier Class: LF: Class D HF: Class AB
Max SPL Measured at 1m: 108 dB
Frequency Response (±3dB) Measured at 85dB/1m: 45 Hz – 28 kHz *Depends on EQ settings
Frequency Range (-6dB) Measured at 85dB/1m: 40 Hz – 47 kHz *Depends on EQ settings
Home Automation System: Elan, RTi, Crestron Home, Savant, Control4, URC
Primary Speaker Inputs: HDMI eARC TOSLINK Optical Digital Coaxial Analog 3.5mm Auxiliary USB Type A (service) RJ45 Ethernet (network) RJ45 Ethernet (interspeaker)
Secondary Speaker Inputs: USB Type A (service) RJ45 Ethernet (interspeaker)
Output: RCA Subwoofer output
Interspeaker Connection: Wireless: all sources resampled to 96kHz/24bit PCM Wired: all sources resampled to 192kHz/24bit PCM
Wireless Streaming Features: AirPlay 2 Google Cast ROON Ready UPnP Compatible Bluetooth 5.0 Plays with Audirvāna
Streaming Services: Spotify via Spotify Connect Tidal via Tidal Connect Amazon Music Qobuz Deezer QQ Music via QPlay (coming soon) Internet Radio Podcast *Depends on services availability in different countries
Supported Format (All Inputs): MP3, M4A, AAC, FLAC, WAV, AIFF, ALAC, WMA, LPCM and Ogg Vorbis
Source Resolution: Network up to 384kHz/24bit Optical up to 96kHz/24bit Coaxial up to 192kHz/24bit HDMI up to 192kHz/24bit *Depends on source resolution
Supported Format (Network): MQA DSF: DSD64, DSD128 DFF: DSD64
Wi-Fi Network Standard: IEEE 802.11a/b/g/n/ac IPv4, IPv6
Wi-Fi Network Frequency Band: Dual-band 2.4 GHz / 5 GHz
Amplifier Output Power (Per Speaker): LF: 280W HF: 100W
Power Input: 100 – 240VAC 50/60Hz
Power Consumption: 200W (operating power) <2.0W (standby power)

Films

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Awards and press

“As befits a device that is designed to be used as a standalone system, the connectivity on the KEF is extensive.” - AVForums.com - July 2021
AVFORUMS - HIGHLY RECOMMENDED AWARD
“It’s a brilliant bit of kit and a worthy award winner.” - AVForums.com, Editor's Choice Awards 2021
AVFORUMS.COM EDITOR'S CHOICE - BEST HIGH-END WIRELESS SPEAKER, 2021
“These sequels are among the most thrilling speaker systems we’ve heard.” - What Hi-Fi?, October 2021
WHAT HI-FI? AWARDS 2021 - 'PRODUCT OF THE YEAR'
“A talented and impressively flexible system that delivers superb performance across its many features.” - Hi-Fi Choice, Iss. 479, Sept. 2021
HIFI CHOICE - RECOMMENDED
“These sequels are among the most thrilling speaker systems we’ve heard.” - September 2020
5 STAR REVIEW - WHAT HI-FI? SOUND AND VISION