Product details

DESCRIPTION

The Ultimate Wireless HiFi Speakers

The KEF LS50 Wireless II is a complete, high‑performance wireless HiFi system designed for listeners who want uncompromising sound with effortless connectivity. Powered by KEF’s 12th‑Generation Uni‑Q® driver array with Metamaterial Absorption Technology (MAT™) and the advanced Music Integrity Engine®, LS50 Wireless II delivers breathtaking clarity, precision, and depth.

With support for AirPlay 2, Google Cast, Roon Ready, Bluetooth 5.0, and all major streaming services, LS50 Wireless II lets you enjoy your music your way wirelessly, seamlessly, and in stunning high‑resolution quality. HDMI eARC, optical, coaxial, and analog inputs ensure perfect integration with TVs, consoles, and turntables.


Key Features

  • Metamaterial Absorption Technology (MAT™) Eliminates 99% of high‑frequency distortion for pure, natural sound.

  • 12th‑Generation Uni‑Q® Driver Array Acts as a single‑point source for exceptional imaging and acoustic accuracy.

  • Music Integrity Engine® (MIE) KEF’s advanced DSP platform ensures rich, full‑bodied sound with perfect timing.

  • Powerful Amplification • LF: 280 W (Class D) • HF: 100 W (Class A/B) Total system power: 760 W

  • Extensive Streaming Support AirPlay 2, Google Cast, Roon Ready, Spotify Connect, TIDAL Connect, Amazon Music, Qobuz, Deezer, Internet Radio, Podcasts.

  • High‑Resolution Playback Network streaming up to 384 kHz / 24‑bit.

  • HDMI eARC for TV Integration Perfect for movies, gaming, and home entertainment.

  • Wireless or Wired Interspeaker Connection • Wireless: 96 kHz / 24‑bit • Wired: 192 kHz / 24‑bit

  • Premium Finishes Sand Shell, Moss Green, Carbon Black, Titanium Grey, Mineral White, Crimson Red Special Edition.

SPECIFICATION

Model:
LS50 Wireless II

Drive Units (per speaker):
Uni‑Q Driver Array:
• LF: 130 mm (5.25 in.) aluminium cone
• HF: 25 mm (1 in.) vented aluminium dome with Metamaterial Absorption Technology (MAT)

Dimensions (H × W × D, per speaker):
305 × 200 × 311 mm
(12 × 7.9 × 12.2 in.)

Weight (per set):
20.1 kg (44.3 lbs)

Amplifier Output Power (per speaker):
• LF: 280 W (Class D)
• HF: 100 W (Class A/B)

Amplifier Class:
• LF: Class D
• HF: Class A/B

Maximum SPL (1 m):
108 dB

Frequency Response (±3 dB, 85 dB/1 m):
45 Hz – 28 kHz
Depends on EQ settings

Frequency Range (‑6 dB, 85 dB/1 m):
40 Hz – 47 kHz
Depends on EQ settings

Primary Speaker Inputs:
• HDMI eARC
• TOSLINK Optical
• Digital Coaxial
• Analog 3.5 mm 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 96 kHz / 24‑bit PCM
Wired: all sources resampled to 192 kHz / 24‑bit PCM

Wireless Streaming Features:
• AirPlay 2
• Google Cast
• Roon Ready
• UPnP Compatible
• Bluetooth 5.0
• Plays with Audirvāna

Supported Streaming Services:
• Spotify (Spotify Connect)
• TIDAL (TIDAL Connect)
• Amazon Music
• Qobuz
• Deezer
• QQ Music (via QPlay, coming soon)
• Internet Radio
• Podcasts
Service availability varies by region

Supported Formats (All Inputs):
MP3, M4A, AAC, FLAC, WAV, AIFF, ALAC, WMA, LPCM, Ogg Vorbis

Supported Formats (Network):
• MQA
• DSF: DSD64, DSD128
• DFF: DSD64

Source Resolution:
• Network: up to 384 kHz / 24‑bit
• Optical: up to 96 kHz / 24‑bit
• Coaxial: up to 192 kHz / 24‑bit
• HDMI eARC: up to 192 kHz / 24‑bit
Depends on source resolution

Wi‑Fi Network Standard:
IEEE 802.11a/b/g/n/ac (IPv4, IPv6)

Wi‑Fi Frequency Bands:
Dual‑band 2.4 GHz / 5 GHz

Home Automation Compatibility:
Elan, RTi, Crestron Home, Savant, Control4, URC

Power Input:
100 – 240 V AC, 50/60 Hz

Power Consumption:
• 200 W (operating)
• <2.0 W (standby)

Remarks:

Design. Sound. Smart Living