LS50 Wireless II, Wireless HiFi Speakers, Black

The Ultimate Wireless HiFi Speakers. 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, Chromecast and more, plus wired connections for your TV, games console and turntable. Great sound, no strings attached.

Features

• Play all major music services and supports all major audio formats
• Wireless both from source and between the speakers
• Comprehensive applications and connectivity
• Intuitive on-boarding with user-centred features
• Personalised listening experience via KEF Connect App
• 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
• Optimised cabinet design for best acoustic performance
• With mounting inserts to secure on KEF S2 Floor Stand (available as separate item)

Specifications

Model: LS50 Wireless II

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

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

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

Amplifier Output Power (Per Speaker)

• LF: 280W
• HF: 100W

Amplifier Class (Per Speaker)

• LF: Class D
• HF: Class AB

Max SPL Measured at 1m: 108 dB

Wireless Streaming Features

• AirPlay 2
• Google Chromecast
• ROON Ready
• UPnP Compatible
• Bluetooth 5.0
• Plays with Audirvāna

Source Resolution (*Depends on source resolution)

• Network up to 384kHz/24bit Optical up to 96kHz/24bit
• Coaxial up to 192kHz/24bit
• HDMI up to 192kHz/24bit

Interspeaker Connection

• Wireless: all sources resampled to 96kHz/24bit PCM
• Wired: all sources resampled to 192kHz/24bit PCM

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

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

Supported Format (Network)

• MQA
• DSF: DSD64, DSD128
• DFF: DSD64

Dimensions (HWD per Speaker): 305 x 200 x 311 mm (12 x 7.9 x 12.2 in.)

Power Input: 100 – 240VAC 50/60Hz

Power Consumption: 

• 200W (operating power)
• <2.0W (standby power)

Streaming Services (*Depends on services availability in different countries)

• Spotify via Spotify Connect
• Tidal via Tidal Connect
• Amazon Music
• Qobuz
• Deezer
• QQ Music via QPlay (coming soon)
• Internet Radio
• Podcast

Primary Speaker Inputs

• HDMI eARC
• TOSLINK Optical
• Digital Coaxial
• Analog 3.5mm Auxiliary
• USB Type A (service)
• RJ45 Ethernet (network)
• RJ45 Ethernet (interspeaker)

Output: RCA Subwoofer output

Wi-Fi Network Frequency Band: Dual-band 2.4 GHz / 5 GHz

Secondary Speaker Inputs

• USB Type A (service)
• RJ45 Ethernet (interspeaker)

Output: RCA Subwoofer output