The KEF LS50 Wireless II is a complete high-fidelity active speaker system designed for listeners who want premium, accurate sound in a modern all-in-one package. With advanced driver technology, powerful internal amplification, and comprehensive streaming support, it delivers immersive, detailed audio without requiring any external equipment.
Key Features
Metamaterial Absorption Technology (MAT™) A highly advanced acoustic absorption structure eliminates up to 99% of unwanted sound behind the driver, resulting in exceptional clarity and reduced distortion.
12th-Generation Uni-Q Driver Array The concentric driver design places the tweeter at the acoustic center of the mid/bass cone for precise imaging, broad dispersion, and natural, room-filling sound.
Powerful Built-In Amplification Each speaker includes dedicated amplifiers:
280 W Class D for the mid/bass driver
100 W Class A/B for the tweeter Capable of delivering a maximum SPL of 108 dB.
High-Resolution Streaming Support Handles high-res formats up to 384 kHz / 24-bit, DSD64/128, and MQA, ensuring studio-quality playback.
Versatile Connectivity Supports AirPlay 2, Chromecast, Bluetooth, and streaming via the KEF Connect app. Wired inputs include HDMI eARC, optical, coaxial, 3.5 mm analog, and Ethernet.
Flexible Interspeaker Setup Use wireless interspeaker connection or wired mode for maximum resolution at 24-bit / 192 kHz.
Customizable Listening via App The KEF Connect app provides EQ adjustment, room tuning, firmware updates, and multi-room streaming capabilities.
Smart Home Ready Compatible with major home automation systems for seamless integration.
Sleek Modern Design Acoustically optimized cabinet with curved baffle, clean lines, and a minimalist control layout.
Specifications
Drivers:
130 mm aluminium mid/bass driver
25 mm aluminium dome tweeter with MAT™
Frequency Range (-6 dB): 40 Hz – 47 kHz
Frequency Response (±3 dB): 45 Hz – 28 kHz
Amplifier Power (per speaker):
280 W (LF)
100 W (HF)
Maximum SPL: 108 dB
Supported Formats: PCM up to 384 kHz, MQA, DSD64/128
