KEF LS50 Wireless II

Bring reference-level HiFi performance into a fully wireless active speaker system. The KEF LS50 Wireless II is engineered to deliver powerful, detailed, and highly accurate sound without the need for an external amplifier.

It combines KEF’s iconic LS50 acoustic design with advanced streaming and amplification technology, offering a true all-in-one high-end audio solution for modern listening environments.

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The KEF LS50 Wireless II is a high-performance active loudspeaker system designed to deliver true HiFi sound without the need for external components. It is based on the acoustic principles of the original LS50, enhanced with modern amplification and streaming capabilities.

At its core, it features KEF’s Uni-Q driver array with Metamaterial Absorption Technology (MAT), which reduces internal high-frequency resonance and improves clarity. This results in highly precise imaging, cleaner treble, and a more natural overall sound signature.

Each speaker is fully active, with dedicated amplification for low and high frequencies, carefully tuned using KEF’s Music Integrity Engine DSP. This allows for optimized performance across all volumes, ensuring consistency, control, and low distortion.

With extensive connectivity options including HDMI eARC and major wireless streaming platforms, the LS50 Wireless II integrates seamlessly into modern entertainment systems. It delivers a powerful, room-filling performance in a compact design suitable for both music and home theater use.

  • Speaker type: Active wireless bookshelf speaker system (stereo pair)

  • Driver configuration: 2-way Uni-Q system per speaker

  • Tweeter: 25 mm (1") aluminum dome with MAT™

  • Midrange / woofer: 130 mm (5.25") Uni-Q driver array

  • Amplification: 280 W LF + 100 W HF per speaker (Class D)

  • Frequency response: 45 Hz–28 kHz (±3 dB)

  • Maximum output: 108 dB (pair, peak)

  • Wireless connectivity: Wi-Fi, AirPlay 2, Chromecast, Bluetooth 4.2

  • Inputs: HDMI eARC, optical, coaxial, RCA, USB

  • DSP system: KEF Music Integrity Engine (MIE)

  • Cabinet design: Sealed, low-diffraction enclosure