KEF LSX II LT

KEF LSX II LT

The KEF LSX II LT is a compact, high-fidelity wireless speaker system that delivers immersive stereo sound using KEF’s signature Uni-Q driver array and Music Integrity Engine. This streamlined version of the LSX II offers premium audio performance in a simple, plug-and-play format.

Key Features

• High-fidelity streaming up to 24-bit / 384 kHz.

• Powered by KEF’s W2 wireless platform for stable, high-quality playback.

• Plug-and-play connectivity with HDMI ARC, USB-C, and optical inputs.

• Multi-room support via AirPlay 2 and Chromecast.

• Compact and minimal design for flexible placement on desks, shelves, or stands.

• Uses 11th‑generation Uni-Q driver: 19 mm aluminium dome tweeter + 115 mm mid/low driver.

• Includes a 3 m proprietary interspeaker USB‑C cable for wired connection.

Specifications

• Drivers (per speaker): Uni‑Q array — 19 mm aluminium dome tweeter, 115 mm magnesium/aluminium mid/low driver.

• Frequency Range (-6 dB): 49 Hz – 47 kHz.

• Frequency Response (±3 dB): 54 Hz – 28 kHz.

• Amplifier Power (per speaker): 70 W (low/mid), 30 W (high).

• Amplifier Class: Class D (both low/mid and high).

• Maximum SPL: 102 dB @ 1 m.

• Wireless Streaming: AirPlay 2, Google Chromecast, UPnP, Bluetooth 5.0.

• Supported Streaming Services: Spotify Connect, Tidal Connect, Amazon Music, Qobuz, Deezer, QQ Music (QPlay), Internet Radio, Podcasts.

• Source Resolution:

  • Network: up to 24-bit / 384 kHz.

  • Optical / USB-C / HDMI ARC: up to 96 kHz / 24-bit PCM.

• Interspeaker Connection: Wired only; resamples all sources to 96 kHz / 24-bit PCM.

• Supported Audio Formats: DSD, FLAC, WAV, AIFF, ALAC, AAC, WMA, MP3, M4A, LPCM, Ogg Vorbis.

• Inputs: HDMI ARC, TOSLINK Optical, USB-C, proprietary interspeaker USB-C.

• Output: RCA Subwoofer pre-out.

• Dimensions (per speaker): 240 × 155 × 180 mm.

• Weight (set): 6.8 kg.

• Power Input: 100–240 VAC, 50/60 Hz.

• Power Consumption: ~200 W while operating, <2 W in standby.

• Network Standard: IEEE 802.11 a/b/g/n/ac (dual-band).