LSX II

LSX II by KEF

High-Fidelity Sound:
LSX II provides outstanding sound in a compact size, supporting streaming up to 24bit/384kHz for audiophile-grade performance.

Uni-Q Driver Array (Per Speaker):

• HF: 19mm (0.75in.) aluminum dome for precise highs.
• LF/MF: 115mm (4.5in.) magnesium/aluminum alloy cone for detailed midrange and bass.

Frequency Range (-6dB):
49Hz – 47kHz (measured at 85dB/1m, depending on EQ settings).

Frequency Response (±3dB):
54Hz – 28kHz (measured at 85dB/1m, depending on EQ settings).

Amplifier Output Power (Per Speaker):

• LF: 70W
• HF: 30W
• Both are Class D amplifiers.

Maximum SPL:
102dB (measured at 1m), delivering powerful, room-filling sound.

Wireless Streaming Features:

• AirPlay 2
• Google Chromecast
• Roon Ready*
• UPnP Compatible
• Bluetooth 5.0
• Works with Audirvāna
  (*Service availability may vary by region.)

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

Source Resolution:

• Network: Supports high-resolution streaming up to 384kHz/24bit for an exceptional listening experience.
• Optical: Delivers clear audio at resolutions up to 96kHz/24bit, ideal for connecting to various devices.
• USB Type C: Capable of playing back audio at up to 192kHz/24bit for detailed sound reproduction.
• HDMI ARC: Provides PCM audio transmission up to 1.411Mbps, ensuring rich and immersive sound.

Interspeaker Connection:

• Wireless: Resampled to 48kHz/24bit PCM.
• Wired: Resampled to 96kHz/24bit PCM.

Supported Formats (Network):
MQA, DSD, FLAC, WAV, AIFF, ALAC, AAC, WMA, MP3, M4A, LPCM, Ogg Vorbis.

Home Automation Compatibility:
Compatible with Elan, RTi, Crestron Home, Savant, Control4.

Dimensions (HWD Per Speaker):
240 × 155 × 180 mm (9.5 × 6.1 × 7.1 in.)

Weight (Per Set):
7.2kg (15.6 lbs)

Power Input:
100 – 240VAC 50/60Hz

Power Consumption:

• 200W (operating)
• <2.0W (standby)

Inputs (Primary Speaker):

• HDMI ARC
• TOSLINK Optical
• USB Type C
• 3.5mm Analog Auxiliary
• RJ45 Ethernet (network and interspeaker)

Outputs:

• RCA Subwoofer output

Wi-Fi Network:
Dual-band 2.4GHz / 5GHz (IEEE 802.11a/b/g/n/ac, IPv4, IPv6)

What’s in the Box:

• LSX II speakers (pair)
• Power cords
• Interspeaker cable
• Remote control
• Quick Start Guide, warranty, and safety information