KEF LSX II Active Standmount Speaker

Welcome to a world of High-Fidelity sound that is true enough to touch. The KEF LSX II Active Standmount Speaker is an all-in-one speaker system in its second generation: upgraded to deliver a more balanced sound in higher resolution with all-inclusive connectivity. Simply stream anything including AirPlay 2, Chromecast, Spotify and Tidal, or seamlessly connect the LSX II to your laptop, TV and many other devices.

Specifications

Drive units (per speaker):

Uni-Q driver array:
HF: 19mm (0.75in.) aluminium dome
LF/MF: 115mm (4.5in.) magnesium/aluminium alloy cone
Frequency range (-6dB) measured at 85dB/1m: 49Hz – 47kHz *Depends on EQ settings
Frequency response (±3dB) measured at 85dB/1m: 54Hz – 28kHz  *Depends on EQ settings

Amplifier output power (per speaker):
LF: 70W
HF: 30W

Amplifier class (per speaker):
LF: Class D
HF: Class D
Max SPL measured at 1m: 102 dB

Wireless streaming features:
AirPlay 2
Google Chromecast
Roon Ready
Bluetooth 4.2
Streaming services
Spotify via Spotify Connect
Tidal via Tidal Connect
Amazon Music
Qobuz
Deezer
QQ Music via QPlay
Internet Radio
Podcast
*Depends on services availability in different countries

Source resolution:
Network up to 384kHz/24bit
Optical up to 96kHz/24bit
USB Type C up to 192kHz/24bit
HDMI up to 1.411Mbps PCM
*Depends on source resolution

Interspeaker connection:
Wireless: all sources resampled to 48kHz/24bit PCM
Wired: all sources resampled to 96kHz/24bit PCM

Supported format (network): MQA^, DSD, FLAC, WAV, AIFF, ALAC, AAC, WMA, MP3, M4A, LPCM and Ogg Vorbis
Home Automation System: Elan, RTi, Crestron Home, Savant, Control4
Dimensions (HWD per speaker): 240 × 155 × 180 mm
Weight (per set): 7.2kg
Weight (per set): 7.2kg)
Power input: 100 – 240VAC 50/60Hz
Power consumption: 200W (operating power), 2W(standby power)

Inputs:
Primary speaker
HDMI ARC
TOSLINK Optical
USB Type C
Analog 3.5mm Auxiliary
RJ45 Ethernet (network)
​​​​​​​RJ45 Ethernet (interspeaker)Secondary speaker:
RJ45 Ethernet (interspeaker)

Outputs:
RCA Subwoofer output
Wi-Fi network standard:
IEEE 802.11a/b/g/n/ac
IPv4, IPv6
Wi-Fi network frequency band: Dual-band 2.4 GHz / 5 GHz