KEF LSX II LTDrive 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
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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 , Chromecast , UPnP Compatible , Bluetooth 5.0
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 96kHz/24bit , HDMI up to 48kHz/ 16bit*Depends on source resolution
Interspeaker connection: Wired: all sources resampled to 96kHz/24bit PCM
Supported format (network): DSD, FLAC, WAV, AIFF, ALAC, AAC, WMA, MP3, M4A, LPCM and Ogg Vorbis
Dimensions (HxWxD per speaker): 240 × 155 × 180 mm (9.5 × 6.1 × 7.1 in.)
Weight (per set): 8kg (15.0lbs)
Power input: 100 – 240VAC 50/60Hz
Power consumption: 200W (operating power) , <2.0W (standby power)
Inputs: HDMI ARC, TOSLINK Optical, USB Type C, RJ45 Ethernet (network), USB Type C (interspeaker)*