Owner's Manual

Table of ContentsSetting Up the LSXUsing the KEF Control AppPlayback and StreamingFAQ and Troubleshooting

13. Specifications

Model LSX

Type Wireless speaker

Drive units Uni-Q driver array:

HF: 19 mm (0.75 in.) aluminium dome

LF/MF: 115 mm (4.5 in.) magnesium/aluminium alloy cone

Frequency range (-6 dB)

measured at 85 dB/1 m

49 Hz–47 kHz (More bass extension)

52 Hz–47 kHz (Standard)

55 Hz–47 kHz (Less bass extension)

Depending on speaker settings

Frequency response (±3 dB)

measured at 85 dB/1 m

54 Hz–28 kHz (More bass extension)

59 Hz–28 kHz (Standard)

69 Hz–28 kHz (Less bass extension)

Depending on speaker settings

Power input 100–240 VAC 50/60 Hz

Amplifier output power LF: 70 W HF: 30 W

Max SPL 102 dB

Dimension (H × W × D) 240 × 155 × 180 mm (9.5 × 6.1 × 7.1 in.)

Resolution Support up to 192 kHz / 24 bit

Depending on source resolution

Master and Slave Speaker

connection:

Wireless: Propriety 2.4 GHz

Wired: Proprietary RJ45 connection

Depending on connection settings

Master Speaker Slave Speaker

Inputs 2.4 GHz/5 GHz Dual-band Wi-Fi

network

Bluetooth 4.2 with aptX® codec

TOSLINK Optical

3.5 mm Auxiliary Input

RJ45 10/100 Mbps Ethernet (for

network)

Not applicable

Output Subwoofer output

5 V, 2 A DC output

Not applicable

Wi-Fi network standard IEEE 802.11a/b/g/n Not applicable