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Table of ContentsSetting UpWi-Fi StreamingUsing KEF Connect AppFAQ and Troubleshooting

18.4 IR Command Codes

LSX II works with universal programmable remote control provided that the remote

control manufacturers have implemented KEF IR command codes in their remote

controls.

The following table lists the command codes required.

Code Format:

NEC

Factory Code:

0x01

Functions Function codes

1 Power on/off toggle 0x40

2 Mute/un-mute toggle 0x20

3 Play/Pause 0x18

4 Forward 0x52

5 Next source 0x58

6 Volume up 0x60

7 Volume down 0xA0

8 Backward 0xD2

9 Power ON 0x38

10 Power OFF 0x3A

11 Mute 0x48

12 Un-mute 0x4A

13 Source: Wi-Fi 0x30

14 Source: Bluetooth 0x2A

15 Bluetooth pairing 0x98

16 Source: AUX 0x02

17 Source: Optical 0x0A

18 Preset volume (30 %) 0x78

19 Source: HDMI 0x88 / 0x8A

20 Source: USB 0x1A

21 Previous source 0xD0

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KEF LSX II Specifications

General

Design	2-way bass reflex
Dimensions	240 x 155 x 180 mm (9.5 x 6.1 x 7.1 in.)
Drivers	0.75 inch tweeter
Amplifier Power	LF: 70W Class D, HF: 30W Class D
Frequency Response	49Hz - 47kHz (-6dB)
Connectivity	HDMI ARC, TOSLINK Optical, 3.5mm Auxiliary Input, USB-C, Ethernet, Wireless: Dual-band 2.4GHz/5GHz Wi-Fi; Bluetooth 5.0
Bluetooth Codec	SBC, AAC
Streaming Services	Spotify Connect, Tidal Connect, Amazon Music, Qobuz, Deezer
Resolution	24-bit/192kHz
Weight	3.6kg (8.0lbs) Master Speaker, 3.6kg (8.0lbs) Satellite Speaker
Finish Options	Mineral White, Lava Red, Carbon Black