
Top panel
Download the LG XBOOM App to your device. 
(Android only)
For more information, download the online owner’s 
manual. http://www.lg.com 
LG Sound Sync (Wireless)
Controller App
c
a
e
d
b
aDisplay window
b1(Standby) 
Turns the power on or off.
 LIGHTING 
Selects the lighting mode.
 3TWIN 
Connects two speakers for TWIN mode in WIRELESS PARTY 
LINK.
 SOUND EFFECT / BASS BLAST (or BASS BLAST+)
- Chooses sound impressions. 
- Press and hold to select BASS (or BASS+) effect directly.
cAUTO DJ 
Selects the AUTO DJ mode. 
 N(Play/Pause) 
Starts or pauses playback.
 C/V(Skip/Search) 
- Skips backward or forward. 
- Searches for a section within a file. 
dMIC ECHO / DEMO 
- Selects ECHO mode. 
- In power off status, if you press MIC ECHO / DEMO, show 
DEMO mode.
 VOCAL EFFECTS 
Selects various vocal effects mode.
 KEY CHANGER 
Changes the key to suit your vocal range with C/V
(Skip/Search) button.
 VOICE CANCELLER 
You can reduce the vocal tones during music playback from 
various input sources.
eF (Function) 
- Selects the function and input source. 
-  Press and hold to adjust delay time when using PARTY LINK 
with AUX.
 MIC (Microphone) VOL (Volume) 
Adjusts microphone volume.
 +/- (Volume) 
Adjusts speaker and microphone volume.
Rear panel
aMIC (Microphone) jack
bAUX IN / OUT (L/R)
cUSB port
dAC IN socket
Vertical Horizon
How to place the unit 
abcd
RL4-NK.DPHLLLK_SIM_ENG_MFL71281412.indd 3-4 2019-03-13  2:33:11