81 BaSS Optimise the sound based on your tastes.2 VOLUMe -/+ Controls the volume level.3 PLay/PaUSe Play or pause a music file.4 gaLaXy DOCK Provides a 5-pin dock for Samsung Galaxy devices.5 StanDBy LeD The standby LED lights up in standby mode.The standby LED turns off when the power of the unit turned on.6 reMOte COntrOLSenSOrThe remote control sensor which receives signals from the remotecontrol.7 DC 12V Connect the unit's DC adapter to this jack.8 aUX in Connect to the Analog output of an external device.▪ When you turn on this unit, there will be a 4 to 5 second delay before it produces sound.▪ This unit can connect to mobile devices with high audio output levels. When you connect thisunit to external devices with high output levels, it may lower the audio output to protect the ampand speakers.▪ When disconnecting the power cable from the wall outlet, hold the plug.Do not pull the cable.