Audio Zone Amplifier 100W Operation Manual© MuxLab Inc. 2016 13 BASS: bass level ranges from 0 to 10 TREBLE: treble level ranges from 0 to 105.2 IR ControlConnect an IR receiver (5V, without carrier) to the IR Sensor port on the rear panel. Thisallows the user to control the amplifier by the included IR remote (see below):Figure 4- 2 IR RemoteInput SelectionUnmute MuteVolume ControlIncluding LINE, BASSand TREBLE volumeadjustment