1086mm86mm38mm10mm4.5. AUX INPUT & AUX OUTPUTPress M key to choose AUX1 input mode.Play control: to play/mute. When it is muted, the display willflicker.Sensitivity adjustment: long press or to select S1 or S2sensitivity adjustment. S1: input and output 500mV; S2: input1000mV, output 500mV)Volume control: short press + or - to increase or reduce thecurrent volume.In addition, eWAMPBT+ features an aux audio output (AUX OUTPUT).This stereo audio signal is identical to the powered signal, but withLINE level (0dBV). Perfect to connecting an additional audio systemlike a self-powered sub-woofer for bass reinforcement.5. MECHANICAL DIAGRAMS