CH—INPUT: CH1/CH2 OUTPUT: CH1/CH2/CH3/CH4 4CH—INPUT: CH1/CH2/CH3/CH4 OUTPUT CH1/CH2/CH3/CH4 2CH—INPUT: CH1/CH2 OUTPUT CH1/CH2/CH3/CH4/CH5 4CH—INPUT: CH1/CH2/CH3/CH4 OUTPUT CH1/CH2/CH3/CH4/CH5 5CH—INPUT: CH1/CH2/CH3/CH4/CH5 OUTPUT CH1/CH2/CH3/CH4/CH5 SPEAKER L 50Hz 250Hz 50Hz 250Hz DUPE DUPE (2CH) ( 5CH) (4CH) BASS BOOST 20Hz 50 (1CH) 250Hz 4000Hz (2CH/5CH) 50 10Hz 4000Hz 500Hz 50Hz 4000Hz 500Hz 50Hz 4000Hz 250Hz (4CH) DUPE 30 250Hz 50 250Hz 50 BASS BOOST 4000Hz 20Hz 4000Hz