MAX power MPD152L - Input Converter and Connectors; Audio Output Controls; Indicators and Power

14.Switch for MP3 player and LINE input convertor
15.1/4” Connector for MIC1 input
16.1/4” Connector for MIC2 input
17. Volume for MP3/LINE music output for the speaker box
18. MASTER Control:use the function to adjust volume of
output at all levels.
19. TREBLE: Use the function to adjust the high effect
20. BASS : Use the function to adjust the low effect
21.Power indicator
22.Overload indicator:If the red LED ON constantly,low
down the general volume control.
23.Signal input: RCA connector it can be connect external
audio equipment (CD, tape recorder, etc.).
24.Power Port:Connect with power supply.
25.Switch of Power:Turn ON/OFF the speaker box.