SMSL SA400 Manual page 7

Main unit back
SA4OO HIGH RES OL UTION POWE R AMPLIF IER
5
4. Bluetooth antenna
5. XLR
6. Line in
7. SW OUT
4
6 5 7
R SP EAK ERS L
SW
OUT
9
8
8. Right speaker output
9. Left speaker output
10. Power input（100V-24V AC）
17
10