JBL VMA160 Operation Manual page 26

VMA160, VMA1120 & VMA1240
Input 1 Mic/Line
[1/4" Bal]
+27V
Input 2 Mic/Line [Bal]
Input 2 PTT
Input 3 Mic/Line
[1/4" Bal]
+27V
Input 4 Mic/Line [Bal]
Summed RCA
Music Line
[Summed RCA]
BT/USB
Hi-Z Switch
TONE
CONTROL
MASTER VOLUME
26
VOX
SPI CLIP
HPF VCA
REMOTE VOLUME
Feedback
CRYSTAL
SDRAM
MCU
FLASH
BT MODULE
Attenuation
(VOX/PTT)
POWER
AMP
DAC
BT/USB
MCU SECTION
CH1_PRIORITY
100V
OUTPUT
70V
TRANSFORMER
COMMON
-
+