Extron Electronics MPA 152 Plus User Guide - Manual (Page 14)

To regulate multiple amplifiers with a single volume controller, follow these instructions:
1. Attach all three pins of the volume controller to the corresponding pins on the first
MPA 152 Plus unit only:
• Ground ( ) to ground (G)
• Vol/Mute to C
• 10 V to V.
2. Use jumper wires to connect the C (Volume and Mute) pins of the first amplifier and
each successive amplifier.
3. Use jumper wires to connect the ground pins of the first amplifier and each successive
amplifier.
V C G
10V 50mA
V C G
10V 50mA
V C G
10V 50mA
10V
VOL/MUTE Extron
VCM 100 AAP
Extron
MPA 152 Plus
Daisy Chain
Figure 6. Regulating Multiple Amplifiers with a Single Volume Controller
NOTE: The 10V pin of the volume controller connects to the first MPA 152 Plus
only. There are no jumper wires linking it to subsequent amplifiers.
MPA 152 Plus • Panels and Cabling 8