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Mono Input Connections
PLMRA220
Using Low Level Inputs
Using High-Level Inputs
2/4 Channel Input Connections
PLMRA420
4 CH Input Connections Using Low-Level Inputs
2 CH Input Connections Using Low-Level Inputs
from speaker terminals Wiring harness
Head Unit
To a Second
Amplier
Y Adaptors
To a Second Amplier
Head Unit
PLEASE NOTE:
If using high-level inputs, do not use the
low-level RCA inputs at the same time.
Head Unit
L/R Front
Audio Outputs
L/R Rear
Audio Outputs
Y Adaptors