REAR View of Retro Classic RC-900C
Internal
Amplifier
Heatsink
Threaded
mount
for
metal
backstrap
(included)
used
for
rear
support
of
main
body'·····
External
Antenna
Input
4
RCA
outputs
for
adding
external
amplification
Female ISO
wire
harness
connector
w/1
male
power/ground
harness
& 1 male
speaker
lead
harness
