a/d/s/ PH30.2 - Manual (Page 14)

speaker connections for stereo configurations
Minimum recommended impedance is 2 stereo. Speaker terminals accept up to AWG #12 speaker wire.
speaker connections for bridged configurations
Minimum recommended impedance is 4 when bridged to subwoofers and 4 when bridged to full range
speakers. Speaker terminals accept up to AWG #12 speaker wire.
13
Connect to 12V turn-on
lead from source unit
Connect to chassis of vehicle
Connect to
chassis of vehicle
70 Amp fuse
less than
18" from
battery
Factory chassis ground
fuse
70A
70A
70A