Infinity REF-704a Owner's Manual page 8

• The REF-4555a features Front L+, L-, R+, and R- terminals; Rear L+, L-, R+, and R- terminals; and Sub + and - terminals.
° 5-channel operation: Connect the front left speaker to the Front L+ and L- terminals, and the front right speaker to the Front
R+ and R- terminals. Connect the rear left speaker to the Rear L+ and L- terminals, and the rear right speaker to the Rear R+
and R- terminals. Connect the subwoofer's positive (+) lead to the + terminal, and the negative (-) lead to the - terminal.
Left front speaker
° 3-channel (front and rear bridged) operation: Connect one speaker's + lead to the Front L+ terminal, and the - lead to the Front
R- terminal. Connect the other speaker's + lead to the Rear L+ terminal, and the - lead to the Rear R- terminal. Connect the
subwoofer's positive (+) lead to the + terminal, and the negative (-) lead to the – terminal.
Front speaker
Rear speaker
5
Right front speaker
Left rear speaker Right rear speaker
4-ohm subwoofer
4-ohm subwoofer