Orion HP-2800 Owner's Manual page 19

Tri-Mode Six Channel Configuration
Lowest recommended impedance is 2W stereo and 4W bridged mono.
●
Front and rear outputs must be set for full range operation.
●
Passive crossovers must be used on all components and frequencies must not overlap.
●
WARNING! Failure to observe these requirements may result in damage to the amplifier.
+
1CH 1CH
18
SPEAKER
BRIDGE
- + -
2CH 2CH
SPEAKER
BRIDGE
+ - +
3CH 3CH 4CH
© 2005 Directed Electronics, all rights reserved
-
4CH