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© 2005 Directed Electronics, all rights reserved
Remote Bass Operation (optional)
The remote bass port provides easy remote access to the internal gain structure of the HP
power amplifier. The optional HP-RB1 plugs into the amplifier via the 1/8" mini jack plug.
The HP-RB1 can be installed in the front of the vehicle near the driver’s position to control
the amplifier bass level.
AMPLIFIER WIRING
NOTE: Power and speaker connections to the amplifier should be made prior to final
positioning and mounting of the amplifier in the vehicle.
Power Connections for the HP-2800, and HP-4800
● Orion HP-2800 Fuse Size: 2 x 30 AMP ATC.
● Orion HP-4800 Fuse Size: 2 x 30 AMP ATC.
● Power connections accept up to 4 AWG wire.
● 4 AWG power and ground wire recommended for optimal performance.
● Connect 12V+ to the battery through fuse holder. This connection provides +12V
main power to the amplifier.
● Power wire must be fused no more than 18" from battery.
● Ground amplifier to a good chassis ground as close as possible to the amplifier.
● Connect REM terminal to remote turn-on lead from source unit. This connection
provides +12V power to turn-on the amplifier.
● Add extra ground wire between the negative terminal of the battery and the
chassis.
NOTE: The addition of a ground wire from the battery to the chassis of the vehicle
improves the ability of the battery to supply power to the amplifier. This is recom-
mended because the current delivery of the factory electrical system was designed
only to accommodate electronics supplied by the auto manufacturer.
High Level Input Harness
The high level harness is connected to the speaker terminals of the vehicle. Make sure that
the polarity is observed in connection to the right and left channel speakers. Signal ground
must be connected to a chassis ground.
WHITE (+) Left Channel
WHITE/BLACK (-) Left Channel
BLACK (-) Signal Ground
GRAY/BLACK (-) Right Channel
GRAY (+) Right Channel