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TWO CHANNEL POWER AMPLIFIER WITH AUTOMATIC SPEAKER SWITCHING

AB50-X2

PREPARING FOR INSTALLATION:

The local TV cables, Multi-Zone Receiver cables and Speaker cables must 

reach the proposed location of the AB50-X2. Mark the cables with Wire 

labels, describing where the cables originate from, rather than where they 

will terminate. Locate a local un-switched AC outlet to be used to power the

AB50-X2.

INSTALLATION:

1. Select an appropriate location for the AB50-X2.

2. Run all necessary wiring to the AB50-X2. Label the wires for future

reference.

3. Strip 1/4" of insulation from the end of each wire. Tightly twist the end of

each wire until no frayed ends remain.

4. Locate the snap and lock connectors and remove them if they are plugged

in.

5. Use a small flathead screwdriver or your thumb to raise the locking tabs,

exposing the holes on the connector.

6. Insert each wire into the appropriate hole and snap down the locking tabs. 

7. Insert the smooth side of the connector plug into the smooth side of the

AB50-X2 socket.

8. Connect the variable line level output of the TV to the RCA terminals 

labeled INPUT.

9. Connect the TV power cord to the terminal labeled CURRENT SENSING 

AC OUTLET.

10. Connect the Multi-Zone Receiver wires to the terminal labeled SPEAKER A

IN.

11. Connect the Speaker wires to the terminal labeled SPEAKER A OUT.

12. Plug the AB50-X2 power cord into the un-switched AC outlet and adjust the

current sensing, using the sensitivity adjustment screw located on the

bottom of the unit.

13. Mount AB50-X2 to determined location.

AB50-X2 INSTALLATION DIAGRAM

AB50-X2

Multi-Zone Receiver

Right/Left

Right

Left

Speakers

AB50-X2

TV Variable

Line Out

TV-Power

Cord

To Current Sensing Outlet

JOBSITE SYSTEMS

12331 SW 130 STREET
MIAMI, FL 33186

P

866.4JB.SITE (866.452.7483)  

F

305.238.0185  

WWW.JOBSITESYSTEMS.COM

©2004 Niles Audio Corporation. JobSite,
Pure Custom and Niles are registered
trademarks of Niles Audio Corporation 
and the JobSite Logo is a trademark of
Niles Audio Corporation. JSAB50X2PDF

Specifications subject to change without notice.

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