JBL GTO-3EZ Owner'S Manual Download Page 3

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mOunting the amplifier

nOte:

 You may find it more convenient to make all of the connections to the amplifier before you permanently mount 

it to the vehicle.

Before mounting the amplifier you must remove the two end caps to expose the mounting holes and the connections. 

Using a Phillips screwdriver, remove the attachment screws and then the end caps, as shown in the illustration. Put 

the screws in a safe place, so you can use them to reattach the end caps after you have made all the connections to 

the amplifier.

nOte:

 Before you permanently mount the amplifier, read 

Auto Turn-On Switch,

 below, to determine the setting of the 

switch, which is located on the amplifier’s bottom panel.

1. Select a suitable mounting location as described above.
2. Using the amplifier as a template, mark the locations of the mounting holes on the mounting surface.
3. Drill pilot holes in the mounting surface.
4.  Attach the amplifier to the mounting surface with four appropriate mounting screws of your own choice. We 

suggest using #8 Phillips-head sheet metal screws. Make sure the amplifier is mounted securely.

cOnnecTiOns

impOrtant: 

Disconnect the vehicle’s negative (–) battery terminal before beginning the installation.

If you have not already done so, remove the two end caps that cover the amplifier’s connectors as explained in 

Mounting the Amplifier,

 above. This will provide easier access to all of the amplifier’s connectors.

autO turn-On sWitch

No remote turn-on connection is necessary because GTO amplifiers include signal-sensing turn-on, which will turn 

the amplifier on when it receives an audio signal at any of its input connectors. The amplifier will automatically turn off 

approximately five minutes after the input signal ceases. 

If your audio system’s source unit includes a remote turn-on wire and you would prefer to use it, the amplifier 

will sense that you’ve used a remote turn-on wire and that connection will override the signal-sensing turn-on. If 

necessary, you can defeat the signal-sensing turn-on circuit by moving the Auto Turn-On switch to the “Off” position.

Summary of Contents for GTO-3EZ

Page 1: ...Owner s Manual GTO 5EZ GTO 3EZ power amplifier...

Page 2: ...ahead is OK but please don t skip Setup Procedure on page 8 So we can better serve you should you require warranty service please retain your original sales receipt and register your GTO 5EZ or GTO 3E...

Page 3: ...nting surface with four appropriate mounting screws of your own choice We suggest using 8 Phillips head sheet metal screws Make sure the amplifier is mounted securely Connections IMPORTANT Disconnect...

Page 4: ...to loosen the connector s set screw insert the bare wire and tighten the set screw to secure the wire in the connector Loosen Screw Insert Wire Tighten Screw Ground Connection Connect a wire minimum 6...

Page 5: ...ed near the battery GTO 5EZ 90A fuse GTO 3EZ 70A fuse Speaker Connections Always connect the terminal on the amplifier to the terminal on the speaker and the terminal on the amplifier to the terminal...

Page 6: ...els in stereo and the other pair of left and right channels bridged for a 3 1 channel system See Connecting the Inputs on page 7 for information about connecting the inputs for bridged operation GTO 3...

Page 7: ...ed by the Front Input connectors For use with source units that do not have a dedicated subwoofer connector S The Sub speaker output is fed only by the Sub Input connector For use with source units th...

Page 8: ...ier channels Set the Crossover Filter selector in the LP low pass position This will limit the amount of high frequency energy sent to the woofers or subwoofer If you have connected any other type of...

Page 9: ...ut Level switch to the Hi2 position The Hi2 position includes a circuit designed to fool this type of factory system into seeing a speaker connected to its output 2 Turn all amplifier Gain controls to...

Page 10: ...nnection for turn on check that the wire is properly connected to the audio system s remote turn on wire or to the vehicle s ACC power terminal If you are using the amplifier s Auto Turn On circuit fo...

Page 11: ...re amplifier s Crossover Filter selector for the distorted channels is set to HP Set the distorted channels Crossover control to a higher setting Check that the distortion is not originating from the...

Page 12: ...Replacement 30A x 3 Dimensions D x H x W 14 11 16 x 2 9 16 x 9 11 16 373mm x 66mm x 246mm Weight 11 2 lb 5 1kg GTO 3EZ Number of Channels 2 1 Power Output CEA 2006A 50W RMS x 2 channels at 4 ohms 350W...

Page 13: ...ights reserved JBL is a trademark of HARMAN International Industries Incorporated registered in the United States and or other countries Features specifications and appearance are subject to change wi...

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