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This manual does not include all of the details of design, production, or variation of the equipment. Nor does it cover every
possible situation which may arise during installation, operation or maintenance.
The information provided in this manual was deemed accurate as of the publication date. However, updates to this information
may have occurred.
Trademark Notice: JBL is registered trademark of JBL International. Crown and DriveCore are registered trademarks of Crown
Audio. Other trademarks are the property of their respective owners.
© 2016 JBL Commercial, 10653 S. River Front Parkway, Suite 300 South Jordan, UT 84095, USA. All Rights Reserved.
Contents
Important Safety Information ..............................................................................................................................3
EC - Declaration of Conformity ...........................................................................................................................5
1.0 Welcome .......................................................................................................................................................6
1.1 Features ....................................................................................................................................................6
1.2 Front Panel Controls & Indicators .............................................................................................................7
1.3 Rear Panel Controls & Connectors (VMA160, VMA1120, VMA1240) ......................................................8
1.4 Rear Panel Controls & Connectors (VMA260 & VMA2120) ......................................................................9
2.1 Unpacking Your Amplifier ......................................................................................................................10
2.2 Installing Your Amplifier ..........................................................................................................................10
2.3 Ensuring Proper Cooling ........................................................................................................................13
2.4 Choosing Input Wire & Connectors ........................................................................................................13
2.5 Output Wiring & Connectors ..................................................................................................................14
2.6 Wiring Your Audio System ......................................................................................................................15
2.7 Connecting to AC Mains .......................................................................................................................16
2.8 Protecting Your Speakers ......................................................................................................................16
2.9 Startup Procedure .................................................................................................................................16
3.1 Precautions .............................................................................................................................................17
3.2 Input Routing ..........................................................................................................................................18
3.3 Configuration Settings ............................................................................................................................18
3.4 VOX Function ..........................................................................................................................................19
3.5 Priority Muting .........................................................................................................................................19
3.6 Remote Volume Control ..........................................................................................................................19
3.7 Media Player ...........................................................................................................................................20
3.7.1 Bluetooth Operation ........................................................................................................................20
3.7.2 USB Operation ................................................................................................................................20
3.7.3 Additional Media Player Information ...............................................................................................21
3.7.4 Firmware Upgrade Procedure ........................................................................................................21
4.0 Troubleshooting ..........................................................................................................................................22
Appendix A: Preliminary Performance Specifications ......................................................................................23
Appendix B: Block Diagrams ...........................................................................................................................24
Appendix C: Contact Information .....................................................................................................................27