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CONTENTS

Introduction ................................................................................................. 2

Included ...................................................................................................... 2

Speaker placement ...................................................................................... 3

Left and right speakers .......................................................................... 3

Center channel speakers ........................................................................ 3

Ambient surround speakers .................................................................... 4

5.1-channel systems .............................................................................. 5

6.1-channel systems .............................................................................. 5

7.1-channel systems .............................................................................. 6

General installation notes ............................................................................. 6

Connecting the speakers to the rest of your system ...................................... 6

Rear enclosure installation ........................................................................... 7

Front baffle assembly installation into back box............................................. 8

Specifications ............................................................................................ 10

INTRODUCTION

THANK YOU

 for purchasing the JBL

®

 SCL-3 and/or SCL-4 In-Wall loudspeakers. For more than 65 years, JBL 

engineers have been providing audio equipment for homes, concert halls, recording studios and movie theaters 
around the world, and JBL products have become the hands-down choice of leading recording artists and sound 
engineers. The SCL-3 and SCL-4 are the latest members of the JBL Synthesis Home Theater system. To get the best 
performance from your new loudspeakers, please read these instructions thoroughly.

PACKAGE CONTENTS

EACH JBL SCL-3 and SCL-4 PACKAGE CONTAINS:

•  1 – Loudspeaker 
•  1 – JBL Logo set
•  2 – Center baffle screw (SCL-3 one screw is extra/spare due to special length)
•  13 – Baffle screws (SCL-4)
•  8 – Baffle screws (SCL-3)
•  1 –  Set of 4 Security Plates (SCL-4 only). For SCL-3,  

security plates included with pre-construction wall bracket

•  1 – Grille
•  1 – User Manual
•  1 – Back Box with mounting brackets attached

If you suspect that there has been shipping damage, report it immediately to your dealer. We recommend that you 
keep the box and packing materials for future use.

Summary of Contents for SCL-3

Page 1: ...OWNER S AND INSTALLER S MANUAL In Wall Loudspeakers JBL SCL 3 JBL SCL 4...

Page 2: ...nd JBL products have become the hands down choice of leading recording artists and sound engineers The SCL 3 and SCL 4 are the latest members of the JBL Synthesis Home Theater system To get the best p...

Page 3: ...the speakers is the same as each speaker s distance from the listener Figure 1 Although their acoustic coverage area allows mounting the systems in any of the four possible orientations where necessar...

Page 4: ...in the installation then the recommended location as described above is directly below and as close as possible to the video display See Figure 3 Again the inverse of this method will work also NOTE I...

Page 5: ...lect off the side walls There are a few instances in which the ambient surrounds would perform better if mounted in the ceiling rather than the walls If one or both of the walls are acoustically dead...

Page 6: ...han the other This will help maintain proper signal balance Remember to make extra wires for bi amp or bi wire usage should this be selected 3 Strip off 3 8 of insulation from both ends of each conduc...

Page 7: ...ke sure to use the security plates supplied with the SCL 4 system Be sure to decide the correct orientation of your back box Important Note on next page before cutting into your wall or installing you...

Page 8: ...onsider reversing the enclosure L brackets so they stick out from the wall This will offer additional forward placement of the system See Figure 13 Figure 13 FRONT BAFFLE ASSEMBLY INSTALLATION WARNING...

Page 9: ...nt Loudspeaker Figure 15 SCL 3 Flush Mount Loudspeaker Figure 16 BI WIRING AND BI AMPING The bi wire or bi amp option is easy to set 1 Make the choice to bi amp or bi wire and cut two pair of wires fo...

Page 10: ...SCL 3 SCL 4 Speaker Type 2 way Flush Mount Loudspeaker 2 way Flush Mount Loudspeaker Low Frequency Transducer Dual 5 25 130mm cast frame Advanced Aluminum Matrix cone woofers 7 180mm cast frame Advan...

Page 11: ...fferential Drive and HDI are trademarks of HARMAN International Industries Incorporated registered in the United States and or other countries Features specifications and appearance are subject to cha...

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