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Table of Contents
- 1 Installation Applications
- 2 Product View
- 3 Protect Your Hearing
- 4 Planning Your Installation
- 5 Product Description
- 6 Typical Installation Sequence
- 7 Power Connections
- 8 Fuse Requirements
- 9 Crossover Controls
- 10 Speaker Outputs
- 11 Appendix C: Trouble Shooting
- 12 Installation Notes
- Download this manual
JL AUDIO 300/4
four-channel full-range amplifier
o w n e r ' s m a n u a l
Thank you for purchasing a JL Audio amplifier for
your automotive sound system.
Your amplifier has been designed and manufactured to exacting
standards in order to ensure years of musical enjoyment in your
vehicle. For maximum performance and extended warranty
coverage, we highly recommend that you have your new amplifier
installed by an authorized JL Audio dealer. Your authorized
dealer has the training, expertise and installation equipment to
ensure optimum performance from this product. Should you
decide to install the amplifier yourself, please take the time
to read this manual thoroughly so as to familiarize yourself
with its installation requirements and setup procedures.
If you have any questions regarding the instructions in this
manual or any aspect of your amplifier's operation, please contact
your authorized JL Audio dealer for assistance. If you need further
assistance, please call the JL Audio Technical Support Department at
(954) 443-1100 during business hours (Eastern Time Zone).
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Table of Contents
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Summary of Contents for JL Audio Slash 300/4
- Page 1 If you have any questions regarding the instructions in this manual or any aspect of your amplifier’s operation, please contact your authorized JL Audio dealer for assistance. If you need further assistance, please call the JL Audio Technical Support Department at...
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Page 2: Installation Applications
Cooling Efficiency Considerations: Your JL Audio amplifier employs an advanced type of heat management, called RealSink™.This feature takes advantage of convection and radiation effects to remove heat from the amplifier circuitry. -
Page 3: Product Description
PRODUCT DESCRIPTION TYPICAL INSTALLATION SEQUENCE The JL Audio 300/4 is a four-channel full-range The following represents the sequence for a amplifier utilizing patented Absolute Symmetry™ typical amplifier installation, using an aftermarket Class AB technology for all channels. All channels source unit. Additional steps and different benefit from JL Audio's exclusive R.I.P.S. -
Page 4: Crossover Controls
JL AUDIO 300/4 JL AUDIO 300/4 CROSSOVER CONTROLS Crossovers are groups of individual electronic filters... -
Page 5: Speaker Outputs
Experiment to find four channels. the slope which best matches the acoustic The 300/4 employs JL Audio's exclusive requirements of the system.The sharper “24dB” Regulated, Intelligent Power Supply (R.I.P.S.) design. setting will do a better job of protecting small This sophisticated power supply allows the speakers with limited power handling.The shallower... - Page 6 JL Audio dealer so of the amplifier. These are as follows: that it may be sent in to JL Audio for service. 1) “Power” (Green): lights to indicate that the There are no user serviceable parts or fuses amplifier is turned on and operating normally.
- Page 7 All subwoofer amplifier inputs. JL Audio subwoofer amplifiers have this feature. Result: with this option, the user has the ability to In this configuration, the front channels of the fade the level of the subwoofer amplifier’s input...
- Page 8 05 ......59 ease of setup. Because each JL Audio amplifier will 06 ......60 always deliver the same amount of power within its 07 .
- Page 9 Bridged 6Ω: 100W x 1 (set to 24.6V) ...Bridged 4Ω: 150W x 1 (set to 24.6V) Bridged 6Ω: 100W x 1 (set to 21.2V) ...Bridged 3Ω: 150W x 1 (set to 21.2V) JL AUDIO 300/4 JL AUDIO 300/4 2nd Pair of Channels (Bridged)
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Page 10: Appendix C: Trouble Shooting
“MY AMPLIFIER’S OUTPUT FLUCTUATES WHEN I TAP ON IT OR HIT A BUMP” “HOW DO I PROPERLY SET THE INPUT SENSITIVITY ON MY AMPLIFIER” JL AUDIO 300/4 JL AUDIO 300/4 Check the input signal using an AC voltmeter to measure the... - Page 11 50 - 500 Hz, switchable to a range of 500 - 5000 Hz, via x10 switch. Defeatable. DIMENSIONS (LxWxH): 13.4" x 9.25" x 2.36" (340mm x 235mm x 60mm) Due to ongoing product development, all specifications are subject to change without notice. JL AUDIO 300/4 JL AUDIO 300/4...
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Page 12: Installation Notes
INSTALLATION NOTES: Use this diagram to document your amplifier’s switch and control positions. JL AUDIO 300/4 JL AUDIO 300/4... - Page 13 LIMITED WARRANTY - AMPLIFIERS (USA) JL AUDIO warrants this product to be free of defects in materials and workmanship for a period of ninety (90) days from the original date of purchase. The warranty term is extended to two (2) years if installation is performed or approved by an authorized JL AUDIO dealer (proof of installation or approval required on purchase receipt).