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Table of Contents
- 1 Protect Your Hearing
- 2 Installation Applications
- 3 Planning Your Installation
- 4 Product Description
- 5 Power Connections
- 6 Typical Installation Sequence
- 7 Fuse Requirements
- 8 Turn-On Lead
- 9 Crossover Controls
- 10 Speaker Outputs
- 11 Bridging Considerations
- 12 System Configurations
- 13 Appendix E: Trouble Shooting
- 14 Installation Notes
- Download this manual
OWNER'S MANUAL
four-channel full-range amplifier
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.
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Table of Contents
Related Manuals for JL Audio 300/4v2
Summary of Contents for JL Audio 300/4v2
- 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...
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Page 2: Protect Your Hearing
12V, negative-ground electrical Your JL Audio amplifier employs an make sure there is at least 1 inch (2.5 cm) of the operation of this product so as not to damage systems. -
Page 3: Product Description
2 AWG or 1/0 AWG main power wire 6 AWG) wire to ground the battery to the 300/4v2 can operate with a single pair of stereo 8) Connect the positive and negative power (depending on the overall current demands of vehicle chassis and to connect the alternator’s... -
Page 4: Turn-On Lead
The output of the amplifier will decrease Crossovers are groups of individual electronic turn-on lead, typically controlled by the source all four channels of the 300/4v2 with a single for a given input voltage when the “Input filters which allow only certain frequency unit’s remote turn-on output. -
Page 5: Speaker Outputs
Filte filter frequency at a rate of 12 dB per octave The 300/4v2 employs JL Audio’s exclusive single channel. The 300/4v2 has been designed for (Butterworth alignment). Regulated, Intelligent Power Supply (R.I.P.S.) bridging of its channel pairs without the need for design. -
Page 6: System Configurations
Req uired: a source unit or processor with front top of the amplifier. These are as follows: that it may be sent in to JL Audio for service. this section, the most likely configurations are and rear pairs of outputs. - Page 7 300/4v2. The second amplifier owner’s manual for proper adjustments. All JL Audio subwoofer amplifiers have this...
- Page 8 Input Range: Switchable from 200mV - 2V RMS same amount of power within its operational 300/4v2. Note whether your channels are in Input Sens. with this procedure. This applies to 800mV - 8V RMS...
- Page 9 Bridged 6Ω: 100W x 1 (set to 21.2V) Bridged 3Ω: 150W x 1 (set to 21.2V) Stereo 2Ω: 56W x 2 (set to 10.6 V / ch.) Stereo 1.5Ω: 75W x 2 (set to 10.6 V / ch.) 16 | JL Audio - 300/4 Owner’s Manual...
- Page 10 38 ..“500” ..514 39 ......525 Full-clockwise: 542 18 | JL Audio - 300/4 Owner’s Manual...
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Page 11: Appendix E: Trouble Shooting
Please refer to Appendix A (page 14) to set the input sensitivity for Check your voltage source and grounding point. The power supply maximum, low-distortion output. of the 300/4v2 will operate with charging system voltages “My amplifier doesn’t turn on” down to 10V. Shutdown problems at higher volume levels Check the fuse, not just visually, but with a continuity meter. -
Page 12: Installation Notes
Right Left Right Four-Channel Full-Range Amplifier Off | LP | HP Off | LP | HP Bridged Bridged Filter Freq. (Hz) Left Ch. Right Ch. Filter Freq. (Hz) Left Ch. Right Ch. 22 | JL Audio - 300/4 Owner’s Manual... - Page 13 International Warranties: Products purchased outside the United States of America are covered only by that country’s distributor and not by JL Audio, Inc. Absolute Symmetry™ Class A/B Amplifier Circuit is covered by U.S. Patent #6,294,959 and is pending in the countries listed below.