background image

Thank you for purchasing a JL Audio amplifier for 

your marine sound system. 

Your amplifier has been designed and manufactured to exacting

standards in order to ensure years of musical enjoyment in your

vessel. 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).

JL AUDIO 

e4300M 

four-channel full-range marine amplifier

o w n e r ’ s   m a n u a l

Summary of Contents for E4300M

Page 1: ...t 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 f...

Page 2: ...erproof and it should not be mounted where it is likely to get wet IMPORTANT IMPORTANT JL AUDIO e4300M 3 Channels 3 4 Speaker Outputs pg 9 Channels 1 2 Speaker Outputs pg 9 PROTECTYOUR HEARING We value you as a long term customer For that reason we urge you to practice restraint in the operation of this product so as not to damage your hearing and that of others in your vessel Studies have shown t...

Page 3: ...wer connection If one is desired we recommend the use of a 40A AGU fuse or MaxiFuse type IMPORTANT JL AUDIO e4300M 5 PRODUCT DESCRIPTION The JL Audio e4300M is a four channel full range marine amplifier utilizing patented Absolute Symmetry Class AB technology for all channels The e4300M can be operated with a wide variety of source units and system configurations TYPICAL INSTALLATION SEQUENCE The ...

Page 4: ...of subwoofer s to one or both of the e4300M s channel pairs in a bi amplified system HP High Pass Configures the filter to attenuate frequencies below the selected filter frequency at a rate of 12dB per octave This is useful for connection of component speakers to one or both of the e4300M s channel pairs in a bi amplified system 2 Filter Freq Hz The filter frequency markings surrounding this rota...

Page 5: ...above make sure to connect negative wires to negative wires and positive wires to positive wires 2 Left Right Channel Information When bridged and fed by a stereo input a pair of the e4300M s channels will automatically combine the left and right channels into a summed mono left right channel This option is useful when using a pair of the e4300M s channels to drive a subwoofer system or a summed m...

Page 6: ...e ability to control the absolute level of the LF channels relative to the HF channels Set the Input Sens in the Channel 3 4 Controls section with the source unit s subwoofer level control set at 3 4 of full output See Appendix A page 14 for details Crossover Setup for Bi Amplified System with one e4300M Once the input sections have been configured appropriately go to the Channel 3 4 Controls Sele...

Page 7: ... settings as well as the subwoofer amplifier s settings and will not be user adjustable from the front of the vessel B Fade Subwoofer Level vs HF Level Required a source unit or processor with front and rear pairs of stereo outputs Input Connections one stereo pair of source unit outputs is connected to the CH 1 Left and CH 2 Right inputs of the e4300M select 1 2 on the CH 3 4 Input From switch Th...

Page 8: ...in the frequency range to be amplified for that set of channels 50 Hz for subwoofer channels 1 kHz for a midrange application Do not use attenuated test tones 10 dB 20 dB etc The Nine Step Procedure 1 Disconnect the speaker s from the amplifier s speaker output connectors 2 Turn off all processing bass treble loudness EQ etc on the source unit processors if used and amplifier Set fader control to ...

Page 9: ...make sure there is 12V at the Remote connection of the amplifier In some cases the turn on lead from the source unit is insufficient to turn on multiple devices and the use of a relay is required To test for this problem jump the 12V wire to the Remote terminal to see if the amplifier turns on If this does not work proceed to the next step Check the fuse not just visually but with a continuity met...

Page 10: ...JL AUDIO e4300M 19 18 JL AUDIO e4300M INSTALLATION NOTES Use this diagram to document your amplifier s switch and control positions ...

Page 11: ...ies therefore these exclusions may not apply to you This warranty gives you specific legal rights and you may also have other rights which vary from state to state If you need service on your JL AUDIO product All warranty returns should be sent to JL AUDIO s Amplifier Service Facility freight prepaid through an authorized JL AUDIO dealer and must be accompanied by proof of purchase a copy of the o...

Reviews: