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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.

OWNER’S MANUAL

M

4300

four-channel marine amplifier 

Содержание M-Series M4300

Страница 1: ...d 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 yo...

Страница 2: ...t waterproof and it should not be mounted where it is likely to get wet JL AUDIO M4300 3 PROTECT YOUR HEARING We value you as a long term customer For that reason we urge you to practice restraint in...

Страница 3: ...lock using the supplied 2 5mm hex wrench Strip 1 2 inch 12mm of wire and insert the bare wire into the terminal block seating it firmly so that no bare wire is exposed While holding the wire in the te...

Страница 4: ...hart in Appendix B page 15 Tuning Hint If you are using the M4300 to drive a subwoofer system LP mode a component satellite speaker system HP mode or both 80 Hz is a good baseline Filter Freq Hz setti...

Страница 5: ...you must connect a stereo signal to the input of the amplifier A mono signal into the amplifier will result in a mono signal out of the preamp output JL AUDIO M4300 9 BASS BOOST CONTROLS 1 CH 3 4 Bass...

Страница 6: ...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 A...

Страница 7: ...All JL Audio amplifiers have this feature In this configuration channels 1 2 of the M4300 will drive front component speakerswith high pass filtering Channels 3 4 will drive rear component speakers i...

Страница 8: ...est tone recorded at 0 dB reference level 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...

Страница 9: ...accept up to 8 AWG wire Make sure to strip the wire to allow for a sufficient connection with the metal inside the terminal block How do I properly set the input sensitivity on my amplifier Please re...

Страница 10: ...JL AUDIO M4300 19 18 JL AUDIO M4300 INSTALLATION NOTES Use this diagram to document your amplifier s switch and control positions...

Страница 11: ...ied warranties 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 yo...

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