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JL AUDIO
four-channel full-range marine amplifier
o w n e r ' s m a n u a l
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).
e4300M
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Summary of Contents for JL Audio E4300M
- 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: Protect Your Hearing
Cooling Efficiency Considerations: The outer shell of your JL Audio amplifier is designed to remove heat from the amplifier circuitry. For optimum cooling performance, this outer shell should be exposed to as large a volume of air as possible. -
Page 3: Product Description
Symmetry™ Class AB technology for all channels. 10) Connect the input cables to the amplifier. The e4300M can be operated with a wide variety 11) Connect the speaker wires to the amplifier. of source units and system configurations. -
Page 4: Turn-On Lead
If you wish to send four discrete channels into the turn-on lead, typically controlled by the source unit's e4300M, simply use all four inputs (channels 1 & 2 remote turn-on output.The amplifier will turn on and channels 3 & 4) and set the “CH 3&4 Input when +12V is present at its “Remote”... -
Page 5: Bass Boost Controls
“CH 3&4 Bass Boost” processing selected for the amplifier or by any crossover filter selected.When the e4300M is being used to drive front and rear speaker systems, this preamp output mode will deliver a summed front/rear signal to the subwoofer amplifier, while permitting fading of the front and rear speaker systems from the source unit. - Page 6 JL Audio dealer so input / control end of the amplifier: that it may be sent in to JL Audio for service. There are no user serviceable parts or fuses inside the amplifier.The unique nature of the circuitry in the JL Audio amplifiers requires specifically trained service personnel.
- Page 7 BI-AMPLIFIED SYSTEM WITH ONE e4300M IN level of the front and rear HF channels will be fixed FOUR-CHANNEL MODE AND A SEPARATE by the e4300M’s “Input Sens. ” settings and will not SUBWOOFER AMPLIFIER be user adjustable from the front of the vessel.
- Page 8 6) Verify that you have disconnected the speakers before proceeding. Play a track with an appropriate sine wave (within the frequency range to be amplified by the e4300M) at 3/4 source unit volume. 7) Connect the AC voltmeter to the speaker output connectors of the amplifier.
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Page 9: Appendix D: Trouble Shooting
“MY AMPLIFIER’S OUTPUT FLUCTUATES WHEN I TAP ON IT OR HIT A WAVE” “HOW DO I PROPERLY SET THE INPUT SENSITIVITY ON MY AMPLIFIER” JL AUDIO e4300M JL AUDIO e4300M Check the input signal using an AC voltmeter to measure the voltage... -
Page 10: Installation Notes
INSTALLATION NOTES: Use this diagram to document your amplifier’s switch and control positions. JL AUDIO e4300M JL AUDIO e4300M... - Page 11 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).
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