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owner’s manual
600W Marine Monoblock Subwoofer Amplifier
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, 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 perfor
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Prote Ct Your Hearing! installation aPP liC ations Planning Your installation We value you as a long-term customer. For This amplifier is designed for operation in It is important that you take the time to read Mounting the amplifier upside down is that reason, we urge you to practice restraint in vessels with 12 volt, negative-ground electrical this manual and that you plan out your strongly discouraged. the operation of this product so as not to damage systems. Use of this product in vesse
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Produ Ct d esCri Ption Power Conne Ctions The M600/1 is a monoblock amplifier utilizing 6) R un speaker cable from the subwoofer Before installing the amplifier, disconnect the The ground connection should be made using JL Audio NexD™ high speed switching technology system(s) to the amplifier mounting negative (ground) wire from the vessel’s battery. the same gauge wire as the power connection. to deliver outstanding fidelity and efficiency. location. This will prevent accidental damage to the
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t urn- o n l ead inPut s eCtion in Put s ensiti Vit Y Controls The M600/1 uses a conventional +12V remote The M600/1’s input section allows you to send The control labeled “Input Sens.” can be turn-on lead, typically controlled by the source signal to the amplifier section through the use used to match the source unit’s output voltage to unit's remote turn-on output. The amplifier will of two differential-balanced inputs, one for the the input stage the M600/1 for maximum clean turn on when +
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Filter Controls inF rasoni C Filter r emote l eVel Control ( oP tional) Most speakers are not designed to reproduce 3) P recise Frequency Selection: The filter The “Infrasonic Filter” is a 24 dB/octave high- the full range of frequencies audible by the human frequency markings on the front panel of pass filter, with a fixed cutoff frequency of 30 Hz. ear. For this reason, most speaker systems are the amplifier are for reference purposes and This filter is designed to conserve amplifier power c
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Pre outs subwoo Fer outP uts s tatus led / Prote Ction Cir Cuitr Y The M600/1 incorporates a pass-through The M600/1 is designed to deliver power into There is a single multi-color LED on the top 5) LED off / Amplifier Shuts Off Unexpectedly preamp output section, so that additional subwoofer loads equal to or greater than 2 ohms. surface of the amplifier to indicate the amplifier’s The only condition that will shut down amplifiers can be easily added to the system. The M600/1’s subwoofer out
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aPPendix a : aPP endix b: aPPendix C: input s ensitivity l evel s etting 8) Increase the “Input Sens.” control until the Precise Frequency selection Chart m600/1 s pecifications Following the directions below will allow the target voltage is observed with the voltmeter. “Filter Freq ” amP Filter installer to adjust the input sensitivity of each 9) O nce you have adjusted the M600/1 to its g eneral s pecifications: detent Panel a ctual amplifier channel pair simply and easily in just a maximu
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aPPendix d: troublesHooting “How do i properly set the input sensitivity on my amplifier?” “my amplifier shuts off once in a while, usually at higher volumes.” Please refer to Appendix A (page 12) to set the input sensitivity for Check your voltage source and grounding point. The power supply maximum, low-distortion output. of the M600/1 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
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installation notes : Use this diagram to document your amplifier’s switch and control positions. 16 | JL Audio - M600/1 Owner’s Manual 17
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installation notes : installation notes : 18 | JL Audio - M600/1 Owner’s Manual 19
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l imited w arrant Y - a mPli Fiers ( usa ) JL AUDIO warrants this product to be free of defects in materials and workmanship for a period of two (2) years. This warranty is not transferable and applies only to the original purchaser from an authorized JL AUDIO dealer. Should service be necessary under this warranty for any reason due to manufacturing defect or malfunction, JL AUDIO will (at its discretion), repair or replace the defective product with new or remanufactured product at no ch
