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owner’s manual
600W 3/4/5/6 Channel 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, 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
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Protect Your Hearing! installation aPP lications We value you as a long-term customer. For This amplifier is designed for operation in that reason, we urge you to practice restraint in vehicles with 12 volt, negative-ground electrical the operation of this product so as not to damage systems. Use of this product in vehicles with your hearing and that of others in your vehicle. positive ground and/or voltages other than 12V Studies have shown that continuous exposure to may result in damage t
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ENGLISH Planning Your installation It is important that you take the time to read this manual and that you plan out your Mounting the amplifier upside down is installation carefully. The following are some strongly discouraged. considerations that you must take into account when planning your installation. If mounting the amplifier under a seat, make sure there is at least 1 inch (2.5 cm) of c ooling efficiency c onsiderations: space above the amplifier’s outer shell to permit The o
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Product d escri Ption The JL Audio XD600/6 is a six-channel, ground lug, XB-MGLU is recommended). full-range audio amplifier utilizing JL Audio Use 4 AWG wire, no longer than 36 inches NexD™ ultra-high speed switching technology to (90 cm) from the amplifier to the ground deliver outstanding fidelity and efficiency. connection point. In some vehicles, it may be The XD600/6 can be operated with a wide necessary to upgrade the battery ground wire. variety of source units and system configura
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ENGLISH Power c onnections Before installing the amplifier, disconnect the The ground connection should be made negative (ground) wire from the vehicle’s battery. using 4 AWG wire and should be kept as This will prevent accidental damage to the system, short as possible, while accessing a solid the vehicle and your body during installation. piece of sheet metal in the vehicle. The surface of the sheet metal should be sanded at the contact point to create a clean, metal- to-metal connection
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t urn- o n l ead The XD600/6 uses a conventional +12V remote turn-on lead, typically controlled by the source unit's remote turn-on output. The amplifier will turn on when +12V is present at its “Remote” input and turn off when +12V is switched off. If a source unit does not have a dedicated remote turn-on output, the amplifier’s turn-on lead can be connected to +12V via a switch that derives power from an ignition-switched circuit. The XD600/6’s “Remote” turn-on connector is designed t
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ENGLISH inPut s ection The XD600/6’s input section allows you to send input Voltage r ange: signals to the amplifier section through the use The XD600/6’s input sections are designed to of two, four or six differential-balanced inputs. accept signal voltages from 100mV – 4V. This Input connections are via up to three pairs of will accommodate all preamp level signals and traditional RCA-type jacks. many speaker level signals. To use speaker-level sources, simply splice the speaker output
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Filter c ontrols Most speakers are not designed to reproduce 1) “Filter Mode” Control: The XD600/6 employs the full range of frequencies audible by the human a 12dB per octave filter for each pair of ear. For this reason, most speaker systems are channels (one filter for channels 1&2, another comprised of multiple speakers, each dedicated filter for channels 3&4 and a third filter for to reproducing a specific frequency range. Filters channels 5&6). Each of these filters can be are used to
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ENGLISH r emote l eVel control ( oP tional) With the addition of the optional Remote “ Remote Level Mode” Switch: This switch Level Control (HD-RLC), you can control the allows you to assign the operation of the volume of one, two or all three channel pairs of HD-RLC to one, two or all three pairs of the XD600/6 from the front of the vehicle. This channels. In the “All” position, the HD-RLC is useful for subwoofer level control, rear channel knob will affect all three channel pairs equal
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sPeaker outP uts The XD600/6’s speaker outputs are designed to accept 16 AWG - 8 AWG wire. To connect the When a pair of channels are bridged, they speaker wires to the amplifier, first back out the will deliver 200W x 1 into a 4 ohm load or set screws on the top of the terminal block, using 150W x 1 into an 8 ohm load. Operating a the supplied 2.5 mm hex wrench. Strip 1/2 inch pair of bridged channels into a load lower (12 mm) of insulation from the end of each wire than 4 ohms is not
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ENGLISH s tatus led / Protection circuitr Y There is a single multi-color LED on the top over-current condition is of a very short duration. surface of the amplifier to indicate the amplifier’s This functionality can be used to diagnose a operating status. short-circuit by only connecting one channel at a time. The “Status LED” will turn amber when you connect the channel that is experiencing the problem and turn the volume up. 5) LED off / Amplifier Shuts Off Unexpectedly The only condi
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sYstem conF igurations The XD600/6 is a flexible amplifier, well- adjustable from the front of the vehicle suited for a multitude of system configurations. (unless an optional HD-RLC is connected the In this section, the most likely configurations are “Remote Level Control” port and used as a explained in detail. subwoofer level control). Once you have selected your desired configuration, you can use the amplifier panel B) Fade Front vs. Rear with no Subwoofer drawing on pages 18 & 19 to m
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ENGLISH D) Subwoofer Level Control Only: Crossover Setup for Bi-Amplified System Requ ired: a source unit or processor with with one XD600/6: one pair of stereo outputs and dedicated Once the input sections have been configured subwoofer outputs. appropriately, go to the “Channel 5 & 6 Inp ut Connections: the stereo pair of source Controls”. Select “LP” (low-pass) on the “Filter unit outputs each split with a “Y-Adaptor” Mode” switch and an appropriate “Filter Freq.” allowing the left sign
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aPPendi X a : input s ensitivity l evel s etting 9) O nce you have adjusted the XD600/6 to Following the directions below will allow the its maximum low-distortion output level, installer to adjust the input sensitivity of each reconnect the speaker(s). The “Input Sens.” amplifier channel pair simply and easily in just a controls can now be adjusted downward if the few minutes using equipment which is commonly amplifier requires attenuation to achieve the available in installation bays. des
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ENGLISH aPP endi X b: aPPendi X c : Precise Frequency selection c hart Xd 600/6 s pecifications “Filter Freq ” g eneral s pecifications: detent Panel a ctual Recommended Fuse Value: 50A number marking Freq. Recommended Fuse Type: MAXI™ or AGU Full counter-clockwise: 49 01 ............................49 02 ........... “50”............49 input s ections: 03 ............................50 No. of Inputs: Three Stereo Pairs 04 ............................50 Input Type: Differential-bala
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aPP endi X d: troubles Hooting “How do i properly set the input sensitivity on my amplifier?” Please r efer to Appendix A (page 14) to set the input sensitivity for maximum, low-distortion output. “my amplifier doesn’t turn on.” Check t he fuse, not just visually, but with a continuity meter. It is possible for a fuse to have poor internal connections that cannot be found by visual inspection. It is best to take the fuse out of the holder for testing. If no problem is found with the fuse
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ENGLISH “my amplifier shuts off once in a while, usually at higher volumes.” Check y our voltage source and grounding point. The power supply of the XD600/6 will operate with charging system voltages down to 10V. Shutdown problems at higher volume levels can occur when the charging system voltage (or remote turn- on voltage) momentarily drops below 10V. These dips can be of very short duration making them extremely difficult to detect with a common DC voltmeter. To ensure proper voltage,
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installation notes : Use this diagram to document your amplifier’s switch and control positions. 18 | JL Audio - XD600/6 Owner’s Manual
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ENGLISH 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. The warranty is extended to three (3) years total if installation is performed by an authorized JL Audio dealer using a JL Audio Premium Power Connection System for power wiring. This warranty is not transferrable and applies only to the original purchaser from an authorized JL AUDIO dealer. Should service be necessary under this warrant
