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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 from this product. Should you  

decide to install the amplifier yourself, please take the time  

to read this manual thoroughly 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

700W 5-Channel Amplifier with 2-Way / 3-Way Crossover

Summary of Contents for XD700/5v2

Page 1: ...uipment to ensure optimum performance from this product Should you decide to install the amplifier yourself please take the time to read this manual thoroughly 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: ...he time to enter that number in the space provided below The serial number can be found on the bottom panel of the amplifier and on the amplifier packaging Serial Number INSTALLATION APPLICATIONS This amplifier is designed for operation in vehicles with 12 volt negative ground electrical systems Use of this product in vehicles with positive ground and or voltages other than 12V may result in damag...

Page 3: ...ironment and in a manner which does not interfere with your vehicle s safety equipment air bags seat belt systems ABS brake systems etc You should also take the time to securely mount the amplifier so that it does not come loose in the event of a collision or a sudden jolt to the vehicle Stupid Mistakes to Avoid Check before drilling any holes in your vehicle to make sure that you will not be dril...

Page 4: ...location 5 Run speaker cables from the speaker systems to the amplifier mounting location 6 Find a good solid metal grounding point close to the amplifier and connect the negative power wire to it using appropriate hardware use of the JL Audio ECS master ground lug XB MGLU is recommended Use 4 AWG wire no longer than 36 inches 90 cm from the amplifier to the ground connection point In some vehicle...

Page 5: ...t screw firmly taking care not to strip the head of the screw The ground connection should be made using 4 AWG wire and should be kept as short as possible while accessing a solid 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 between the chassis and the termination of the ground wire For optimal ...

Page 6: ...ntional 12 V turn on leads Depending on the characteristics of the audio signal one of the following methods may work better than the other We recommend trying DC Offset Sensing first as it does not require a long delay to turn the system off after the signal is shut off DC Offset Sensing The amplifier will turn on and off by detecting the presence of a very small DC signal offset that is typical ...

Page 7: ...p level signals High for speaker level signals This switch affects all channels of the amplifier equally The Low position on the Input Voltage switch selects an input sensitivity range between 200mV and 2V This means that the Input Sens rotary controls will operate within that voltage window If you are using an aftermarket source unit with conventional preamp level outputs this is the position you...

Page 8: ...re more stable than passive filters and do not introduce extraneous resistance which can degrade subwoofer performance The active filter built into each channel section of the XD700 5v2 can be used to eliminate potentially harmful and or undesired frequencies from making their way through the amplifier sections to the speaker s This serves to improve tonal balance and to avoid distortion and possi...

Page 9: ...gures the filter to attenuate frequencies above the indicated filter frequency at a rate of 24dB per octave This is useful for connection of subwoofers in a bi amplified system This sharper slope more aggressively removes high frequencies from your subwoofer signal and is often well suited for SUV s wagons and hatchbacks 2 Filter Freq Hz The filter frequency markings surrounding these rotary contr...

Page 10: ... bridged each channel produces signals of equal magnitude but opposite polarity The combined output of the two channels provides twice the output voltage available from a single channel The XD700 5v2 has been designed for bridging of its main channel pairs without the need for input inversion adaptors To bridge a pair of main channels use the Left and Right speaker connectors only the Left and Rig...

Page 11: ...h reduces power output The XD700 5v2 s subwoofer outputs are designed to accept 16 AWG 8 AWG wire To connect the subwoofer wires to the amplifier first back out the set screws on the top of the terminal block using the supplied 2 5 mm hex wrench Strip 1 2 inch 12 mm of insulation from the end of each wire and insert the bare wire into the terminal block seating it firmly so that no bare wire is ex...

Page 12: ...behavior may be very short in duration it may manifest itself as an audible repetitive ticking or thumping noise in the output Over current conditions can be caused by a speaker impedance lower than the optimum load impedance range for the amplifier or a short circuit in the speaker wiring The latter can result from a short circuit between the positive and negative speaker wires or between either ...

Page 13: ...fiers requires specifically trained service personnel Do not attempt to service the amplifier yourself or through unauthorized repair facilities This will not only void the warranty but may result in the creation of more problems within the amplifier If you have any questions about the installation or setup of the amplifier that have not been covered in this manual please contact your dealer or te...

Page 14: ...24dB setting engages a sharper filter slope that more aggressively attenuates frequencies above the selected Filter Freq setting Neither setting is better but in general the shallower 12dB setting is more desirable for a subwoofer having to fire from a trunk into the cabin of a sedan or coupe The sharper 24dB setting is typically better in a hatchback SUV or wagon application Experiment to find th...

Page 15: ...t by the tweeter channel s Filter Freq adjustment CH 1 2 The low pass portion of the bandpass filter will always track with the CH 1 2 Filter Freq setting Finally turn your attention to the CH 1 2 Controls and select x10 high pass on the HP Filter Mode switch This switch position multiplies the indicated Filter Freq value by a factor of 10 so that an indicated frequency of 500 Hz is actually a fil...

Page 16: ...ier outputs 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 channel you are adjusting at 3 4 source unit volume 7 Connect the AC voltmeter to the speaker output connectors of the amplifier If the channel pair is operating in stereo it is only necessary to measure one channel If bridged m...

Page 17: ...r 84 dB referred to 1W Subwoofer Channel 103dB referred to rated power 83dB referred to 1W Frequency Response Main Channels 12 Hz 22 kHz 0 1dB Subwoofer Channel 10 Hz 1 kHz 0 1dB Damping Factor Main Channels 150 4 ohms per ch 50 Hz 75 2 ohms per ch 50 Hz Subwoofer Channel 120 4 ohms per ch 50 Hz 60 2 ohms per ch 50 Hz Crossover Filters Filter Type State variable Sallen Key with continuously variab...

Page 18: ... for this problem jump the 12VDC wire to the Remote terminal to see if the amplifier turns on I get a repetitive ticking or popping sound coming out of the speaker s Check the speaker wires for a possible short either between the positive and negative leads or between either speaker lead and the vehicle s chassis ground If a short is present you will experience distorted and or attenuated output T...

Page 19: ...t while an appropriate test tone is played through the source unit disconnect the input cables from the amplifier prior to this test The frequency used should be in the range that is to be amplified by the amplifier example 50 Hz for a sub bass application or 1 kHz for a full range high pass application A steady sufficient voltage between 0 2 and 8 0 volts should be present at the output of the si...

Page 20: ...20 JL Audio XD700 5v2 Owner s Manual INSTALLATION NOTES Use this diagram to document your amplifier s switch and control positions ...

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Page 22: ...22 JL Audio XD700 5v2 Owner s Manual INSTALLATION NOTES ...

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Page 24: ...etail and no warranties whether express or implied shall apply to this product thereafter Some states do not allow limitations on implied 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 your JL AUDIO product All warranty returns should be sent to JL AUDI...

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