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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 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).

JL AUDIO 

500/1 

monoblock subwoofer amplifier

o w n e r ’ s   m a n u a l

Summary of Contents for 500/1

Page 1: ...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...

Page 2: ...mets and loom where appropriate Do not mount the amplifier in the engine compartment under the vehicle on the roof or in any other area that will expose the amplifier circuitry to the elements JL AUDI...

Page 3: ...DIO 500 1 5 PRODUCT DESCRIPTION The JL Audio 500 1 is a monoblock subwoofer amplifier utilizing proprietary and patented Class D technology Its frequency response is limited to the range below 250 Hz...

Page 4: ...ortion and possible speaker damage IMPORTANT JL AUDIO 500 1 7 TURN ON OPTIONS The 500 1 can be turned on and off using two different methods 1 A conventional 12V remote turn on lead 2 A signal sensing...

Page 5: ...the filter frequency with a higher level of precision consult Appendix A Chart A 4 page 13 of this manual JL AUDIO 500 1 9 CROSSOVER CONTROLS Crossovers are groups of individual electronic filters whi...

Page 6: ...30 PM Eastern Time Monday Friday JL AUDIO 500 1 11 The Boost control determines how much boost in dB you are adding to the bass signal A range of 0 15dB of boost is available The Remote Bass Port all...

Page 7: ...24 80 78 25 82 26 86 27 90 28 95 29 100 100 30 107 31 113 32 122 33 131 34 143 35 156 36 200 169 37 186 38 192 39 197 Full clockwise 197 CHART A 3 INFRASONIC FILTER Detent Panel Actual Number Marking...

Page 8: ...tage to Low and turn the Input Sens control on the amplifier all the way down 4 Set the source unit volume to 3 4 of full volume If the amplifier is being driven by a source unit s dedicated subwoofer...

Page 9: ...g its own speaker system but controlled by the processing and filtering of only one amplifier This is very useful when driving multiple subwoofers with multiple amplifiers To create a Master Slave con...

Page 10: ...nections as explained above continued on next page MY AMPLIFIER DOESN TTURN ON Check to make sure there is 12V at the Remote connection of the amplifier In some cases the turn on lead from the source...

Page 11: ...ley filter with continuously variable cutoff frequency selection from 40 200 Hz defeatable ADVANCED BASS CONTROL SECTION Parametric EQ Single band fully parametric equalizer with Q adjustment from 0 5...

Page 12: ...JL AUDIO 500 1 23 22 JL AUDIO 500 1 JL AUDIO 500 1 monoblock subwoofer amplifier 12VDC Ground Remote INSTALLATION NOTES Use this diagram to document your amplifier s switch and control positions...

Page 13: ...ed 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 you...

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