JL Audio NexD M800/8v2 Owner'S Manual Download Page 1

owner’s manual

Remote

Level

Mode

All | 5- 8 | 7&8

Input Mode

2 Ch. | 4 Ch. | 8 Ch.

CH. 7

(L)

CH. 8

(R)

CH. 7 & 8

Filter Mode

Filter Freq. (Hz)

Input 

Sens.

Off | HP | LP

CH. 5

(L)

CH. 6

(R)

CH. 3

(L)

CH. 4

(R)

CH. 1

(L)

CH. 1 & 2

CH. 3 & 4

CH. 5 & 6

CH. 2

(R)

Filter Mode

Filter Freq. (Hz)

Input 

Sens.

Off | HP | LP

Filter Mode

Filter Freq. (Hz)

Input 

Sens.

Off | HP | LP

Filter Mode

Filter Freq. (Hz)

Input 

Sens.

Off | HP | LP

CH. 1

CH. 2

CH. 3

CH. 4

CH. 5

CH. 6

(L)

(R)

CH. 7

CH. 8

INPUT SEC

TION

+12 VDC

Ground

Remote

Turn-On

Mode

Rem. | Offset | Signal

Input Voltage

Low | High

2 Ch. Input 1 feeds CH. 1, CH. 3, CH. 5 & CH. 7

 

Input 2 feeds CH. 2, CH. 4, CH. 6 & CH. 8

4 Ch. Input 1 feeds CH. 1 & CH. 3 

 

Input 2 feeds CH. 2 & CH. 4 

 

Input 5 feeds CH. 5 & CH. 7 

 

Input 6 feeds CH. 6 & CH. 8

8 Ch.  Each input feeds its 

 

corresponding output channel

INPUT MODES:

Marine 8 Channel 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 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.

800W Marine 8 Channel Amplifier

Summary of Contents for NexD M800/8v2

Page 1: ...or 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 ens...

Page 2: ...aft Do not attempt to bridge the outputs of this amplifier with the outputs of a second amplifier including an identical one Planning Your Installation It is important that you take the time to read this manual and that you plan out your installation carefully The following are some considerations that you must take into account when planning your installation Cooling Efficiency Considerations The...

Page 3: ...n power wire use a 80A fuse MAXI big plastic body fuses are recommended Product Description The JL Audio M800 8v2 is an eight channel full range audio amplifier utilizing JL Audio NexD ultra high speed switching technology to deliver outstanding fidelity and efficiency The M800 8v2 can be operated with a wide variety of source units and system configurations Typical Installation Sequence The follo...

Page 4: ...osition on the Input Voltage switch selects an input sensitivity range between 800mV and 8V for all input channels This is useful for certain high output preamp level signals as well as speaker level output from source units and small amplifiers To use speaker level sources splice the speaker output wires of the source unit or small amplifier onto a pair of RCA cables or plugs or use the JL Audio ...

Page 5: ...6 will not Input Sensitivity Controls The controls labeled Input Sens located in each channel section can be used to match the source unit s output voltage to the input stage of each pair of amplifier channels for maximum clean output Rotating the control clockwise will result in higher sensitivity louder for a given input voltage Rotating the control counter clockwise will result in lower sensiti...

Page 6: ...n 2 ohms when using a stereo configuration and speaker loads equal to or greater than 4 ohms when using a bridged configuration Remote Level Control CH 5 L CH 6 R CH 3 L CH 4 R CH 1 L CH 2 R Bridged CH 7 L CH 8 R Bridged Bridged Bridged 6 CH 7 8 Speaker loads below 2 ohms nominal per channel or 4 ohms bridged are not recommended and may cause the amplifier to initiate a protection mode which reduc...

Page 7: ...itry in the JL Audio amplifiers 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 not covered in this manual please contact your d...

Page 8: ... set of channels 50 Hz for subwoofer channels 1 kHz for a midrange application Do not use attenuated test tones 10 dB 20 dB etc The Nine Step Procedure 1 Disconnect the speaker s from the amplifier s speaker output connectors 2 Turn off all processing bass treble loudness EQ etc on the source unit processors if used and amplifier Set fader control to center position and subwoofer level control to ...

Page 9: ...lume If you are reading sufficient voltage check your speaker connections as explained below Check to ensure that the speaker wires are making a good connection with the metal inside the terminal block The speaker wire connectors are designed to accept up to 8 AWG wire Make sure to strip the wire to allow for a sufficient connection with the metal inside the terminal block How do I properly set th...

Page 10: ...e Filter Freq Hz Input Sens Off HP LP Filter Mode Filter Freq Hz Input Sens Off HP LP Filter Mode Filter Freq Hz Input Sens Off HP LP CH 1 CH 2 CH 3 CH 4 CH 5 CH 6 L R CH 7 CH 8 INPUT SECTION 12 VDC Ground Remote Turn On Mode Rem Offset Signal Input Voltage Low High 2 Ch Input 1 feeds CH 1 CH 3 CH 5 CH 7 Input 2 feeds CH 2 CH 4 CH 6 CH 8 4 Ch Input 1 feeds CH 1 CH 3 Input 2 feeds CH 2 CH 4 Input 5...

Page 11: ... 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 AUDIO s Amplifier Service Facility freight prepaid through an authorized JL AUDIO ...

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