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JBL  MARINE 

СНАРТЕR 2: INSTALLAТION AND WIRING 

What's in the Ьох: 
JBL Marine МА704 

1  amplifier 

Stainless steel mounting hardware 

Rubber inserts 

4 High-level input adapters 

2 spare fuses 

2 2-color brand stickers 

Quick start guide 

Precautions: 

JBL Marine МА4505 

1  amplifier 

Stainless steel mounting hardware 

Rubber inserts 

4 High-level input adapters 

3 spare fuses 

2 2-color brand stickers 

Quick start guide 

1 MPORTANT: Disconnect the vehicle's negative 

Н 

battery terminal before beginning the installation. 

• Always wear protective eyewear when using tools.

• Choose а safe mounting location, away from moisture. Check clearances оп both sides of а planned mounting surface. Ве sure that screws

or wires will not puncture brake lines, fuel lines, or wiring harnesses and that wire routing will not interfere with the safe vehicle

operation. Use caution when drilling or cutting in the mounting area.

• When making electrical connections, make sure they are secure and properly insulated.

• lf you must replace апу of the amplifier's fuses, use the same type of fuse and current rating as the original.

• То keep the amplifier cool, choose а location that provides good air circulation.

• Do not mount the amplifier with the heat sink facing downward, as this interferes with cooling.

• Mount the amplifier in an area protected from the outdoor environment where it will not Ье exposed to direct contact with the elements.

• Mount the amplifier so that it will not Ье damaged Ьу shifting cargo, and so that it remains dry.

• Using the amplifier as а template, mark the locations of the holes оп the mounting surface.

• Drill pilot holes in the mounting surface.

• Attach the amplifier to the mounting surface with four appropriate mounting screws (included).

NОП: You may find it more convenient to make all of the connections to the amplifier before you permanently mount it. 

Содержание JBL MA704

Страница 1: ...JBL Marine 704 4505 AMPLIFIERS MANUAL yHARMAN...

Страница 2: ...er important documents in order to expedite warranty service if needed ABOUTTHE MANUAL This manual describes general installation guidelines and operation instructions However please note that proper...

Страница 3: ...1 Power indicator 2 Protect indicator 3 Speaker output connectors 4 Fuses 5 Power input connectors 6 Front and rear inputs and outputs RCA 7 lnput level 8 Crossover filter selectors 9 Gain 1 Crossover...

Страница 4: ...U L by HARMAN R 1 PICTORIAL INDEX OF INPUT CONNEC IONS MARINE Amplifier top panel MARINE Amplifier front panel MARINE Amplifier back panel PREO J REAR FRONT...

Страница 5: ...le operation Use caution when drilling or cutting in the mounting area When making electrical connections make sure they are secure and properly insulated lf you must replace of the amplifier s fuses...

Страница 6: ...nals observing proper polarity connect each speaker s positive lead to the appropriate positive terminal and negative lead to the appropriate negative terminal The 704 features Front L L R and R termi...

Страница 7: ...r R terminal Left Front speaker Right Front speaker 10001 4 ohm subwoofer or high power speaker 0 2 channel bridged operation Connect speaker s lead to the Front L terminal and the lead to the Front R...

Страница 8: ...negative lead to the terminal 4 ohm subwoofer Left front speaker Right front speaker J Left rear speaker Right rear speaker 0 3 channel front and rear bridged operation Connect speaker s lead to the...

Страница 9: ...paint from the vehicle chassis and connect with bolt and star washer below the ring terminal for secure connection Remote Connect 20 gauge wire from the Remote Out lead of the source unit to the REM...

Страница 10: ...tant The 12 setting should never used when the amplifier is connected to aftermarket head unit s line level RCA type outputs 8 Grossover filter selectors X OVER Crossover filter seIectors LP Low pass...

Страница 11: ...e this setting if you are connecting subwoofer s or want to provide low pass filter for separate mid bass speakers FULL Full range Choose this setting if you are connecting full range speakers and are...

Страница 12: ...n Check voltages at amplifier terminals with V0M PROBLEM No audio and R INDICAT0R flashes every 4 seconds CAUSE and S0LUTION DC voltage amplifier output Amplifier may need service see enclosed warrant...

Страница 13: ...stall an alternator noise filter on power line between battery and alternator Check ground connections the amplifier since loose or improper ground is of the main causes for extraneous noise in your a...

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