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Manafacture: Rockford Fosgate File size: 726.13 kb File name: 44ddafa9-9695-4fe6-920a-55b552b860e2.pdf Language of manual:

. . . . . . . . . . . . . . . . . . . . . . . 2 Safety Instructions . . . . . . . . . . . . . . . . . . . 3 Design Features . . . . . . . . . . . . . . . . . . . . . 4 Installation . . . . . . . . . . . . . . . . . . . . . . . 5-9 Installation Considerations . . . . . . . . . . . 5 Mounting Locations. . . . . . . . . . . . . . . . 6 Battery and Charging. . . . . . . . . . . . . . . 6 Wiring the System. . . . . . . . . . . . . . . . . 6 Using Passive Crossovers. . . . . . . . . . . . 9 Remote Punch Bass. . . . . . . . . . . . . . . . 9 Operation. . . . . . . . . . . . . . . . . . . . . . . . . 10 Adjusting Gain . . . . . . . . . . . . . . . . . . 10 Adjusting Crossover Frequency . . . . . . 10 Troubleshooting . . . . . . . . . . . . . . . . . . . . 11 Accessories. . . . . . . . . . . . . . . . . . . . . . . . 11 Specifications. . . . . . . . . . . . . . . . . . . . . . 12 Limited Warranty Information. . . . . . . . . . 13 International Instructions . . . . . . . . . . . . . 14 NOTE: Review each section for more detailed information. GETTING STARTED Welcome to Rockford Fosgate! This manual is designed to provide information for the owner, salesperson and installer. For those of you who want quick information on how to install this product, please turn to the Installation Section of this manual. Other information can be located by using the Table of Contents. We, at Rockford Fosgate, have worked very hard to make sure all the information in this manual is current. But, as we are constantly finding new ways to improve our product, this information is subject to change without notice. SAFETY INSTRUCTIONS ! ! ! This symbol with “WARNING” is intended to alert the user to the presence of important instructions. Failure to heed the instructions will result in severe injury or death. This symbol with “CAUTION” is intended to alert the user to the presence of important instructions. Failure to heed the instructions can result in injury or unit damage. CAUTION: To prevent injury and damage to the unit, please read and follow the instructions in this manual. We want you to have enjoyment from this system, not a headache. CAUTION If you feel unsure about installing this system yourself, have it installed by a qualified Rockford Fosgate technician. CAUTION Before installation, disconnect the battery negative (-) terminal to prevent damage to the unit, fire and/or possible injury. CONTENTS OF CARTON Either a Model 550X or 750X Power 4-Channel Amplifier Installation & Operation Manual Mounting Hardware Kit Remote Punch Bass Kit with Cord 1 3/32" Allen Wrench 1 9/64" Allen Wrench 1 Fuse Connector (550X Only) 1 50 Amp Fuse (550X) The hardware kit included with each amplifier contains the mounting hardware necessary to secure the amplifier to the vehicle and to attach the end caps to the amplifier. NOTE: Refer to the specifications section for recommended fuse sizes for Model 750X Visit our web site for the latest information on all Rockford products. DESIGN FEATURES 1 Power and Speaker Connection 423 4 5 67 768 9 10 10 11 1. LED Power Indicator – The LED illuminates when the unit is turned on. 2. REM Terminal – This spade terminal is used to remotely turn-on and turn-off the amplifier when +12V DC is applied. 3. Power Terminals – The power and ground connectors on the amplifier are gold-plated and will accommodate up to 4 AWG wire maximizing the input current capability of the amplifier. 4. Speaker Terminals – The heavy duty, gold-plated terminal block connectors (+ and –) will accept wire sizes from 8 AWG to 18 AWG. These gold-plated connectors are immune to corrosion that can cause signal deterioration. 5. Cast Aluminum Heatsink – The cast aluminum heatsink of the Power amplifier dissipates heat generated by the amplifier's circuitry. The inherent advantage of casting provides a 30% improvement of cooling over conventional extrusion heatsink designs. 6. Variable Crossover – The amplifiers have a built-in 24dB/octave Butterworth filter selectable for High-Pass (HP), All Pass (AP), or Low-Pass (LP) operation variable from 50Hz to 250Hz. 7. RCA Input Jacks – The industry standard RCA jacks provide an easy connection for signal level input. They are gold-plated to resist the signal degradation caused by corrosion. 8. Punch Bass – The Punch Bass control helps correct for acoustical deficiencies in the listening environment by helping produce full range sound without adding excessive boost.. The Punch Bass control is a narrow band adjustment at 45Hz variable from 0dB to + 18dB. Connection is made with a cable using RJ-45 and can be installed under the dash for remote control access. 9. Signal Input Switch – This switch allows the amplifier to be driven with either 2 or 4 pairs of inputs. 10. Gain Control – The input gain control is preset to match the output of most source units. It can be adjusted to match output levels from a variety of source units. 11. RCA Pass-Thru Jacks – The Pass-Thru provides a con...

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