Rockford Fosgate 125.2, 75.2, 55.2, 225.2 manual Practice Safe Sound

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Dear Customer,

Congratulations on your purchase of the world's finest brand of car audio amplifiers. At Rockford Fosgate we are fanatics about musical reproduction at its best, and we are pleased you chose our product. Through years of engineering expertise, hand craftsman- ship and critical testing procedures, we have created a wide range of products that reproduce music with all the clarity and richness you deserve.

For maximum performance we recommend you have your new Rockford Fosgate product installed by an Authorized Rockford Fosgate Dealer, as we provide specialized training through Rockford Technical Training Institute (RTTI). Please read your warranty and retain your receipt and original carton for possible future use.

Great product and competent installations are only a piece of the puzzle when it comes to your system. Make sure that your installer is using 100% authentic installation accessories from Connecting Punch in your installation. Connecting Punch has everything from RCA cables and speaker wire to Power line and battery connectors. Insist on it! After all, your new system deserves nothing but the best.

To add the finishing touch to your new Rockford Fosgate image order your Rockford wearables, which include everything from T-shirts and jackets to hats and sunglasses.

To get a free brochure on Rockford Fosgate products and Rockford accessories, in the U.S. call 602-967-3565 or FAX 602-967-8132. For all other countries, call +001-602- 967-3565 or FAX +001-602-967-8132.

PRACTICE SAFE SOUND™

CONTINUOUS EXPOSURE TO SOUND PRESSURE LEVELS OVER 100dB MAY CAUSE PERMANENT HEARING LOSS. HIGH POWERED AUTOSOUND SYSTEMS MAY PRODUCE SOUND PRESSURE LEVELS WELL OVER 130dB. USE COMMON SENSE AND PRACTICE SAFE SOUND.

If, after reading your manual, you still have questions regarding this product, we recommend that you see your Rockford Fosgate dealer. If you need further assistance, you can call us direct at 1-800-669-9899. Be sure to have your serial number, model number and date of purchase available when you call.

The serial number can be found on the outside of the box. Please record it in the space provided below as your permanent record. This will serve as verification of your factory warranty and may become useful in recovering your amplifier if it is ever stolen.

Serial Number: ________________________________

Model Number: ________________________________

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Contents Punch Practice Safe Sound Table of Contents T T I N G S T a R T E DPunch Amplifier Accessory Pack T R O D U C T I O NTechnical Design Features TransanaDSM Discrete Surface Mount Technology Mosfet Devices Design Features P L I F I E R Installation Considerations Passenger Compartment Mounting Mounting LocationTrunk Mounting Engine Compartment MountingBattery and Charging Wiring the SystemPunch 55.2, 75.2 PunchPage Using Passive Crossovers Table of Crossover Component Values Ohms7234 = R in kΩ for .022μf cap Using the Xcard3386 Resistor Chart Butterworth Alignment Q =Installation Power ConnectionsStereo Operation Mono Operation Stereo/Mono Operation System Diagrams Way System Way System Way System w/Fadable Rear Stage 80Hz HP 12dB/octave HPRockford Fosgate Accessories Energy Storage CapacitorsXCard Crossovers Troubleshooting Symptom Diagnosis RemedySpeaker Output Symptom Engine NoiseMusic Dynamic Power MeasurementsAbout the Dynamic Power Measurements Listening to Loudspeakers Not ResistorsWhat is an Amplifier? Information CubedE C I F I C AT I O N S Dimensions 95/8 24.4cm W Limited Warranty Information Length of WarrantyPage Instalacion Montaje en el MalateroMontaje en el Compartimento de Pasajeros Terminal B+Funcionamiento Estereo/Mono Terminal GNDTerminal REM No llevar a masa ningun cable de altavozMontage dans lhabitacle InstallationMontage dans le coffre Opération stéréo/mono tri mode FrançaisEinbau Im FahrzeugkofferraumAuf der Beifahrerseite + AnschluβGND Anschluβ REM AnschluβNellabitacolo InstallazioneNel Bagagliaio Terminale B+ cavo positivoTerminale GND cavo negativo Terminale REM Consenso di accensioneNo T E S No T E S Made in the USA

225.2, 125.2, 55.2, 75.2 specifications

Rockford Fosgate has long been recognized for delivering high-quality audio solutions for car enthusiasts, and the 225.2, 125.2, 55.2, and 75.2 amplifiers are no exception. These amplifiers cater to various audio needs, whether you are looking to enhance the sound quality in your vehicle or set up a full-fledged audio system.

The Rockford Fosgate 225.2 is a powerful two-channel amplifier that offers a maximum power output of 225 watts. It features a MOSFET power supply, providing excellent efficiency and reliability under load. The 225.2 also includes a low-pass filter and built-in crossover, enabling users to tailor the sound to fit specific audio preferences by adjusting the frequency response. Its sleek design and durable construction ensure it can withstand the demands of a mobile environment.

Meanwhile, the 125.2 amplifier is designed for those who want a compact yet powerful audio solution. This two-channel amplifier delivers 125 watts of peak power and incorporates advanced technologies such as a high-level input, allowing for easy integration into factory systems. The 125.2 also features adjustable bass boost to enhance low-frequency performance, making it an attractive choice for those who enjoy bass-heavy music genres.

On the other hand, the Rockford Fosgate 55.2 amplifier is a more compact offering. Despite its smaller size, it provides impressive sound quality and power output of 55 watts per channel. Ideal for adding an extra punch to factory speakers, the 55.2 utilizes a low-impedance design to maximize efficiency. It is particularly well-suited for entry-level audio systems, making it accessible for those just starting in car audio.

Lastly, the 75.2 amplifier strikes a balance between size, power, and versatility, delivering 75 watts per channel. With features like thermal and overload protection, the 75.2 ensures both safety and performance under stress. The compact form factor makes it easy to install in various vehicle models without sacrificing audio quality.

All of these amplifiers showcase Rockford Fosgate's commitment to sound quality, durability, and user-friendly design. Each model incorporates technologies that enhance performance while offering flexibility for customization, making them excellent choices for car audio enthusiasts looking to elevate their listening experience. Whether you need a compact solution for upgraded sound or a powerhouse for a full system, Rockford Fosgate has options that cater to every need.