Rockford Fosgate 4-CHANNEL AMPLIFIER owner manual Installation Considerations

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Input Connectors

Front & Rear

Summed

Pass-Thru

Connectors

The amplifier’s signal input, female, RCA jacks should be connected to the source unit’s signal outputs with high- quality RCA cables. The connectors have been plated in gold to eliminate the possibility of corrosion that can cause signal deterioration.

These pass-thru connectors allow you to daisy-chain an additional Punch amplifier without running an additional set of RCA cables from the front of the vehicle to the rear amplifier location. The crossover module in the Pass-Thru RCA circuit allows the daisy-chained amplifier to be con- figured independently of the Front and Rear channels for low pass, high pass or full range operation.

The Pass-Thru signal is derived by summing the Front Left and Rear Left inputs to create the Left output, and sum- ming the Front Right and Rear Right input to create the Right output. This provides constant output regardless of the source unit fade position.

INSTALLATION CONSIDERATIONS

This section focuses on some of the vehicle consider- ations for installing your new Punch 4-Channel amplifier. Checking your battery and current sound system, as well as pre-planning your system layout and best wiring routes will save installation time. When deciding how to lay out your new system, be sure that each component will be easily accessible for making adjustments.

Before beginning any installation, be sure to follow these simple rules:

1.Carefully read and understand the instructions before attempting to install the amplifier.

2.For easier assembly, we suggest you run all wires prior to mounting your amplifier in place.

3.Use only quality connectors for making connections. See your Authorized Rockford Fosgate Dealer for Perfect Interface wire enhancements.

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Contents DSM Practice Safe Sound Table of Contents Specifications Punch 4080DSM Punch 4040DSM Punch 4-CHANNEL Accessory Pack Introduction Top View of Amplifier and End Caps Controls and Features+/GND Power/REM/LED SideInput/Output Terminal Side Installation Considerations Battery and Charging Mounting and Location Wiring the PunchWire Strip back approximately 3/8 1cm of insulation Ground Remote Turn-on Input Page Page Speaker Impedance Table of Component ValuesActive Crossover Mode Selection Frequency Settings Bridged MONO/BI-AMPLIFIED Sample Wiring DiagramsChannel Bridged Stereo 4Ω Subwoofer BI-AMPLIFIED Stereo Channel with Bridged Subwoofer Channel with Subwoofer AMP Bridged Mono Solution TroubleshootingProblem Amplifier gets too hot Engine Noise Whine Listening to Loudspeakers Not Resistors Dynamic Power MeasurementsAbout the Dynamic Power Measurements MusicInformation Cubed Audio Graph The PowerCubeWhat is an Amplifier? Warranty Information Rockford Fosgate