Rockford Fosgate PUNCH 160.4 trans ana User Manual

56 pages

Questions and Answers:

M
Maurice ThomasAug 11, 2025
How to eliminate engine noise in my Rockford Fosgate PUNCH 160.4 trans ana Amplifier?
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  torreswilliamAug 11, 2025
  Engine noise in your Rockford Fosgate Amplifier can stem from several sources. Here's how to troubleshoot: * Check connections and reroute RCA cables away from high voltage sources if noise is radiating into them. * Inspect connections and bypass extra components to find bad components in the signal chain. * Reroute speaker cables away from high voltage sources if noise is radiating into them. * Check and connect amplifiers, signal processors, and other components to a central location or try a different grounding point on the chassis to avoid multiple grounds in the audio system. * If there is a ground loop between the source unit and antenna, disconnect the antenna and install an antenna ground loop isolator if the noise disappears.
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Ricardo LoganAug 17, 2025
Why are the rear channels not working on my Rockford Fosgate PUNCH 160.4 trans ana Amplifier (using 2 inputs)?
- B
  Brian GonzalesAug 17, 2025
  If you're experiencing no output on the rear channels of your Rockford Fosgate Amplifier while using 2 inputs, it could be due to: a signal input switch not configured properly (check the signal input switch and reconfigure for 2-channel input) or an XCard missing or not placed properly in the crossover slot (check XCard position and repair or replace as necessary).
D
Douglas StevensAug 23, 2025
Why is the Rockford Fosgate Amplifier speaker output low or distorted?
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  scottshellyAug 25, 2025
  Low or distorted speaker output from your Rockford Fosgate Amplifier can be due to several reasons: the input gain signal may be incorrectly set (readjust the input gains); the source unit output may be too low or have no output (check the system with a known working source); the XCard may be missing or improperly placed (check the XCard position); or there may be low battery voltage or large voltage drops to the amplifier under load (check the alternator, battery, fuse, and power and ground wiring and repair as necessary).
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Wendy SmithAug 28, 2025
What to do if my Rockford Fosgate PUNCH 160.4 trans ana makes a popping noise when turned on?
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  Kelly SmithAug 28, 2025
  A popping noise when turning on your Rockford Fosgate Amplifier may be due to a voltage spike. Try these solutions: Disconnect the input signal to the amplifier and turn it on and off. If the noise is gone, connect the REM lead of the amplifier to the source unit using a delay turn-on module. If the issue persists, the voltage spike may be coming from the remote turn-on lead. Try using a different 12-volt source for the amplifier's REM lead, like directly from the battery. If this resolves the noise, use a relay to isolate the amplifier from the noisy turn-on output.
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Terri BarnettSep 3, 2025
Why are the rear channels on my Rockford Fosgate Amplifier not fading (using 4 inputs)?
- S
  Steven PaulSep 3, 2025
  If the rear channels on your Rockford Fosgate Amplifier are not fading when using 4 inputs, the signal input switch might not be configured correctly. Check the signal input switch and reconfigure it for 4-channel input.

Rockford Fosgate PUNCH 160.4 trans ana Specifications

General

Channels	4
RMS Power at 4 Ohms	40W x 4
RMS Power at 2 Ohms	80W x 4
Bridged RMS Power at 4 Ohms	160W x 2
Total Harmonic Distortion (THD)	<0.05%
Frequency Response	20Hz - 20kHz
Crossover Slope	12dB/octave

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