Ralph’s Radio has been in the car audio business for what seems like an eternity – our roots trace back to 1949. What … Read More...
Upgrading Car Audio Systems with Data Bus Interfaces
As vehicle manufacturers work to reduce the number of wires that need to be run in a vehicle, more and more have switched to using the vehicle data bus to control amplifiers. Using data commands in … [Read more...]
OEM Audio 101: Does It Matter if My Factory Radio Has All-Pass Filters?
If you’re planning on having someone upgrade the stereo system in a late-model car or truck, you need to know about all-pass filters. Sometimes called phase EQ or phase rotator filters, this type of … [Read more...]
DSP 101: Input Connections and Signal Mixing
When it comes to feeding a signal into a digital signal processor, most high-quality units provide your installer with a few options. While even the most basic include RCA inputs, some add the ability … [Read more...]
Product Spotlight: Rockford Fosgate P300-10T Powered Subwoofer
Adding great bass to your truck’s audio system is easy with the Rockford Fosgate P300-10T powered subwoofer enclosure. This 10-inch bass upgrade system includes a Punch 10-inch subwoofer installed in … [Read more...]
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