When it comes to ways to control the volume and tracking or seeking on a car radio, the three most popular options are rotary volume controls, pushbuttons and touchscreen interfaces. While many buyers focus on features like Bluetooth, Apple CarPlay, Android Auto and backup cameras when shopping, there’s more to consider. A key and often […]

There are two reasons why we’d want to upgrade the speakers in our vehicle: the original speakers may be damaged, or we want to improve the clarity of the audio system. In either case, you’re going to need to visit a local mobile enhancement retailer and choose a speaker solution that fits your vehicle, works […]

When it comes to upgrading a car audio system with a digital signal processor, you’ll typically hear about a discussion of signal delay. Maybe people refer to this as time alignment or setting the delays. No matter what term is used, understanding the benefits and drawbacks of this technology is crucial to creating a car […]

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 concert with digital or fixed-level audio signals also helps to ensure that these audio systems deliver noise-free performance. Finally, […]

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 signal processing is used in multichannel audio systems to help deliver improved frequency response at the listening position. The concept can […]

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 to accept speaker-level signals or digital signals in a variety of formats. Once an audio signal is inside the processor, the […]