A dashcam is a compact camera system designed with automotive-specific features to capture video of everything that happens in front of your car or truck. The video files from a dashcam can protect you from fraud or false accusations in the event of an accident. Let’s take a look at some of the most popular […]
Understanding Specifications: Operating Voltage Tolerances and Protection Circuits
To close out our series of educational articles on amplifier specifications, we are going to talk about operating voltage limits and, by association, the protection circuits built into a car audio amplifier. In the good old days of electrical systems that were composed of an alternator, battery, switches and a couple of relays, delivering a […]
Car Audio Amplifier Remote Control Options
If you are thinking about having your local mobile enhancement retailer add a subwoofer amplifier to your car or truck, you may want to ask them about the remote level or bass boost control options that are available. Being able to adjust the amount of bass your system produces from the driver’s seat allows you […]
Tools of the Trade: ProDemand Vehicle Information Service
Among the many tools that mobile enhancement technicians use, one of the most valuable is ProDemand from Mitchell1. If you’ve spent any time in the automotive service industry, you’ll recognize the classic brown-and-yellow Mitchell service books. The information in these paperbacks is now available to automotive and electronics technicians through a web interface. Let’s look […]
Understanding Specifications: Class AB Car Audio Amplifier Crossover Distortion
We are at our second-to-last article in our car audio amplifier specification series and this time, we are going to talk about Class AB amplifier crossover distortion. This distortion has nothing to do with the high- or low-pass filters built into your amplifier; it’s a problem with the very concept of the Class B amplifier […]
Understanding Replacement Automotive Headlight Bulb Color
Upgrading the headlight bulbs in your car or truck can dramatically improve your safety and the safety of other drivers, pedestrians and cyclists. Your local mobile enhancement retailer may offer high-quality HID or LED bulb upgrade kits in a variety of color temperature options. These colors typically vary from 3,000 to 12,000 K. The question […]
How Does a Car Audio Amplifier Work? – The Input Stage
It’s time to look at the input stage of how a modern car audio amplifier works. The input stage is responsible for interfacing with your radio and provides features like the gain control, crossovers, bass boost, remote level control and signal summing that your installer will use to make your stereo system sound great and […]
Why Can’t I Turn the Volume on My Factory Radio All the Way Up?
Whether the sound system in your car or truck is bone stock or upgraded with premium amplifiers, speakers and subwoofers, the system’s maximum volume may not directly coincide with turning the knob up all the way. The short and sweet of why this happens is something called gain overlap. This conscious and deliberate design decision […]
How Does a Car Audio Amplifier Work – The Power Supply
We’ve talked about car audio amplifier features and specifications at great length, but up to this point, we haven’t discussed how a car audio amplifier works. In this article, we’ll provide a simple overview of how the power supply in your mobile amplifier can take the 12 volts supplied by your electrical system and convert […]
Understanding Specifications: Car Audio Amplifier Distortion
As we slowly approach the end of our latest Understanding Specifications series, we want to take a look at car audio amplifier distortion ratings and explain what they mean. We should make it clear: No matter how or good or bad a piece of audio equipment is, every audio component adds some amount of distortion […]
