Since 1994, Mobile Edge in Lehighton has been a specialist in mobile electronics, and one of our growing categories … more
Explaining Audio Signal Phase and Polarity
Understanding how DC voltages combine is quite simple. They add linearly when we wire sources (like batteries) in series. But understanding how AC waveforms combine is complicated. AC waveforms don’t … [Read More...]
Explaining The Class SB Car Audio Amplifier
There will always be debates about whether a Class D amplifier can sound as good as a Class AB. We’ve proven that it all depends on who designs the amplifier. We also see mumblings about single-ended … [Read More...]
Product Spotlight: Sony XAV-AX8500 Multimedia Receiver
Floating-face car radios are popular because of their flexible installation options and relatively massive displays. The Sony team has been hard at work updating their products, and the new 10.1-inch … [Read More...]
Under-Seat Truck Subwoofers – Face Up or Down?
Over the last decade, the popularity of under-seat truck subwoofer upgrades has exploded. At least a … [Read More...]
Why Do Speakers and Subwoofers Sometimes Have CCAW Voice Coils?
You should be aware that copper-clad aluminum wire is the least-preferred option for connecting an … [Read More...]
What Happens When Using an Oversize Subwoofer Enclosure?
What happens when a subwoofer is used with an oversized subwoofer enclosure? This article will look … [Read More...]
Subwoofer Enclosure Terminals Cups and Connections
One thing common to every car audio subwoofer enclosure is that they need to connect to the … [Read More...]
Product Spotlight: Sony XS-W124GS and XS-W104GS Car Audio Subwoofers
Although talking about a trunk full of high-performance subwoofers powered by big amplifiers is fun, … [Read More...]
How Amplifiers Distribute Their Power to Multiple Car Audio Speakers
The concept of how car audio amplifiers distribute power to multiple speakers connected to the same … [Read More...]
The Art & Science of Custom Subwoofer Enclosures in Cars
What is a custom car audio subwoofer enclosure? Does it need to be wrapped in leather or vinyl? … [Read More...]
Headlight Bulb Upgrades: Part 5: Electrical Interference
As we continue our series on headlight bulb upgrades, it’s time to discuss electrical interference. … [Read More...]
Car Audio Crossover Slopes, Alignments and Summing
Car audio upgrades are much more complex than setting up speakers in your living room. They are, … [Read More...]
Headlight Bulb Upgrades: Part 4 – Headlight Bulb Type and Object Illumination
We’ve watched hundreds of videos on YouTube and read dozens of articles on headlight upgrades, yet … [Read More...]