Not long ago, we looked at how an increase in subwoofer voice coil temperature reduced the power delivered from your amplifier. With component temperatures easily exceeding the boiling point of water, the impedance of the voice coil can increase by more than 50%. Manufacturers that understand this go to great lengths to include technologies to […]
Product Spotlight: Sony XAV-9500ES Mobile ES AV Receiver
Those seeking the ultimate performance from a car audio system know that the result will only be as good as what you start with. Decades ago, many companies offered high-end CD players. These days, your options are limited when it comes to genuinely high-performance car audio source units. If support for hi-res, an impressive 10.1-inch […]
Product Spotlight: Sony XS-163ES 3-Way Component Set
When it comes to speakers for the front of your car or truck, the flagship Sony XS-163ES three-way component set from the Mobile ES Series is an excellent choice. The set includes a pair of 6.5-inch woofers, a pair of 3.5-inch midrange drivers, two soft-dome 1-inch tweeters and matching passive crossovers. Sony has combined premium […]
A Quick Look at Bluetooth A2DP Sound Quality in a Car Audio System
We can’t count the number of times we’ve heard people say that listening to music over Bluetooth A2DP doesn’t sound as good as if you played a WAV file directly from a USB memory stick. So we fired up the Sony XAV-AX7000 multimedia receiver that we reviewed in late 2020 and made a series of […]
Product Spotlight: Sony XS-692ES 6×9” Mobile ES Component Speakers
Looking for new speakers for your car or truck that will deliver detailed sound and impressive output? Look no further than the Sony XS-692ES 6×9-inch two-way component speaker set from the Mobile ES series. Let’s examine what Sony has done to make this speaker set unique. Modern Component 6×9-inch Speaker Solution The Sony XS-692ES speaker […]
Let’s Talk About Bridging Multi-Channel Car Audio Amplifiers on Subs
A comment came up the other day that it was unwise to use all channels of a four-channel amplifier to power a pair of subwoofers. Not only is this incorrect, but this practice opens up several unique system designs and installation possibilities, especially where high-power requirements are necessary. Let’s dive in! Four-Channel Amplifiers Are Amazing! […]
Product Spotlight: Sony XS-W104ES Mobile ES Car Audio Subwoofer
When Sony relaunched the Mobile ES Series line of premium car audio products in 2021, the first subwoofer they announced was the XS-W104ES. This 10-inch subwoofer includes the performance-enhancing cone design, surround technologies and cooling innovations common to all speakers and subwoofers in the Mobile ES series. Let’s take a close look at the design […]
Car Audio Myths: Car Audio Amplifiers Can’t be Power Hungry
In a recent online discussion, someone stated that a car audio amplifier couldn’t be power-hungry. After the eye-twitching passed and our heart rates settled, we knew this was a perfect topic for our series on car audio myths. Let’s look at how amplifiers, specifically subwoofer amplifiers, make use of the power from your vehicle’s electrical […]
Can I Swap the Factory Subwoofer in My Car for Better Performance?
Every so often, someone asks if it’s a good idea to upgrade their factory-installed stereo system by swapping out the original subwoofer with a new one. We aren’t talking about building a new enclosure and adding a dedicated amplifier. They want to put a different 6-, 8- or 10-inch in the factory location and connect […]
What Are Speaker Power Compression and Subwoofer Box Rise?
In the car audio world, terms like subwoofer box rise and power compression are relatively familiar to those who push their sound systems to the limit. So, after extensive research (three minutes) and a detailed planning session (another two minutes), we decided that it would be worth doing an experiment to explain and quantify these […]