In 2015, Driving Sounds Magazine reviewed the then new Audison bit Play HD, hi res music server for the car. At the time, HD music (now known almost universally as “hi res”) was very new to the automotive world and so an explanatory article called “CD vs HD-audio” was included in the same issue of […]

Collecting the audio signals we need to build a car hifi system is not necessarily as easy as it once was. Although much can be done by simply grabbing a left and right signal from the head unit, many OEM systems are quite complex. A move among car manufacturers to multi-speaker systems and on board […]

Audio Complement To BMW M3 Performance Thanks to Graham Hopkins’ commitment to upgraded car audio I was able to experience the pristine highs and strong lows of his perfectly balanced system, which adds a new element of pleasure to the inherent performance of this magnificent beast. I am often finding myself in a position where […]

Car speakers come in all shapes and sizes and more importantly for some, prices! It is very easy for consumers to misunderstand speaker pricing and its relationship to performance when attempting to find the perfect pair for their own car. One would like to believe that manufacturers of speakers are honest and use a standard […]

Damping Factor in Car Audio Systems Damping Factor DF is: DF=Zload/Zsource (Wikipedia) Many amplifiers carry a number for “Damping Factor” in their list of often unintelligible specifications. If you are of a mind to look at these when selecting an amplifier, how do you know what to go for? Is a high number better than […]

Car Signal Processing – AudioControl’s Approach American innovator AudioControl has operated in all fields of audio excellence for over 40 years now. Consistently delivering in car solutions that help installers to establish good sound in a very tricky environment. A new range of digital signal processing products represents the pinnacle of their technological capabilities. The DM-810 and […]

Digital Audio in a car is a wonderful thing when rendered properly. Just like analogue audio, digital audio signals can be affected by system losses. The loss takes a slightly different form as it is bits that are dropped which can have a subtle but very real affect on the resulting sound. In the early […]

BMW Cars Deserve Beautiful Sound Systems Exhibit A above is a BMW original under seat 6.5inch woofer. It is designed to save space and produce as much bass as is possible from its position under the front seats of a BMW car. They also come in 8″ versions dependent on trim levels. They are clearly […]

Stop That Noise! Sound Deadening For Car Audio Applications A car offers many challenges to the music lover. Apart from the rubbish equipment fitted as standard and passed off as “in car entertainment” there are challenges associated with the afterthought positioning of the speakers to contend with too. However, one of the most basic of […]

Sub bass in the car – Is any better than none? With many brands vying for your subwoofer budget, it would be easy to be overwhelmed and end up buying based on price alone. This would be a huge error as not all sub bass is good and in fact some is just dreadful. Here […]