16 bit vs 24 bit-depth audio This topic is probably one of the most difficult to boil down for the lay person! Digital audio is a very complex and controversial business due to the apparent need to parameterise what is considered by many to be as psychological a phenomena as it is physics-based! An example […]

Already struggling with terminology? For those who are, I will start by telling you that “equalisation” is simply a posh term for tone control. Sometimes these appear as bass and treble on audio equipment but in a car, this is never adequate in order to tailor sound to match the listening environment. Graphic Equalisers Since […]

The Length The Width And The Breadth Of Sound Human ears are wonderful things and when combined with the brain are capable of tremendously precise feats of perception. As hunter gatherers, our ears allowed us to hear our dinner moving about in the primeval forests we hunted and not only hear it, but analyse how […]

Car Audio Class System – Size Matters When studying the technical features of a car amplifier, you will come across a strange parameter called “class”. A full explanation requires a good knowledge of how transistors work but here we try to give you a guide that may help you when comparing different products. Class A, class […]

As vehicle manufacturers continue to bury their car stereos deeply into the dashboard and beyond, the professional audio installer has had to find ways of taking the speaker outputs from these and making them suitable to feed into the line-level signal input of an amplifier. For those who have absolutely no idea what I am talking […]

Power Distribution in Car Audio Systems – Gotta Get Yourself Connected I = TP X 2/Vbatt In a previous blog we wrote about power measurements in a car audio system in an attempt to demystify this often misused and misquoted parameter. In so doing, we touched extremely briefly on the concept of power consumption as […]

What Watt is What for Car Audio? Car Speakers and Amplifiers are rated in Watts just like home audio. However, the world of home hi-fi has enjoyed far more discipline than car audio when it comes to technical specifications. Power rating is very important when matching an amplifier to a set of speakers. If the […]

MP3 Music Files are Fine for the Car Aren’t They? There are an increasingly baffling number of Audio file types around these days; MP3, WMA, WAV, Flac, Ogg Vorbis, AAC, AAC Lossless to name but a few.  Why? Well a lot has to do with a desire to carry more music around with us which […]

Choosing a great car audio installer. Car Audio Systems in cars are a major trend with vehicle owners and sometimes finding and choosing a great car audio installer can be difficult, so look no further than your local Four Masters they are all professional installers of great car audio and car security  with products from Hertz, Rainbow, […]

Car Audio Installation from Four Masters. Quality products from Hertz, Audison, Rainbow, Skinz sound deadening and more provide the best in sound quality for your vehicle. All of our staff are qualified in installation of all our car audio products and with a 3 year national warranty on both product and installation. Moving house? Your […]