Active vs Passive Crossovers in Car Audio Systems When running component speakers, it is desirable to split frequencies appropriately to ensure best performance. In very simplistic terms, a large speaker is best at reproducing low frequency sounds while a small speaker is better suited to higher frequencies. Bringing the sound together coherently is a tricky […]
Wide open Spaces – Auditioning Car Audio Upgrades
Wide open Spaces – Auditioning Car Audio Upgrades There is no doubt that the past 5-6 years has seen a return to good quality sound. Many commercial opportunities have been exploited as a result and in particular car companies cashing in on the beautiful car stereo’s they can provide in return for the tick of […]
Hertz Mille Pro Car Speakers – What makes speakers sound good in a car?
Hertz Mille Pro Car Speakers – What makes speakers sound good in a car? Hertz Mille Pro speakers are gaining popularity and a reputation for providing unbelievable sound for the price but what makes them such great performers? Below we point toward some of the key design features that put these diamond performers at the […]
Audio Upgrade for Audi TT rescued from VW Golf
Audio Upgrade for Audi TT rescued from VW Golf. We always love to hear from those who have upgraded their car audio. Your stories really help when trying to convince other music lovers that there is musical enjoyment to be had from a properly installed audio upgrade. These always go well beyond what is served […]
Orca’s Porker
It is by no means unusual for us to receive high praise for the work carried out by our FOUR MASTER network. In this case, the customer concerned first made contact with us at Goodwood Festival of Speed in 2016 where he had a demonstration and picked up a copy of the very excellent Driving […]
Electric and Hybrid Car Audio Upgrades from Audison
Electric and Hybrid Car Audio Upgrades from Audison – Smart Power Management Small, compact, flexible and stacked full with technology, there is no doubt that the Audison Prima range of amplifiers lead the way in the world of OEM integrated aftermarket products. The Audison Prima 8.9bit pictured above sits at the pinnacle of this market, […]
DSP – Vital For Great Quality Car Audio Upgrades
DSP – Vital For Great Quality Car Audio Upgrades There are an increasing number of Digital Signal Processors (DSP) on the market these days. It would be a mistake to think of signal processing as a new thing however, and an even bigger one to think of DSP as a need created by product […]
Sub bass in the car – Is any better than none?
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 […]
Phase Distortion In Car Audio Systems – Timing is everything
Phase Distortion In Car Audio Systems – Timing is everything We have stated many times that music and sound is a very complex amalgamation of art and physics. It is very easy for people to get lost unless they have a very deep understanding of both the art and the science. However, most people simply […]
Ample room for a car amplfier
Car Amplifiers are many and varied in size, performance and cost. Here we look a few good examples with the help f our good friends at Driving Sounds Magazine – www.drivingsounds.co.uk


