The line D "class was born to the needs of our distributors / installers to have smaller size for" invisible systems. "Dual differential input to completely stop ground loops, so they are in any condition of use eliminated all noise generated by the control units of the car. New cooling "Ducted Air" system developed by our mechanical designers, which reduces the use of raw material (aluminum) by 80% by reducing the costs for those who buy the finished product. small size, yields greater than 80% chance of ignition with autosense, (arrival of the audio signal is switched on and off as soon as the audio signal goes away) entry opportunities with High Level, make that the new D "class line may avre applications on all new cars including electric. To date was impesabile to realize the class D amplifiers with timbral performance superior to the AB class, but with this new line we succeeded in full.