We have two class D amplifiers (TPA2008D2), by Texas Instruments. These amplifiers are to create a current corresponding to the Tension coming from the sound processor. The characteristic of this conversion is as follows:
Here are the main characteristics of this component:
The avantages of this kind of amplification are:
-Smaller, lighter desing

- Less energy loss thanks to the excellent Class D amplifiers.
- Less expensive thanks to compact circuitry
-Higher power convertion efficiency (better than class B & AB, 06 & 07) Less noise when switching
(in the first graph we see the efficiency based on output power and in the second we see distortion based on power, we note that after 1 W of power distortion goes up considerably)
-Very low energy consumption
Taking into account the components properties, we note that they are capable of producing an output signal equivalent to the proportions of input current.