I want to make a ultra directional speaker. This is comprised by an array of small ultrasonic transducers of this kind; https://www.murata.com/en-us/products/productdetail?partno=MA40S4S.
The idea is to use a carrier of the frequency of the transducer (40kHz in this case), modulated in amplitude with the audio signal, and send it to the power amplifier.
The question is what IC would be a good amplifier for, let's say, 100 pcs of these in parallel? Could I use a 'normal' Class D amplifier, like this one: www.ti.com/.../TAS5825P (I would replace the output inductors for resistors in this case)? or should I go for something like this one: https://www.ti.com/product/DRV5825P
or there is something completely different out there which is much better option?
Thanks in advance.