Another experiment that I want to do (and I still bought the amplifier) is to use the MONO amplifier below. This amplifier is based on the TPA3116DA same of the first two channel amplifier above listed. On aliexpress it cost around 4$ each one. i bought four with the hope to replace the two mono ...

In order to replace the dual channel amplifier as I written before, I've tried another amplifier this time MONO. The idea is put two mono amplifier in one box. Ive chosen this amplifier below because its output sould be around 120w and the voltage power is 12v-24v. I bought it from ebay . This ...

I have tried 4 amplifier of this type 2 bought on aliexpress and other two bought from amazon :
https://ae01.alicdn.com/kf/S903263290ba747769c6865d82fe4d882O/TZT-DC-12V-24V-120W-2-TPA3116-D2-scheda-amplificatore-audio-di-potenza-digitale-a-doppio.jpg_.webp

The amplifier came from aliexpress they ...