Hi, I am from Brazil/Amazonas, this is my bass! Can anyone help me about the woods? Thanks.

Hi, Aldo, I'm brazilian too (from Sampa). Welcome to the Club! You can ask for this using its serial number at:
 
 
 
Demora um pouco, ? verdade. Mas a Mica tem um registro de todos os Baixos que eles j? fabricaram. Com seu n?mero de s?rie, vc levanta esses dados f?cil (s? demora um pouco, pois ela n?o cuida s? disso nessa empresa familar). Boa sorte e bem vindo. M?rio Souza Lima

As all Essences, it certainly has Maple Neck with Walnut veneers and Mahogany Body. The question is what's the Top Wood? My bet is Bubinga...