MAM 45 is a 2-way acoustic system that incorporates a 6.5" transducer and one 1" tweeter. The system is self-amplified by 20W Class D amplifier located on the rear part. It integrates Bluetooth connectivity. Also, it incorporates a MIC/LINE input and a wireless receiver on the VHF band with a hand microphone also included. MAM 45 integrates a rechargeable battery that allows to carry with it and play for hours with the system and in the rear part incorporates an USB connection to charge external devices from its battery. The device is made of ABS plastic with a metallic grille.