MP3 format messages player module to be installed in the AXD series amplifiers, with storing capacity of up to 255 messages. In the AXD series amplifiers priority system, the MP3 format messages have priority over the rest of inputs except the Emergency one and they are not affected by the gene ral volume. The messages are activated by remote control by means of contacts, either directly (8 messages) or by binary codes (255 messages). The front panel also allows the messages reproduction.