The M3 system is the most flexible series of high fidelity, multi-channel solid state digital audio playback systems available to the industry. The system retrieves audio data from an SD Card memory and delivers superb full bandwidth sound quality.
M3.1 contains a single balanced stereo audio channel, 10 message input selections, and RS232
M3.1+1 contains dual balanced stereo audio channels, 10 message input selections each, and RS232
M3.1+2 contains a single balanced stereo audio channel, 20 message input selections, and RS232
• Balanced audio output • Internal SD card • Digital transfer via USB memory key • High speed USB 2.0 host port • Contact closure and RS-232 Control