The MicroPlayer is a flexible audio source which can be used as standalone unit, in integration projects or installation 19"racks thanks to its 1/3 rack format.

Some example of use:
• In public places, broadcast messages such as warnings, practical information, directions, assistance.
• Audio source for interactive kiosks and terminals
• On machine tools, play alarm messages on defective status detection.
• In theme parks, get talking animals to heckle passers-by.
• Multilingual broadcast of audio scenes in up to 15 languages.
• In museum, art galleries, get pictures, objects to talk and tell their story.
• In fun fairs, rides, play sound effects.
• Use one player per zone for varied  background music programs in hotels, fitness centres...
• Add sound to architectural models
etc…

Audio characteristics
• Reads MP3 files mono/stéréo (MPEG ½ layer 3), 44.1KHz / 48KHz, from 64kbit/s to 320kbits/s
• Reads CBR (Constant Bit Rate) and VBR (Variable Bit Rate) files
• Volume setting in 32 stepts from 00 to 31
• Setting of bass and treble from -12dB to +12dB in 1dB steps
• Audio stereo output on RCA connectors
• Audio amplified stereo output 2 x 20W (@4Ohms/14,4V) on terminal block

Audio output
• Voltage 12V - THD 10% - Charge 8 Ohms : 2 x 10W
• Voltage 12V - THD 0,5% - Charge 8 Ohms : 2 x 7,5W
• Voltage 14,4V - THD 10% - Charge 4 Ohms : 2 x 20W
• Voltage 14,4V - THD 0,5% - Charge 4 Ohms : 2 x 15W

SD Memory card
• Accept SD cards of minimum size 512Mo formatted in FAT32 only
• Handle long file names
• Handle 1000 directories at the root, of 1000 files maximum each

Interfacing
• 2 buttons for digital volume control Vol+ / Vol-), saved in internal memory
• LED status indicator
• Infrared sensor- Play, Stop, Next, Previous, call directories, Volume +, Volume -
Frame of 12 bits modulated at 38kHz
• USB 2.0 Full Speed (12Mb), standard pilot «mass storage», connector type A
• Serial link RS232 - 19200 bauds, 8, N, 1, no flux control
• 4 digital inputs opto-coupled on connector Phoenix 3.81mm
• Power supply connector for carrying forward

Directory trigger by
• 4 inputs (15 first directories, 001 – 015). Bounce management 100ms fixed
• RS232 reception protocol (up to 1000 directories)
• Infrared remote control 16 keys maximum (16 directories amongst 1000)

Encryption
• Compatible with the encryption tool v1 or v2. On demand

Optional configuration file: 'config.txt'
• Player identification • Low power mode • Autoplay mode • Starting directory on powering on • Volume,
bass, treble • Mode surveillance or Daisy Chain • Infrared remote control

'Low Power' mode
• Consumption < 1mA
• Switch to this mode after a Stop or Play in single mode
• Wakes up on activation of one of the digital inputs

'Daisy Chain' mode
• Possibility to cascade up to 127 MicroPlayers or other MicroBox through the serial link, each player is
allocated an identification number
• Control of volume, Play, Stop, Next, Prev, Go to directories

'Surveillance' mode
• Mode surveillance to control correct operation of the player: status, action reporting (volume modification,
activated input), functioning report.

Power Supply
• Nominal voltage : 12V DC
• Supply range: 10V to 15V DC

12V supply consumption:
• Stand by: 62mA
• Playing (output on line level - amplified output not used): 132mA
• Playing - amplifier to its maximum under 8 Ohms: 3A
• Low power mode: <1mA

Size
• Width: 142mm (1/3 rack) - Height: 43mm
• Depth without connectors: 75mm - Depth with connectors: 85mm

Weight: 190g

• 19" Rack mount - Deep 120mm

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• Front plate for rack mount

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• PSU GS40A12-P1J (amplified output)

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• PSU NL120P050P (line output)

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• 15 inputs extention board

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Front face :	Rear face :	Rack :

PDF documentations :

MicroPlayer - English version