USB-2.5 USB/AAC/MP3 Adapter

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Specifications: USB-2.5

Package Contents:            USB-2.5 module

                                             USB micro-B to A cable

                                             Mounting hardware

                                             Optional Pushbutton with status LED

USB Interface:*

SDP/CDP/DCP:                    USB 2.0 (1.0 and 1.1 compatible)

Max charging current:           2A

Connector:                            Standard USB A Female

File System:

Supported Formats:              FAT12, FAT16, FAT32; MBR Primary partition only

Maximum Hierarchal:            2


Maximum Root Folders:        250

Total SubFolders:                  2000

Maximum Files/Folder:          250

Total Files:                             65,534

AAC Decoder:

Supported Layers:                 MPEG2-AAC-LC-


File types supported:             .aac .m4a  (DRM protected .m4p files are not supported)

Maximum Rate:                      48kHz / 320kb/s

Minimum Rate:                       8kHz / 8kb/s

MP3 Decoder:

Supported Layers:                 MPEG1.0, MPEG2.0, MPEG2.5*  (Layer III)

File types supported:             .mp3

Maximum Rate:                     48kHz MPEG1.5 /320kb/s

                                              24kHz MPEG2.5 / 160kb/s

                                              12kHz MPEG2.5 / 160kb/s

Minimum Rate:                      32kHz MPEG1.0 / 32kb/s

                                              16kHz MPEG2.0 / 8kb/s

                                              8kHz MPEG2.5 / 8kb/s

Ogg Vorbis Decoder:

File types supported:             .ogg

Maximum Rate:                     48kHz / 320kb/s

Minimum Rate:                      8kHz / 8kb/s

FLAC Decoder:

File types supported:             .flac

Maximum Rate:                     48kHz / 1000kb/s

Minimum Rate:                      8kHz / 8kb/s

Auxiliary Output:

Output Level:                        -6dBV nominal level

                                             0dBV maximum without clipping

Audio Response:                  20Hz-20kHz  +/-3dB

Withstand Voltage:               +/- 24V max

Seek Output:

Output Impedance:               1K Ohm typical

Voltage Swing:                      3.3V no load


Dimensions:                          1.30”W X 1.30”D X 0.35”H

                                              (33mm X 33mm X 9mm)

Power Requirements:           6.0V to 8.5Vdc range

                                                 ~15ma idle

                                                 810ma maximum @ 14.4V (when charging @ 2A)

Humidity:                               10% - 90% non-condensing

Temperature:                         -40C to +65C ambient (-40F to +150F) Operating

                                               -40C to +125C ambient (-40F to +257F) Storage

At Aurora Design we are understandably proud to list

all our specs for your evaluation.

The design, features and quality of our products speak for themselves!

Designed and built in the USA

All specifications subject to change.

*MPEG2.5 is not a standard format.

AAC used under license from VIA Licensing