M-Audio E N G L I S H, Introduction, What’s in the Box?, Transit USB Specifications, Minimum

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Introduction

Thanks for choosing the Transit USB by M-Audio. Transit USB is your compact, professional audio solution for any Windows or Macintosh computer*, using the convenience of USB connectivity – no need to disassemble your computer, no bulky external power supplies. Transit USB gives you full 24 bit digital audio at sampling rates from 8 kHz to 96 kHz, with the flexibility of both analog and optical digital connectors in a lightweight form factor you can carry with you anywhere.

Please take the time to read this concise Users’ Guide. It will explain how to install the Transit USB on your computer, and tell you how to get the best performance out of your Transit USB audio interface.

* must meet minimum system requirements

What’s in the Box?

The following items are included with your Transit USB:

•Transit USB audio interface

•One (1) standard USB cable

•One (1) TOSLink to 1/8” Optical plug adapter

•M-Audio Driver CD (includes driver installation software)

•Users’ Guide and Warranty Card

Transit USB Specifications

Product and Operational Features:

•Single USB 1.1 connection for input and output

•S/PDIF 1/8” mini Optical In or 1/8” mini Analog Mic/Line In

•S/PDIF optical out and 1/8” mini Analog Line Out

•Sleek, slim plastic case with blue power LED.

•Completely USB powered (no power supply needed)

•One year warranty

Technical Features:

•Supports the following sampling frequencies (in Hz): 8000, 9600, 11025, 12000, 16000, 22050, 24000, 32000, 44100, 48000, 88200*, 96000

•Supports 16-bit and 24-bit Linear PCM I/O, and 16-bit AC-3 Output over S/PDIF TOSLink

•Supports the following audio protocols:ASIO,WDM, MME, SoundManager, CoreAudio

•Unique hybrid optical/analog input jack automatically detects whether input is analog or optical digital

•1/8” mic input provides power for electret condenser mics

•software-controlled input and output levels, using standard Windows or MacOS volume controls

Audio Performance Specifications:

•Input: Dynamic Range 100 dB (typical –60 dB input,A-weighted);

Signal-to-Noise Ratio 100 dB (typical,A-weighted); THD+N –90 dB = 0.00316% (typical)

•Output: Dynamic Range 104 dB (typical –60 dB input, A-weighted); Signal-to-Noise Ratio 104 dB (typical,A-weighted); THD+N –94 dB = 0.00316% (typical)

*Transit USB does not support analog recording at 88200 Hz.

System Requirements,Windows:

Minimum:
•	Pentium II 350 MHz	•	64 MB RAM
•	CD-ROM drive	•	Available USB 1.1 port

•Windows 98SE, ME, 2000 or XP

Recommended:
• Pentium III 500 MHz or faster	• 128 MB RAM or more

•DVD-ROM drive and DVD player application (for Dolby Digital playback)

• Available USB 1.1 port • Windows 98SE, ME, 2000 or XP

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