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

E	Introduction
N	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
G	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
L	the flexibility of both analog and optical digital connectors in a lightweight form factor you
I	can carry with you anywhere.
	Please take the time to read this concise Users’ Guide. It will explain how to install the
S	Transit USB on your computer, and tell you how to get the best performance out of your
H	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 & 24-bit Linear PCM I/O, 16-bit AC-3 and 16-bit DTS 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

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

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)

System Requirements, Windows:
Minimum:		•	64 MB RAM
•	Pentium II 350 MHz
•	CD-ROM drive	•	Available USB 1.1 port
• Windows 98SE, Me, 2000 (SP4) or XP (SP1)
Recommended:			• 128 MB RAM or more
•	Pentium III 500 MHz or faster
•	DVD-ROM drive and DVD player application (for AC-3 & DTS pass-through)

E

N G L I S H

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