M-AUDIO Duo USB - Manual (Page 3)

Other aspects of the Duo, including use of the +4/-10 line level switches,
phantom power, etc., are also covered in depth. Also, be sure and check out the
section, “Optimizing Your Sytem for USB Audio,“ later in the manual. So, please
read on, and enjoy your Duo.
Duo Features
• 2 critically acclaimed DMP2 mic preamps with individual gain controls.
• Balanced/unbalanced line outputs on 1/4” TRS, unbalanced line
inputs on 1/4” TS.
• Preamps have maximum gain of 60dB with signal and clip indicator
LEDs per channel.
• S/PDIF digital output on gold-plated RCA jack.
• Headphone output with level control.
• 48V global phantom power with switch and indicator LED.
• 20dB pad available for each microphone input.
• Multitrack recording and mixing using the convenience of your USB port.
• PC drivers include Windows XP, 2000, ME and 98SE, ASIO, EASI
and WDM.
• Mac drivers include OS 9.1 and higher, Sound Manager, and ASIO.
Performance Specs:
• Dynamic Range (Direct Line In to Line Out): 105dB
• THD+N (Direct Line In to Line Out): <0.002%
• Dynamic Range (Mic In to Line Out): 107dB
• THD+N (Mic In to Line Out): <0.002%
Minimum System Requirements
Macintosh
• USB (native) equipped Mac G3.
• Mac OS 9.1 minimum.
• 64M available RAM for 44.1 or 48k operation, 128 recommended.
128M available RAM for 96k operation, 256M recommended.
Windows
• USB equipped Pentium.
• Windows 98SE or higher.
• 64M available RAM for 44.1k or 48k operation, 128 recommended.
Pentium 266 MHz MMX.
• 128M available RAM for 96k operation, 256M recommended.
Pentium II, 333 MHz.
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