M-Audio Duo panel is set to 16-bits, or when more than one stereo pair is selected for input or

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panel is set to 16-bits, or when more than one stereo pair is selected for input or

a selection. At the 24-Bit/Sample setting, both stereo input and output pairs are also available. The maximum sample rate will still be 48000 Hz.

With both stereo pairs enabled at a Bitwidth setting of 24-bits, the Duo will also operate as a 2x2 audio device. In this mode, the Duo is capable of 48kHz or 44.1kHz at either 24- or 16-bits, as set by the music program.

In the “Available Channel Sets” dropdown list, you may also select either”Channels 1&2 In” or “Channels 1&2 Out.” The Duo will perform at 96kHz sampling rate with any single stereo pair enabled, and with the 24-bit Sample Depth also selected. The Duo will not operate at 96kHz when the control

panel is set to 16-bits, or when more than one stereo pair is selected for input or

output. In the example below, “Channels 1&2 In” is available and “24-bit” Bitwidth is selected, with the Available Sampling Rates section showing 96000 Hz and 88200 Hz.

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Contents DUOTM TroubleshootingUsers Manuual 9V AC 1 Amp “Wall Wart” power supply IntroductionWhat’s in the Box? Quick Start GuideMacintosh Duo FeaturesMinimum System Requirements Performance SpecsFront Panel Back Panel The Duo is a Bottom of UnitBasic Theory of Operation FROMCubase Hardware & Software Installation on the PCWindows XP Installation Windows 2000 InstallationWindows 98 Second Edition Installation Windows ME InstallationHardware & Software Installation on the Mac Hooking up your USB Audio Duo Using the Input and Output Level Switches Setting the Gain Using the Mic InputsOperating the Duo in Standalone mode will give you three options Phantom PowerUsing the Pad Switch Standalone ModeDuo Operation on the PC The USB Audio Configuration ManagerThe Duo and the Windows Sound System ASIO/EASI Operation The Duo, MME, and Your Music Programthe latest software technology ASIO/EASI Control Panel and Operating Modes on the PC within your music program driver versions currently in use by the USB Audio Duopanel is set to 16-bits, or when more than one stereo pair is selected for input or Advanced Tab Duo Operation on the MacintoshThe Macintosh Sound Manager ASIO Control Panel and Operating Modes on the Mac ASIO Operation on the MacintoshPage Optimizing Your System for USB Audio Problem No sound TroubleshootingGather Important Information Use Midiman/M-Audio ResourcesAnalog Audio Appendix A - Technical SpecificationsDigital Audio DUO-010802 Limited Lifetime Warranty