Duet 2 (USB): General

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The serial number for Duet (FireWire), Duet 2 (USB), or Duet for iPad/Mac can be found on the backside of the unit or on the box.

• Duet for iPad/Mac, the number will begin with B9N
• Duet 2, the number will begin with DTAB.
• First generation Duet (Firewire), the number will begin with DU

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• Open Maestro 2 (found in your Mac's application folder) and click on the “Apogee Maestro 2″ menu in the upper left-hand corner of the desktop menu bar
• select “About Maestro 2″. This will bring up a window showing you which version you have installed (see example below)

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No. Duet 2, the original ONE , Duet FireWire, Symphony I/O and Ensemble are Mac only products and are not supported with iPad, iPhone, or iPod Touch.  They simply were not designed with the hardware needed to properly work with these iOS devices. At the time they were developed, the technology required was not available. Duet for iPad & Mac, ONE for iPad & Mac and Quartet for iPad & Mac were designed specifically for iOS and Mac connectivity. This required extensive circuit redesign and development to met these criteria:

• iOS device charging - These products charge iPad (or iOS device) when in use
• Direct digital connection meeting Apple’s MFi standards
• Native software control with Apogee Maestro for iOS
• Apogee sound quality without compromise - (This required adequate power)

These features make Duet for iPad & Mac, ONE for iPad & Mac and Quartet for iPad & Mac truly professional devices designed for iOS recording. Other audio interfaces without this technology (including Apogee products) can be adapted to connect via Camera kit to iOS devices but they do not offer the same professional performance and features customers should expect from a pro interface.  Examples of these professional features include the ability to charge the iPad, software control of the hardware, and Apple's MFi certification.

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Yes! Duet 2 (USB) is fully compatible with Mac OS Mountain Lion (10.8). If Duet 2, May 2012 software was pre-installed before updating to OS X 10.8 Mountain Lion, it is not necessary to install any new Duet 2 software.   The Duet 2 July 2012 release Intended for first time Duet 2 installations on Mac OS X 10.7 Lion and 10.8 Mountain Lion. Download July 2012 Software Installer (Mountain Lion Compatible)    

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Using the low latency mixer found in the Apogee Maestro 2 application may help. Click on the mixer tab to configure it to your desired settings. Be sure to set your desired output to "mixer" on the output page.

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"Why would Apogee use USB rather than Firewire for its recent Mac audio products like Symphony I/O, Duet 2 and ONE?"

    Historically, Firewire has been the superior interface audio format on the Mac.  However, since the release of OS X 10.6.4, USB Audio is more stable, offers lower latency and provides the ability to connect your audio interface separate from an external audio hard drive on your Mac. Apple Logic configured at a 96kHz sampling rate and 64 buffer setting, Duet USB's analog in to analog out latency is 4.2 milliseconds, while Duet Firewire's latency is 5.3 milliseconds. Most audio software developers agree that recording audio to an external Firewire hard drive renders the best results. When the audio interface is connected to a different computer port than the audio drive, system performance is more stable. Thus, it's preferable to use a Firewire hard drive and a USB audio interface.  

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Yes! Duet 2 works with Reason, Cubase, Ableton, or any other Core Audio application on the Mac.

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Yes.  Duet 2's internal preamps offer an incredible 75dB of gain, which should be suitable for recording any ribbon microphones.

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Yes! Duet 2 appears as a Core Audio device on your Mac and is compatible with Pro Tools 9 and 10. Duet 2 is not compatible with Pro Tools 8 and lower, or Pro Tools LE.     See "Setting up Duet 2 (USB) with Avid Pro Tools 9" for more info

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