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  • MOT-8D

    MOTU 8D - AES3/SPDIF/USB/AVB-TSN audio-interface w/ DSP & Mixing

    The MOTU 8D is a half-rack USB/Ethernet AVB audio-interface with digital connectivity. It features AES3 - 4-channels over XLR connectors, and 4-channels of SPDIF. There is also word-clock I/O, headphone output and detailed LCD display. The MOTU 8D can be added/linked to any of the MOTU AVB interfaces to increase your I/O.


        Eight channels of digital audio I/O and conversion with SRC

        Four channels of professional AES3 (AES/EBU) digital I/O, plus four channels of standard S/PDIF digital audio I/O, with sample rate conversion on all inputs.

        Flexible, router, converter and splitter

        Send any input to any output, or split to multiple output channels. Convert any format to any other (AES3, S/PDIF, AVB-TSN and USB). Includes routing to and from the computer, plus any devices on the AVB-TSN network.

        Stand-alone operation with wireless control

        Connect a standard Wi-Fi router with a standard Ethernet cable for wireless control of device settings, routing/splitting, powerful 48-channel mixing and DSP effects.

        DSP mixing and effects processing

        Flexible 48-input digital mixer with 7 stereo aux busses, 3 stereo groups, access to 32 network inputs, and DSP effects, including reverb, 4-band EQ, gate and compression.

        Ultra-low latency and proven, high-performance MOTU drivers

        Universal connectivity over high-speed USB 2.0 (3.0 and iOS compatible) and AVB. Renowned drivers deliver industry-leading low latency and rock solid performance.

        Comprehensive metering

        The full-color LCD lets you view all signal activity at a glance with detailed metering for all I/O. Access hardware settings from a simple and convenient menu.

        Convenient headphone monitoring

        Assignable front-panel headphone output with volume control allows for monitoring of any stereo channel pair.

        Word clock I/O

        Standard word clock input and output for resolving to other digital audio gear or house sync.

        32-bit floating point processing

        The 8D's mixing and effects DSP engine delivers virtually unlimited headroom and the utmost in sound quality.

        Modeled vintage effects processing

        Classic reverb. Compression modeled after the legendary LA-2A compressor. EQ modeled after British analog console EQs.

        Web app control from any device

        Control everything from your favorite web browser on a laptop, tablet and smartphone connected to your local Wi-Fi network.

        System expansion

        Add a 2nd MOTU AVB-equipped interface with a simple CAT-5e ethernet cable. Connect up to five MOTU interfaces using a MOTU AVB Switch (sold separately).

        AVB-TSN audio networking

        Build a network with multiple interfaces and computers using standard AVB-TSN switches and network cabling, with ultra-low network latency, even over long cable runs (100 meters point to point). Stream hundreds of audio channels among devices and computers on the network.

        Audio analysis tools

        includes a full-screen real-time FFT display, spectrogram “waterfall” display, full-featured oscilloscope, X-Y plot and phase analyzer.


        Includes AudioDesk workstation software for Mac and Windows with 24-bit recording, sample-accurate editing and 32-bit mixing and mastering.


        Sample rates 44.1, 48, 88.2, 96, 176.4, 192 kHz
        Digital I/O 2x stereo AES3 (AES/EBU) on XLR male/female
        2x stereo S/PDIF on RCA
        Total I/O 8 in / 8 out (16 total) at 1x sample rates 
        8 in / 8 out (16 total) at 2x sample rates 
        n/a at 4x sample rates
        Computer I/O 1 x USB 2.0 audio class compliant 
              USB 3.0 and iOS compatible
        Computer I/O channels 64 in/out at 1x (44.1 to 48 kHz) 
        32 in/out at 2x (88.2 to 96 kHz) 
        24 in/out at 4x (176.4 to 192 kHz)
        Headphone 1 x 1/4" TRS stereo phone (assignable)
        Front panel 1 x 1/4" TRS headphone output 
        4x switches for menu navigation 
        160 x 128 RGB LCD for level meters / menu
        Power External 12-18V DC power supply 
        1.0A max • tip pos or neg
        and weight
        (width x depth x height, enclosure only) 
        8.6 x 7 x 1.75 inches 
        22 x 17.75 x 4.5 cm 
        2.0 lbs / 0.9 kg

        Mac System Requirements

        • 1 GHz Intel-based Mac or faster
        • 2 GB RAM; 4 GB or more recommended
        • Mac OS X version 10.8 or later
        • Available USB 2.0 or 3.0 port
        • A large hard drive (at least 500 GB for recording)

        Windows System Requirements

        • 1 GHz Pentium-based PC compatible or faster
        • 2 GB RAM; 4 GB or more recommended
        • Windows 7, 8 or 10
        • Available USB 2.0 or 3.0 port
        • A large hard drive (at least 500 GB for recording)

        Web App Support

        • Any web client platform: Mac, Windows, Linux, iOS, Android
        • Any web browser: Safari, Firefox, Chrome, Opera, Explorer, etc.

        Included Software

        • MOTU Discovery App for Mac & PC (finds connected MOTU interfaces)
        • MOTU Discovery App for iOS (available from Apple App Store)
        • MOTU Pro Audio Control web app (served from the hardware itself)
        • MOTU Audio Tools (FFT, oscilloscope, X-Y plot, phase analyzer)
        • AudioDesk 4.0 for Mac & PC (separate download)

        Operating Systems

        • For computer audio I/O: Mac OS X 10.8 or later; Windows 7 or later
        • For web app control: Mac, Windows, Linux, iOS, Android

        ** Please note, system requirements may change. For the most recent system requirements please visit the manufacturer's official product listing **

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