T: 0151 707 4545

MOTU 24Ao - 24x48 I/O with 24 analog out,48-ch mixing, and AVB networking

£925.00 £770.83 (ex. vat)


  • MOTU 24Ao
  • MOTU 24Ao
  • MOTU 24Ao Rear


The MOTU 24Ao can be used as an audio interface, analog-to-digital converter, or as a standalone mixer. It combines 24 high-quality and balanced outputs with 3 ADAT optical outputs and offers a total of 72 channels (24 inputs and 48 outputs) in a single rack unit.

The analog / digital converter offers an enormous dynamic range; the internal mixer offers professional mixing console functions; The USB 2.0 port is client class compatible and can also be connected to USB 3.0 and iOS devices. The analog inputs are provided as multi-channel D-sub connectors and Phoenix. The integrated DSP mixer provides functions for 48 channels, 12 stereo busses, 32-bit floating point processing, modulated analog EQ, compression and Vintage Classic Reverb.

The internal routing very flexible - so any output can be connected to any input or inputs are split to multiple outputs. The 24Ao can be used as a standalone mixer - and be controlled directly from an iPad, iPhone, tablet, smartphone and laptop. A second AVB MOTU interface (24Ai, 1248, 8M or 16A) can easily be connected via a network cable. Even more devices can be connected via the optional MOTU AVB switch. Create an AVB network with multiple switches, a lower latency in milliseconds - even over long cable runs. Stream hundreds of channels between devices and computers across the network. From recording to mastering offers 24Ao best audio quality, ease of use and great performance.

MOTU 24Ao Features

  • 72 channels of simultaneous audio
  • 24 High-Quality, balanced analog outputs
  • 3 banks with multi-channel connectors (DB-25 D-Sub and Phoenix)
  • 3 ADAT optical banks of 8-channels - a total of 24 inputs and 48 outputs
  • Class Compliant USB 2.0 port (compatible with USB 3.0 and iOS)
  • Discovery App and Web-based software Bowser.
  • Built-in DSP mixer with functions for 48 channels
  • 12 stereo busses
  • 32-bit floating point processing
  • Modulated analog equalizer, vintage compression, gate and Classic Reverb.
  • System Expansion and audio network: connecting a second AVB MOTU interfaces (24Ai, 1248, 8M or 16A) via a CAT-5e ethernet cable. Connect up to 5 devices via the optional available MOTU AVB Switch
  • Flexible matrix for routing and splitting - each input can be any output or more
  • Outputs are sent, including to / from the computer and from / to any device in the AVB network

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 high-speed USB 2.0 or AVB Ethernet port*
  • A large hard drive (at least 500 GB for recording)
  • *AVB Ethernet audio interface operation requires OS X Yosemite


  • 1 GHz Pentium-based PC compatible or faster
  • 2 GB RAM; 4 GB or more recommended
  • Windows 7 or later
  • Available USB 2.0 or 3.0 port
  • Available Ethernet port for firmware updates
  • 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.
  • Web client must be connected to the same network as the MOTU AVB interface by wire or Wi-Fi.

Included Software

  • MOTU AVB Discovery App for Mac (finds connected MOTU interfaces)
  • MOTU AVB Discovery App for iOS (available from Apple App Store)
  • MOTU AVB Control web app (served from the hardware itself)
  • AudioDesk 4.0 for Mac and Windows (separate download)


  • Sample rates: 44.1, 48, 88.2, 96, 176.4, 192 kHz
  • Analog outputs:
    • 24 channels (balanced, DC coupled) 
    • 3x DB-25 D-sub and 6x 12-pin Phoenix 
  • Max level: +20 dBu (digitally adjustable -24 to 0 dB)
  • Digital I/O:
    • 3 banks (24 ch) of ADAT optical at 1x sample rates
    • 3 banks (12 ch) of SMUX optical at 2x sample rates
  • Total I/O:
      • 24 analog + 48 digital (72 total) at 1x rates 
    • 24 analog + 24 digital (48 total) at 2x rates 
      • 24 analog + 0 digital (24 total) at 4x rates
  • Computer I/O:
    • 1 x USB 2.0 audio class compliant - USB 3.0 and iOS compatible 
    • 1 x AVB Ethernet (requires OS X Yosemite)
  • Sync I/O:
    • 1 x word clock in 
    • 1 x word clock out
  • Front panel:
    • 5 x switches • menu navigation 
    • 324 x 24 pixel LCD for level meters / menu nav 
    • 1 x AC power switch
  • Power:
    • International 100-240V autoswitching supply 
    • 50-60 Hz - 0.5A max
Manufacturer MOTU
Model 24Ao
GTIN 0839128005952
Contact Us

Studiocare Professional Audio Ltd.

Unit 2, 56 Evans Road


L24 9PB

+44 (0) 151 707 4545
+44 (0) 845 345 8910

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Sat - Sun: Closed

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