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All customers who buy any MOTU audio interface (except MOTU-MicroBook IIc) can register their unit by emailing i...  All product info

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AVB Thunderbolt and USB Audio Interface

The MOTU 1248 AVB is a rack mount Thunderbolt Audio Interface. The 1248 Thunderbolt Audio Interface has an incredible dynamic range, offering the features of a large console and has a total of 66 input / output audio channels (32 input and 34 output channels). The 1248 can be operated via Thunderbolt or USB 2.0 (USB 3.0 compatible). A powerful DSP offers the quality of a mixing console with 48 channels, 12 stereo busses and 32-bit floating-point effect processing including modelled analogue EQ, compression vintage and classic reverb. The extensive of the device routing network connects inputs to outputs and routes the inputs to multiple destinations within the network.

Connect using a simple Ethernet cable a second MOTU interface AVB (1248 8M or 16A). Insert the MOTU AVB Switch (sold separately) to allow more inputs and outputs to be added. Create an AVB audio network with several switches and a latency of less than a millisecond - even over long cable runs. Stream hundreds of channels on devices and computers on the network. From the first recording to mastering the 1248 delivers outstanding sound quality, user-friendly operation and reliable performance.

The main features of the MOTU 1248 AVB include:

  • Note: Digital Performer 9 included (german version)
  • 32 input channels 34 output channels USB 2.0 / USB 3.0 Compatible.
  • Superb audio quality: For example, the balanced TRS analogue outputs produce 123 dB dynamic range and -110 dB THD+N (0.0003%) at -1 dBFS, Unweighted, 1 kHz.
  • 66 simultaneous audio channels: 4 mic inputs, 2 guitar inputs, 8 x 12 balanced analogue with dedicated main and monitor outs, 2 x 8-channel ADAT optical, RCA S/PDIF (with SRC), and two independent phone outs for 32 inputs and 34 outputs.
  • Universal connectivity: Connects to your computer with Thunderbolt or high-speed USB 2.0 (compatible with USB 3.0). Class-compliant firmware and Industry standard drivers work with any audio software.
  • On-board DSP with mixing and effects: Flexible 48-input digital mixer modelled after large format mixing consoles, with 12 stereo busses and DSP effects, including reverb, 4-band EQ, gate, and compression.
  • 32-bit floating point processing: The 1248's mixing and effects DSP engine delivers virtually unlimited headroom and the utmost in sound quality.
  • Modelled vintage effects processing: Classic reverb. Compression modelled after the legendary LA-2A compressor. EQ modelled after British analogue console EQs.
  • System expansion and audio networking: Add a 2nd MOTU AVB interface (1248, 8M or 16A) with a simple Cat-5e Ethernet cable. Connect up to five MOTU interfaces using a MOTU AVB Switch (sold separately). Build a network with multiple interfaces and computers using standard AVB switches and network cabling, with ultra-low network latency, even over long cable runs (hundreds of meters). Stream hundreds of audio channels among devices and computers on the network.
  • Matrix routing and splitting: Flexible, matrix-style audio routing and splitting for any analogue or digital input, computer channel or network stream to any other output, computer, or network device. Split any single input to unlimited multiple output destinations.
  • 256 channels of network audio I/O for your host computer: Record and monitor up to 128 networked audio channels in and out, simultaneously, through the Thunderbolt connection to a host computer.
  • Web app control: Control on-board DSP, mixing, device settings, and network audio routing from web app software running in your favourite browser on a laptop, tablet or smart phone connected by wire or Wi-Fi to your local area network.
  • Stand-alone mixing with wireless control: Connect an Apple Airport™ or other Wi-Fi router directly to the 1248 with a standard Ethernet cable and control the 1248's powerful mixing and DSP effects from your smart phone or tablet, without a computer. Great for live sound mixing.
  • ADAT digital I/O: Connect outboard digital processors, digital mixers or other gear. 16 channels at 44.1/48 kHz or 8 channels at 88.2/96 kHz.
  • Comprehensive metering: The large backlit 324 x 24 LCD lets you view all signal activity at a glance with detailed metering for all analogue and digital I/O. Access hardware settings from a simple and convenient menu.

Scope of Delivery:

  • Power Adapter: Internal
  • USB Cable: Yes


  • Manufacturer: MOTU
  • Number of Microphone Inputs: 4
  • Number of Channels: 66
  • Hi-Z Inputs: 2
  • Phantom Power: Yes
  • ADAT: Yes
  • S/PDIF: Yes
  • Wordclock: Yes
  • Bit Resolution: 24 Bit
  • sampling rate (kHz): 192
  • Latency Free Monitoring: Yes
  • DSP Mixer: Yes
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