Equipped with the renowned ESS Sabre32™ DAC technology
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Mac & Win
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Equipped with the renowned ESS Sabre32™ DAC technology, the 8A delivers the same superb analog audio quality and proven, award-winning performance as MOTU's flagship 16A audio interface, giving you everything you need to turn your computer into a powerful 24-bit/192 kHz digital audio workstation.


The 8A connects to any computer or iPad™ with Thunderbolt™, super-speed USB 3.0, AVB Ethernet or USB class-compliant firmware. New optimized MOTU drivers work with all your favorite audio apps, delivering industry-leading, ultra-low round-trip latency (RTL) performance as low as 1.6 ms at 96 kHz over Thunderbolt with high-performance DAW hosts.


Housed in a rugged, compact enclosure you can take anywhere, the 8A provides eight channels of pristine analog I/O and a front panel headphone jack, combined with eight channels of ADAT optical digital I/O, for a total of 34 simultaneous audio channels.

Connect all of your studio gear, including synths, keyboards, drum machines and effects processors. Record, monitor, route and process all of these live inputs with no latency and no processor strain on your computer. Extensive routing features let you patch ins to outs, or split inputs to multiple destinations. Powerful DSP delivers large console style mixing with 48 channels, 12 stereo busses, and 32-bit floating point effects processing. Add Classic Reverb™ with lengths up to 60 seconds. Further sculpt your sound with 4-band parametric EQ carefully modeled after British analog console EQs. Choose between two forms of compression: a conventional compressor and the Leveler™, an accurate model of the legendary LA-2A™ optical compressor that provides vintage, musical automatic gain control.

After recording and mixing in the studio, unplug the 8A from the computer and take it on stage for operation as a stand-alone mixer with effects. Control everything over Wi-Fi from your favorite web browser running on your laptop, tablet and smartphone.

Through AVB/TSN Ethernet, connect another MOTU AVB interface for more I/O — or connect to an expanded MOTU AVB network with multiple interfaces and computers.

From studio to stage, the 8A delivers exceptional sound quality, state-of-the-art operation and rock-solid performance.


Sample rates       44.1,48, 88.2, 96, 176.4, 192 kHz

Analog inputs     8 x1/4" TRS line inputs (balanced/unbalanced)

Max level: +24 dBu (range -96 to +22)

Analog outputs  8 x1/4" TRS line out (balanced, DC coupled 5v)

Max level: +20 dBu (range -4 to +20)

1 x 1/4" TRS stereo headphone

Digital I/O           1bank (8 ch) of ADAT optical at 1x sample rates

1 bank (4 ch) of SMUX optical at 2x sample rates

Switchable to stereo TOSLink (optical S/PDIF)

Total I/O              16inputs / 18 outputs (34 total) at 1x sample rates

12 inputs / 14 outputs (26 total) at 2x sample rates

8 inputs / 10 outputs (18 total) at 4x sample rates

Computer I/O     1 xThunderbolt 2 (Mac and Win)

    Thunderbolt 1& 3 compatible

1 x USB 3.0 (Mac and Win)

    USB 2.0 and iOScompatible (class compliant)

1 x AVB/TSN Ethernet (Mac only)

    Requires OS X10.11 or later

Computer I/O channels   Thunderbolt(44.1 to 96 kHz): 128 in/out

Thunderbolt (176.4 to 192 kHz): 64 in/out

USB 3.0 (44.1 to 96 kHz): 128 in/out

USB 3.0 (176.4 to 192 kHz): 64 in/out

AVB/TSN Ethernet: 16 to 128 in/out

      depends on hostcomputer speed

Headphone         1 x1/4" TRS stereo phone (assignable)

Front panel         1 x1/4" TRS headphone output

1 x digital rotary encoder main/phone volume

5 x switches menu navigation

160 x 128 pixel RGB LCD for level meters / menu nav

Power switch

Power   External 12-18VDC power supply

1.0A max tip pos or neg


and weight          (widthx depth x height, enclosure only)

8.6 x 7 x 1.75 inches

22 x 17.75 x 4.5 cm

2.2 lbs / 1.0 kg


1 GHz Intel-based Mac or faster

2 GB RAM; 4 GB or more recommended

Mac OS X version 10.8 or later

Available Thunderbolt, USB or AVB/TSN Ethernet port*

A large hard drive (at least 500 GB for recording)

*AVB/TSN Ethernet audio interface operation requires OS X10.11 or later


1 GHz Pentium-based PC compatible or faster

2 GB RAM; 4 GB or more recommended

Windows 7, 8 or 10

Available Thunderbolt or USB port

Available Ethernet port for firmware updates

A large hard drive (at least 500 GB for recording)

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