|Sample rates||44.1, 48, 88.2, 96, 176.4, 192 kHz|
8 x 1/4" TRS line inputs (balanced/unbalanced)
Max level: +24 dBu (range -96 to +22)
8 x 1/4" TRS line out (balanced, DC coupled 5v)
Max level: +20 dBu (range -4 to +20)
1 x 1/4" TRS stereo headphone
1 bank (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)
16 inputs / 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
1 x Thunderbolt 1 (Mac and Win)
Thunderbolt 2 & 3 compatible
1 x USB 3.0 (Mac and Win)
USB 2.0 and iOS compatible (class compliant)
1 x AVB/TSN Ethernet (Mac only)
Requires OS X 10.11 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 host computer speed
|Headphone||1 x 1/4" TRS stereo phone (assignable)|
|Network I/O||1 x RJ45 AVB/TSN Ethernet (1 Gbps)|
(8 channels per stream)
8 in / 8 out @ 44.1 or 48 kHz
8 in / 8out @ 88.2 or 96 kHz
8 in / 8 out @ 176.4 or 192 kHz
1 x 1/4" TRS headphone output
1 x digital rotary encoder • phone volume
5 x switches • menu navigation
160 x 128 pixel RGB LCD for level meters / menu nav
External 12-18V DC power supply
1.0A max • tip pos or neg
(width x 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
(in 1 dB steps)
|Line output||1/4" TRS, balanced, tip hot||123 dB||-110 dB||+20 dBu||24 dB (-4 to +20)|
|Line input||1/4" TRS, bal/unbal, tip hot||117 dB||-110 dB||+24 dBu||118 dBu (-96 to +22)|
|Phones||1/4", TRS stereo||108 dB||-100 dB||Max. 80 mw||128 dB|
The 8A ships with standard Core Audio drivers for Mac OS X for compatibility with virtually all Core Audio-compatible apps, including:
The 8A ships with standard ASIO and Wave drivers for Windows 7*, 8 and 10 for compatibility with virtually all ASIO- and Wave-compatible audio apps, including:
Renowned ESS Sabre32 Ultra™ DAC technology delivers 123 dB dynamic range and the same proven, award-winning audio quality as MOTU's flagship 16A.
Round-trip latency (RTL) performance as low as 1.6 ms at 96kHz over Thunderbolt™ with high-performance DAW hosts.
Connects to your computer with Thunderbolt™, super-speed USB 3.0 or AVB/TSN Ethernet for up to 256 audio channels (128 in and 128 out). Class-compliant firmware and Industry standard drivers work with any audio apps. Connects to iPad™ with a standard camera connection kit (adapter).
8 x 8 balanced analog, 8-channel ADAT optical and independent phone out for 16 inputs and 18 outputs.
Flexible 48-input digital mixer with 7 stereo aux busses, 3 group sends, access to 64 network inputs, and DSP effects, including reverb, 4-band EQ, gate and compression.
The 8A's mixing and effects DSP engine delivers virtually unlimited headroom and the utmost in sound quality.
Classic reverb. Compression modeled after the legendary LA-2A compressor. EQ modeled after British analog console EQs.
Send any input to any output, or multiple outputs. Includes routing to and from the computer, plus any devices on the audio network.
Connect an Apple® Airport™ or other Wi-Fi router with a standard Ethernet cable for wireless control of device settings, powerful 48-channel mixing and DSP effects.
Control everything from your favorite web browser on a laptop, tablet and smartphone connected to your local Wi-Fi network.
Add a 2nd MOTU AVB-equipped interface with a simple CAT-5e ethernet cable. Connect up to five MOTU interfaces using a MOTU AVB/TSN Switch (sold separately).
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.
Connect outboard digital processors, digital mixers or other gear. 8 channels of ADAT at 44.1/48 kHz, 4 channels of SMUX at 88.2/96 kHz or stereo TOSLink (optical S/PDIF) up to 96 kHz.
The full-color LCD lets you view all signal activity at a glance with detailed metering for all analog and digital I/O. Access hardware settings from a simple and convenient menu.
Includes AudioDesk workstation software for Mac and Windows with 24-bit recording, sample-accurate editing and 32-bit mixing and mastering.
*After a ten-year run, Windows 7 has been officially end-of-lifed (EOL) by Microsoft as of January 4, 2020. Therefore, MOTU products no longer officially support Windows 7, although existing installed products (as of June 2020) should still continue to function as they have been under Windows 7. However, future updates, including drivers, may require Windows 8 or later.