MOTU 624 16 x 16 Thunderbolt USB3 Audio Interface

Equipped with renowned ESS Sabre32 Ultra DAC technology, the 624 has the same award-winning analog audio quality and proven performance as MOTU's flagship 1248 interface - packed into a mobile half-rack enclosure.

32 simultaneous audio channels
Studio-grade I/O for on-the-go recording
You get 2 mic inputs, 2 guitar inputs, 4 x 6 balanced analog with dedicated main outs, 8-channel ADAT optical and independent headphone out for 16 inputs and 16 outputs. The optical ports also support stereo TOSLink (optical S/PDIF).

Superb analog audio quality and high-end converters
Performance suitable for the most demanding situations
Renowned ESS Sabre32 Ultra DAC technology delivers 123 dB dynamic range and the same proven, award-winning audio quality as MOTU's flagship 1248.

Ultra-low latency and proven, high-performance MOTU drivers
The best possible latency performance
The 624 delivers round-trip latency (RTL) performance as low as 1.6 ms at 96kHz over Thunderbolt - and an astonishing 1.9 ms over USB - with high-performance DAW hosts.

Mobile operation and universal connectivity
Ultimate portability and flexibility
Connects to your computer with Thunderbolt, super-speed USB 3.0 or AVB/TSN Ethernet - with support for up to 256 audio channels (128 in and 128 out). USB audio class-compliant firmware and high-performance , industry-standard drivers work with any audio apps. Connects to your iPad with a standard camera connection kit (adapter).

DSP mixing and effects processing
Console-style mixing with 48 channels and 12 busses
The 624's full-fledged 48-input digital mixer delivers 7 stereo aux busses, 3 groups, access to 64 network inputs, and DSP effects, including reverb, 4-band EQ, gate and compression. If you know your way around a large-format mixing console, you'll feel right at home. If you've ever wished to mix on a large console, the driver's seat is now yours.

Modeled vintage effects processing
Vintage processing with 32-bit float precision
Classic reverb. Compression modeled after the legendary LA-2A compressor. EQ modeled after British analog console EQs. The 624's mixing and effects DSP engine delivers virtually unlimited headroom and the utmost in sound quality.

Technical Specifications

Sample rates
44.1, 48, 88.2, 96, 176.4, 192 kHz
Mic inputs
2 x XLR mic inputs
Preamp gain: 0 to +63 dB (digitally controlled)
Analog inputs
2 x 1/4" hi-Z guitar inputs (front panel)
4 x 1/4" TRS line inputs (balanced/unbalanced)
Max level: +24 dBu (range -96 to +22)
Analog outputs
6 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
Digital I/O
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)
Total I/O
16 inputs / 16 outputs (32 total) at 1x sample rates
12 inputs / 12 outputs (24 total) at 2x sample rates
8 inputs / 8 outputs (16 total) at 4x sample rates
Computer I/O
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)
Phantom power
2 x individual +48V
Network I/O
1 x RJ45 AVB/TSN Ethernet (1 Gbps)
AVB streams (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
Front panel
1 x 1/4" TRS headphone output
2 x TRS hi-Z guitar input
1 x digital rotary encoder main/phone volume
2 x digital rotary encoders guitar gain
2 x digital rotary encoders mic preamp gain
4 x switches (2) Pad and (2) 48V Phantom
160 x 128 pixel RGB LCD for level meters / menu nav
Power switch
Power
External 12-18V DC power supply
1.0A max tip pos or neg
Dimensions 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
2.2 lbs / 1.0 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 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 X 10.11 or later
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 Thunderbolt or USB 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 interface by wire or Wi-Fi.
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