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Computer Audio > Audio Interfaces > PCI Audio Interfaces > MOTU 24I/O Core PCI-e System

MOTU 24I/O Core PCI-e System

Item ID: 24ioCorePCIe

PCIe 24-bit/96kHz Recording Core System with 24-Channel Analog TRS I/O

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From Our Research Team:

24I/O Audio Interface - Now with PCIe Card!

The MOTU 24I/O audio interface is the solution for those with extensive collections of external hardware and sound modules to finally do away with a mixer and streamline their DAW setups. The MOTU 24I/O provides 24 high-quality, 24-bit/96kHz analog inputs and outputs in a cost effective, single rack space package, allowing you to connect and record from 24 simultaneous analog sources. MOTU fulfills the promise of host-based hard disk recording. You can record, edit, mix process, and master multitrack recording projects entirely inside the computer with a 24I/O.

MOTU 24I/O Core PCI-e at a Glance:
  • Audio interface with 24 high quality, 24-bit/96kHz analog inputs and outputs
  • Control CueMix with your iPad
  • Industry standard word clock sync I/O
  • Latency-free monitoring
  • Comes with a full-featured audio workstation software package for MacOS
  • Includes cross-platform PCIe-424 card


24 Analog Inputs and Outputs
The 24I/O Core System provides you with the 24I/O box and the PCIe-424 card and Audiodesk workstation software. The 24I/O box offers 24 high quality, 24-bit/96kHz analog inputs and outputs in a cost effective, single rack space package, allowing you to connect and record from 24 simultaneous analog sources. The 24 analog I/Os are pro-grade TRS (balanced/unbalanced) connectors operating at either -10dB or +4dB. The input level can be switched via software in banks of eight inputs. CuemixDSP provides continuously variable input trim with up to 12dB boost per channel. The 24I/O's front panel serves as a dedicated meter bridge for your hard disk recording system. Audio activity for every I/O is represented by its own five-segment LED bar graph.

Control CueMix with your iPad
MOTU's CueMix FX software, the mixing software that drives the powerful routing of the 24I/O, can be controlled from your iPad. MOTU created CueMix templates for the TouchOSC controller app, giving you complete control over your 24I/O's mixing and effects processing over a Wi-Fi network. This means that when you're recording in your studio, you don't need to keep going back to your computer to adjust gain levels, change monitoring effects, or virtually anything else you rely on CueMix for.

Word Clock Sync with Master Clock Capabilities
The 24I/O audio interface provides industry standard word clock sync on a single BNC connector that can be programmed for input or output via software. When operating as a word clock input, the word connector allows the 24I/O to synchronize smoothly with today's digital audio studio. When operating as a word clock output, the word connector can be used as a master clock to drive other digital devices in your studio, such as a digital mixer.

Latency-free Monitoring
MOTU's PCIe-424 card features a powerful DSP chip dedicated to creating a custom tailored monitor mix of up to 96 channels of 96kHz audio. Because the mixing takes place on the card itself, instead of making the round trip from the PCI bus to the host processor, the 24/I/O provides the same near-zero latency performance as today's latest digital mixers. CueMix DSP completely eliminates the buffer latency associated with monitoring on host-based systems. Because the DSP is mixing for you, your computer's CPU is free for other tasks. The PCIe-424 card is fully compatible with legacy MOTU interfaces originally designed for the PCI-324 card, so you can connect any MOTU PCI interface.

AudioDesk Recording Software
Plus, you get AudioDesk, a full-featured audio workstation software package for MacOS with features like 24-bit recording and real-time, 32-bit effects processing. The software includes multi-track waveform editing, sample-accurate placement of audio, a complete virtual mixing environment with up to 64 stereo busses, automated mixing, graphic editing of mix automation, scrubbing, trimming, spotting, crossfades, support for third-party effects plug-ins (in the MOTU Audio System and Adobe Premier formats), unlimited digital track bouncing (including effects and automation), and much more.

Cross-platform PCIe-424 Card
The MOTU 24I/O's PCIe card allows you to take advantage of the next-generation functionality of PCIe architecture; the bus technology that will dominate the personal computer for the coming decade. The MOTU 2408mk3's PCIe card allows you to take advantage of the next-generation functionality of PCIe architecture; the bus technology that will dominate the personal computer for the coming decade. Unlike older parallel technologies, PCI Express guarantees each device dedicated bandwidth to and from the system controller. PCI Express cards and slots are defined by their bandwidth, or number of data lanes - typically one lane, four lanes, eight lanes, or 16 lanes. At 250 MBps per lane, a four-lane slot can transfer data at up to 1 GBps and an eight-lane slot, up to 2 GBps - almost twice as fast as a 133MHz PCI-X slot at a maximum throughput of just over 1 GBps. The new PCIe-424 card can be installed in any PCI Express slot (regardless of its number of lanes). PCI Express delivers more than enough bus bandwidth for the 424 card, while ensuring that other PCI devices won't "steal" bus cycles from the 424 card. PCIe means more bandwidth, less noise, and a vastly improved scheme for high-speed data transfers - just what you need for high-quality audio. PCIe means more bandwidth and a vastly improved scheme for high-speed data transfers - just what you need for high-quality audio.

The 24I/O provides cross-platform compatibility with Macintosh, Windows 98SE/Me/2K/XP and all of your favorite audio software and host-based effects via WDM/ASIO/Sound Manager drivers. Or you can use the included AudioDesk workstation software for Macintosh, with 24-bit recording/editing and 32-bit mixing/processing/mastering.

The 24I/O can be purchased as an expander for an existing PCIe-424-based MOTU Audio System, or as a core system, which includes the PCIe-424 card and Audiodesk workstation software. Best of all, if you already own an older PCIe-424-based 24I/O or other MOTU interface, your existing hardware will work with the new PCIe card!

MOTU 24/I/O Core PCI-e Features:
  • 24 analog inputs/outputs with 24-bit, 96kHz converters on balanced/unbalanced 1/4" TRS connectors.
  • 16, 20 and 24-bit recording at 44.1, 48, 88.2 and 96kHz.
  • ADAT sync input on PCIe-424 card.
  • Word clock.
  • Includes cross-platform PCIe-424 card.

The MOTU 24I/O can easily expand your audio horizons!
Specification Detail
Computer Connection PCIe
Simultaneous I/O 24 x 24
A/D Resolution 24-bit/96kHz
I/O Location External Hardware
Number of Audio Inputs 24
Audio Input Types 24 x TRS
Number of Audio Outputs 24
Audio Output Types 24 x TRS
Number of Digital Inputs 0
Number of Digital Outputs 0
Clock I/O 1 x Word Clock (Out)
Built In DSP/FX Yes
Phantom Power No
Number of PCI Slots 1
Ext. Hardware Depth 7"
Ext. Hardware Width 19"
Ext. Hardware Height 1.75"
Manufacturer Part Number 8800

24I/O Core PCI-e System Image Gallery

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Reviews

based on 4 reviews

MOTU 24I/O Core PCIe System

by Earl from
July 27, 2012
Music Background: Recording Engineer, Pro Musician
I've had this product for over a year and use it almost everyday on my PC based system and Cubase 6. The installation was a royal pain because it must be installed in at least an x16 slot, and my v... read more [+]ideo card was already occupying the only x16 slot I have on my mb. After moving my video card to an x8 and installing the MOTU card into the x16 slot it has worked solidly ever since. The owner's manual, brochure, support staff, etc. do not specify this little detail!

I'm a firm believer that when you buy a box that does everything that what you get is compromised performance in everything. I therefore ignored any conversion systems that included mic-pres. Before this one I had a system that had 8 analog inputs and outputs, and I NEVER had enough for band projects. You need close to 8 inputs just for the drums! I therefore ignored units with less than 16 analog inputs and outputs. My first big project was a five piece band. With this MOTU system I and was able to provide a custom cue-mix for each band member; that used 5 x 2 plus a cue-mix for myself 1 x2, and wham! there goes 12 of the twenty-four analog outputs! The cue-mix software works great, and I was able to jump from hearing one band member's mix to another's with just a mouse click.

You'll run out of mic-pres and DIs before you run out analog inputs with this unit. However, if you happen to record REALLY big ensembles or you just like to over-mic everything, you can add three expansion units and end up having access to 96 analog inputs and outputs.

The recordings I've made with this unit sound great, and it will probably be last piece of equipment I upgrade. close [-]

sounds like a winner

by Dave from
March 29, 2012
Music Background: 45yrs in music bizz
install was easy nice single rack mounting,the A/D to D/A converters sound clear.the 24io is just plug and play and is not glitchy at all well made

Very low latency monitor!

by Steve from West Islilp, NY
February 5, 2012
Music Background: Recording Engineer, Remix Artist
The most important factor i look for in a DAW interface is latency monitor among other things. MOTU's patented audiowire technology coupled with PCI-e connectivity allows my system to realize 1.3 ms l... read more [+]atency without a hickup, click or glitch. Of course other factors play a role such as CPU and processor and I won't elaborate on that here but if your running a powerful system and want a comparable powerful DAW interface to record studio quality tracks, look no further. The ability to expand and add 3 additional units (even other MOTU interfaces) and record up to 96 tracks is a nice touch. close [-]

Large summing mixer setup

by Andrew Denny from Barbados USA
September 25, 2012
Music Background: Recording, Mixing Engineer
I have used multiple 24IOs connected to the the SSL to have 48 tracks at mixdown. That being said, When I was looking at a summing mixer setup, the 24IOs were my choice for many reasons. (1) Solid and... read more [+] reliable drivers with adjustable bandwidth use for input and output. (2) Expandable system up to 96 channels of IO (3) Sounds great (4) Does not take up too much real estate. (5) Has input and output metering for all channels simultaneously. This reason was a big one for my choice since very few multi output interfaces, even the new Symphony can monitor everything that is happening at the input and output all at once. The benefit of summing is derived from getting the most out of your converters and running them at their optimum level and being able to see what is coming out at a glance without having to switch modes is great on the 24IO. Since I have used large summing setups in the past with the 24IOs, I definitely did not think that the 8 and 16 channel summing boxes were for me. 32 or more channels were my ideal personal setup using 2 x 24 IOs and 1 x 2408 MK3. This gives me 56 channels of analog IO going into a Speck X-Sum, a Dangerous 2Bus LT feeding 4 summing channels on a Dangerous DBox ( A 54 channel summing mixer). I work with Cubase, DP7 and Logic so this configuration works with that. I only get 30 channels out of Protools. close [-]

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See Also: MOTU , MOTU PCI Audio Interfaces

MOTU 24I/O Core PCI-e System

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