The original portable recording interface.

The 2882. Starting at $1895
The Original and Still the Best
Originally released in 2001, the Mobile I/O 2882 truly is the first digitally controlled FireWire interface designed specifically for the Macintosh.
The Granddaddy of them all, the 2882 just keeps getting better. A
seminal piece of gear, the feature set of the 2882 represents a list of
firsts in the industry. The 2882 was the first Mac-only FireWire
interface on the market and was the first bus-powerable FireWire
interface ever — 9 years and counting! It is also the first (and only)
FireWire interface to offer onboard fully instantiable DSP processing
with our unique +DSP processing environment. The first 96k FireWire
interface, and the first to feature digitally controlled analog stages,
the 2882 has inspired an entire genre of gear.
Take a look at some other products on the market and you are sure to
find numerous features and approaches originally invented by Metric
Halo. As they say, imitation is the sincerest form of flattery, and as
we look around the now-crowded FireWire interface market, we’re happy to
say that we’re truly flattered!
Now, with the introduction of the 2882 Expanded, with integrated 2d Card, the 2882 jumps ahead of its competition again.

| Key Features |
- 8 Mic/Line/Instrument analog inputs
- 8 analog outputs on balanced TRS connectors
- 24/96k converters on all channels
- 8 channels of ADAT I/O (switchable to TOSLINK)
- Headphone amp with front panel mute/dim
- Full front-panel metering
- Remote level control on all channels
- AES-S/PDIF Digital I/O with selectable SRC
- v.5 Configurable mixer for near-zero latency mixing and routing
- Metric Halo’s unique instantiable +DSP processing
- DC power system for wall, FireWire bus, and battery operation world-wide
- Total recall with MIO Console
- OS X drivers with multi-box support
- Compact, convenient, and the best value in pro-audio today!
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At Home in Any Situation
2882 Expanded is the perfect tool for capturing audio wherever
inspiration hits, in the studio or on the road. Well suited to any
recording situation, you can record and edit on the road, in the hotel,
on the airplane, or wherever inspiration hits. Use 3 2882s chained
together for 24 tracks of live concert recording with processing on all
channels in 3 rack spaces. Location sound engineers can now capture the
moment — anywhere, anytime.
When you’re done recording, use the 2882 in the studio as an
extremely high quality audio interface to transfer your tracks into a
DAW. You’ll be amazed at the sound of this little box! And weighing only
5 pounds, and about the size of a laptop, you can be the first one out
of the gig, with no hassle, just throw the Mobile I/O into your computer
bag, and you’re done!
The 2882’s pristine inputs and outputs, coupled with Metric Halo’s exclusive Character processing,
provide flexibility and sound quality unavailable on any other
interface. You can transition from a wire-with-gain to a gooey tube pre
with one click of the mouse, and every input can have the right
character for the material you are recording.
The 2882 Expanded is the only unit in its class with an on-board
processing engine that supports fully instantiable processing, allowing
you to use Metric Halo’s world-renowned signal processing effects
without sacrificing your computer’s processing power or introducing any
additional latency in your monitor path. From MIOStrip to HaloVerb, the
2882 Expanded comes with all the basic production processing you need.
And remember, this one rack space audio interface has the ability to run
entirely from the FireWire bus of a laptop computer or from any DC
power source (9V-30V), making it truly and completely mobile.
Organically Scalable
A unique feature of the Mobile I/O system is that MIO’s work well individually or as a group. Mix and match 2882 and ULN-2 units
to create a system that meets your needs for track count and preamp
power. Adding a unit to the system organically increases the DSP power
of the system, so that your DSP always scales with your I/O. Break your
system up for small gigs when playing out or add the units of your mates
to build a huge system when required. By standardizing on Mobile I/O,
each member of the band can have ultimate quality while working alone,
and the band can have huge track counts when playing together. You can’t
lose!
Stand-alone Operation
Flexible signal routing and sophisticated patch and preset management
systems are also featured in the 2882 Expanded, including two
separately addressable boot states for standalone operation. 2882’s
front-panel recall system allows the unit to function equally as well as
a stand-alone Mic Pre/Converter system. In standalone mode, the 2882
operates with the converters directly routed to and from the AES/SPDIF
I/O, ADAT or TOSLINK.
As a standalone converter, the 2882 provides a 24bit/96kHz stereo
front-end with 8 great sounding utility mic pres for any recording
system. It also functions seamlessly as a digital monitor controller,
making it ideal as digital headphone amp and studio monitor controller.
Applications
The 2882 Expanded supports a variety of applications. For studio
recording, it provides a very high quality interface to a DAW, offering
sound processing or simple file transfer between workstations. Its
exceptional sound quality is the perfect complement to the studio’s
existing analog to digital conversion chain. Songwriters and engineers
can use the 2882 Expanded to record and edit on the road, in the hotel,
while traveling, or anywhere that inspiration strikes.
The 2882 Expanded is suitable for broadcast applications, too. It
offers instant playback of two individual stereo sends for music cues or
sound effects. The compact package and portable power features mean
that the unit can go anywhere users need to work, and make on-site fixes
or edit location recordings without the need to send files back to the
studio, saving valuable time before air.
In the live performance arena, in addition to operating as a remote
recorder for archiving performances or to play out backing tracks and
musical cues, the 2882 Expanded can operate as a soft-synth mixer and
I/O interface. The 2882 Expanded is also a great addition to a live
sound engineer’s setup, providing a simple and efficient tool for
analysis and system venue tuning with SpectraFoo.
2882 Expanded: Integrated 2d Card and MIO Console 5
Now a standard part of all Mobile I/O units, the 2d Card is a massive
DSP processing engine that is the nerve center of the 2882 Expanded.
The 2d Card greatly enhances the DSP processing power of the Mobile I/O
and provides brand new ADAT implementation based upon the technology
developed by Alesis to provide rock-solid reliable ADAT interfacing.
Future Proof
In 2001 we introduced the Mobile I/O 2882 and called it “Future
Proof”. Seven years later, while the competition has obsoleted multiple
generations of products, the 2882 is still arguably the best FireWire
interface available on the market. In 2003, we released the ULN-2, with
the finest preamps available in any interface, then or now.
With the release of the 2d Card and v.5, we deliver yet again on our
commitment to making “Future Proof” products that stand the test of
time.
“My MIO 2882+DSP is the only piece of digital hardware I have ever
owned that is more useful today than it was when I bought it.”
— John Curley Ultrasuede Studio
“…Our MIOs are the only digital hardware or software we have that’s
actually gotten better since purchase. Pro Tools Mix systems
purchased in 2001 won’t run at all on new Intel Macs, or even on old
Macs running Tiger, the last version of OS X before Leopard. My
2882+DSP, purchased that same year, not only works on the latest Macs,
it still sounds as good as our HD rigs (which is to say a lot better
than the old 888/24s).
Version after version, the MIOs have gained features and
functionality. With 2d, a seven year old 2882+DSP is more powerful than
the day it was built. With Console v.5, all MIOs are more flexible
and easier to use. A digital miracle!”
— Dave Davis Media Designer & Mastering Engineer Sound Images Read More…
“When the 2882 was introduced over eight years ago, Metric Halo had
plans for its future. Well before it was fashionable to go Green, MH had
built-in expandability without asking you to buy a whole new interface.
The original 2882 is still ahead of its time. Now you pop in the 2d
Board and you get the best sounding, most powerful, most flexible
FireWire audio product ever shipped. The new console
is absolutely amazing and Character is worth the price of admission alone. It’s not an upgrade, it’s a rebirth.”
— Marc Schonbrun Guitarist - Author - Music Technology Educator www.marcschonbrun.com
“When I first had the resources to purchase serious recording gear, I
did an unbelievable amount of research, knowing that it might be my
last chance to do so, and I’d have to live with my decision. 5 years
later, without doubt, my decision to purchase my Metric Halo MIOs was
the best equipment purchasing decision I’ve ever made.
The sound and quality of my original Mobile I/Os still matches or
surpasses that of equipment many times more expensive that is being
released today, and their routing flexibility is unparalleled.
The addition of 2d and the v.5 software is just one more example in a
long line of them, from a company who continues to add value to its
existing product lines and user base. This is in stark contrast to the
usual industry practice of letting those things languish and die to push
out more new product that isn’t necessarily an improvement. It’s safe
to say that the new 2d technology and v.5 software make me the fastest
car on the block, and I thought I already was.”
— David Wilcock Owner, Tacklebox Music
“The best just got a whole lot better.
With a bewildering selection of FireWire interfaces now on the
market, my original investment in Metric Halo hardware and software has
paid off big-time: eight years after my original purchase of my first
2882+DSP, MH has delivered a combined software and hardware upgrade that
redefines the genre… Unlike most other hardware that loses its value
over time, my Metric Halo boxes are worth more to me now than when I
first bought them.
Some of the best things improve with age and this is certainly true
of my Metric Halo interfaces… Now, with the v.5 software and the
retrofit hardware upgrade, I’ve effectively gained a whole new unit…
Some of my less-enlightened colleagues have had to upgrade their
hardware two or three times in order to keep up with new releases from
other manufacturers, often seeing the resale value of their old systems
drop through the floor. I’ve never needed to play that game and I can’t
emphasise enough how happy that makes me…
What’s astounding is that the functionality of the Metric Halo boxes
has increased over the years that I’ve owned them: other manufacturers
have constantly brought out new versions of their interfaces and the
resale value of the old ones plummets. Metric Halo has constantly
upgraded system performance via free software upgrades and now, with a
reasonably-priced hardware add-on, arguably presents long-term users
with a whole new interface. I can’t think of many other manufacturers
who treat their customers so well.”
— John Leonard Theatre Sound & Show Control Sound & Show Control Read More…
“When I received my MIO 2882+DSP seven years ago it soon became my
most used, most useful piece of gear. Since upgrading to 2d it has
become even more useful to me. I know of no other box that has increased
in it's intrinsic value over 7 years!
…If my laptop, or external synth module, or FX box, or keyboard
controller broke or was stolen I would replace them with the latest
equivalent with better features or upgraded sound or a faster processor.
If my MIO suffered the same fate I would immediately get a new one,
exactly the same model at full list price if necessary. There is no
equivalent, and nothing out there that can do even a fraction of what my
MIO does, and does elegantly.”
— Steve Hilmy composer, performer, music professor Read More…
“…With so many audio hardware and software companies following the
‘planned obsolescence’ business model, it’s refreshing to find a company
like Metric Halo that believes in supporting their products for the
long run. With the v.5/2d update, I feel I have the equivalent of a
brand new interface with tons of new functionality for about the same
cost as the upgrade fee for most of my plug-ins!…”
— Jerry Schroeder Read More…
“…Once the 2d Card is installed into a unit — even one that may be
several years old — it becomes effectively a new unit. I think to give
us all the opportunity to upgrade our units in this way is an amazingly
generous move by Metric Halo, and shows just how classy a company they
are, the value, the service, the technology is way above the rest, there
is no other company that gives me the sense of security and reliability
that Metric Halo does…”
— Rico Sergeant Singer Songwriter www.ricosergeant.com Read More…
While other manufacturers churn you with the special of the day, we
build products that preserve your investment and deliver for you year
after year and project after project. It is our philosophy and we take
it seriously.
Which interface is right for me?
While all Metric Halo interfaces are multi-purpose, each has characteristics that make it shine in one use or another:
- ULN-8: Our top of the line, archival quality unit. The ULN-8 has the
quality and features to handle the most demanding jobs. Perfect for
everything from classical recording to the mastering suite, or any user
that needs ultimate power and flexibility.
- LIO-8: All the audio quality of the ULN-8, minus the mic pres and
+DSP license. Perfect for the editing suite, recording with your own
pres or interfacing your analog console. In true MH style, the mics pres
and +DSP license can be added if your needs change.
- ULN-2: Two channels of boutique quality mic pres in a small package.
The ULN-2 is at home in the mastering studio as well as your home
studio. Perfect for the discerning recordist who doesn't require high
channels counts but demands high quality and appreciates portability.
- 2882: Eight channels of analog I/O that fits in your backpack. The
2882 is clean without being pristine and packs a lot of power.
Use the following table to see the notable differences between the interfaces.
| Feature |
ULN-8 |
LIO-8 |
ULN-2 |
2882 |
| Converter Technology |
2nd Generation |
2nd Generation |
1st Generation |
1st Generation |
| Preamp Technology |
3rd Generation |
Optional (1) |
2nd Generation |
1st Generation |
| Analog Technology |
3rd Generation |
3rd Generation |
2nd Generation |
1st Generation |
| DSP Technology |
2nd Generation |
2nd Generation |
2nd Generation |
2nd Generation |
| 44.1k - 48k |
√ |
√ |
√ |
√ |
| 88.2k - 96k |
√ |
√ |
√ |
√ |
| 176.4k - 192k |
√ |
√ |
n/a |
n/a |
| Channels of A/D |
8 |
8 |
2 |
8 |
| Mic pres |
8 |
0, 4, 8 (1) |
2 |
8 |
| Gain |
91.5 dB |
91.5 dB (1) |
72 dB |
42 dB |
| Jensen Option |
n/a |
n/a |
√ |
n/a |
| Noise floor |
117.9 dB |
117.9 dB |
110 dB |
110 dB |
| Insert points |
8 |
0 (8 sends) |
2 |
n/a |
| Dedicated DIs |
2 |
2 |
n/a |
n/a |
| Metering |
15 Segment Multicolor |
15 Segment Multicolor |
10 Segment Fixed Color |
10 Segment Fixed Color |
| Channels of D/A |
8 (plus headphones) |
8 (plus headphones) |
4 |
8 (plus headphones) |
| Output Control |
Digitally Controlled Analog |
Digitally Controlled Analog |
Analog (Monitor Outs), Digital (Analog Outs) |
Digital |
| Output Control UI |
FP + Computer |
FP + Computer |
FP Only (Analog) Computer Only (Digital) |
Computer Only |
| Monitor Controller |
Analog Domain |
Analog Domain |
Digital Domain |
Digital Domain |
| AES Digital I/O |
8 channels (single wire) |
8 channels (single wire) |
2 channels(2) |
2 channels(2) |
| Optical Digital I/O |
n/a |
n/a |
8 channels ADAT(3) or 2 Channels TOSLINK |
8 channels ADAT(3) or 2 Channels TOSLINK |
| Wordclock I/O |
√ |
√ |
√ |
√ |
| Multipurpose encoders |
9 |
9 |
n/a |
n/a |
| Tact Switches |
7 |
7 |
2 (snapshot selection) |
2 (Mute & Dim) |
| Gain Control UI |
FP + Computer |
FP + Computer |
FP Only |
Computer Only |
| Gain Control |
Encoder |
Encoder |
Switch/Pot |
Computer |
| Gain Style |
Digitally Controlled Analog |
Digitally Controlled Analog |
Analog |
Digitally Controlled Analog |
| 2d Card |
√ |
√ |
√ |
√ |
| Ultra-low Latency Mixer |
√ |
√ |
√ |
√ |
| Basic DSP Plugin Bundle |
√ |
√ |
√ |
√ |
| +DSP license |
√ |
Optional(4) |
Optional(4) |
Optional(4) |
| Number of channels to/from DAW over Firewire |
18 (5) |
18 (5) |
18 |
18 |
| Bus powerable? |
No |
No |
√ (6) |
√ (6) |
| DC powerable? |
√ |
√ |
√ |
√ |
| Power Switch |
√ |
√ |
No |
No |
| Audio I/O connectors |
DB-25 |
DB-25 |
XLR and TRS |
XLR and TRS |
| SMPTE I/O |
√ |
√ |
n/a |
n/a |
| MIDI I/O |
√ (7) |
√ (7) |
n/a |
n/a |
| Dimensions |
17" x 13" x 1.72" 432 x 330 x 44 mm |
17" x 13" x 1.72" 432 x 330 x 44 mm |
13.5” x 8.25” x 1.73” 343 x 210 x 44 mm |
13.5" × 11" × 1.73" 343 x 279 x 44 mm |
| Weight |
6 lbs 2.7 kg |
6 lbs 2.7 kg |
4 lbs 1.8 kg |
4.5 lbs 2 kg |
| Suggested retail price |
$5995 |
$3995 |
$1695 |
$1895 |
1: 4 or 8 channels of 3rd Generation ULN-R mic pres may be installed as a factory option or at a later time. 2: Switchable between AES and SPDIF. ASRC available on input. 3: ADAT does not support SMUX; operation is limited to 44.1-48 kHz 4: +DSP licence can be added for $699 at any time. 5: Firewire transport limited to 8 channels in each direction @ 176.2-192 kHz sample rate. 6: Interfaces may require a "jumpstart" to boot on some laptops. More information is available here. 7: MIDI I/O is for control surface connection, and not optimized for musical input
The brains behind the sound...
All Metric Halo interfaces are built on the 2d DSP card and MIO Console software.
Click here to find out more about these core technologies.

- Computer:
- Any Mac that supports Mac OS X with a FireWire port
- Universal Binary (native support for PPC and Intel)
- Mac OS X 10.3.9 or newer required
- Mac OS X 10.4.11 or newer recommended
- Peripheral FireWire Adaptors supported:
- OHCI compliant PCCard, PCI card, ExpressCard or PCIe card
- Software: All CoreAudio compliant software is compatible with Mobile I/O, including:
- Cubase
- Digital Performer
- GarageBand
- iTunes
- Live
- Logic
- Nuendo
- PreMaster CD
- soundBlade
- WaveBurner
- Pro Tools
- and hundreds more…
- One Mobile I/O 2882 unit
- One IEC Power Cord appropriate for your area
- One 24-volt 48-watt world-ready external power supply
- One 30” IEEE 1394 9-pin to 6-pin FireWire Cable
- One 4.5 meter IEEE 1394 9-pin to 6-pin FireWire Cable
- Two Rack Ears w/ fasteners
- Rubber feet
- MIO Software CD-ROM
- Warranty/Registration Card
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