Introduction
Thank you for your purchase of the TASCAM US-2x2/
US-4x4 USB Audio/MIDI Interface.
Before connecting and using this unit, please take
time to read this manual thoroughly to ensure you
understand how to properly set it up and connect
it, as well as how to use its many useful and conve-
nient functions. After you have finished reading
this manual, please keep it in a safe place for future
reference.
Should the contents of the memory of a connected
device (including hard disks and optical discs) in
the same system as this unit be lost, our company
will bear no responsibility for repair, including for
compensation.
Before connecting this unit to a computer, you
must download and install a dedicated driver.
Included items
This product includes the following items.
Keep the packing materials for transportation in the
future.
Please contact TASCAM Customer Support (see page
2) if any of these items are missing or have been
damaged during transportation.
i Main unit ..........................................................................× 1
i AC adapter (PS-P1220E)
(included with US-4x4 only) ......................................× 1
i USB cable .........................................................................× 1
i Set of DAW software installation guides ...............× 1
i Owner's Manual (this document)
including warranty ........................................................× 1
CAUTION
Always use the included AC adapter (PS-P1220E)
with the US-4x4. Never use the included AC adapter
with any other device. Doing so could cause
damage, fire or electric shock.
Note about the Reference Manual
This Owner's Manual explains the main functions of
this unit. Please see the Reference Manual for infor-
mation about all the unit's functions.
You can also download this Owner's Manual and the
Reference Manual from the TEAC Global Site (http://
teac-global.com/).
Precautions for placement and use
i The operating temperature range of this unit is
5–35 °C.
i Do not install this unit in the following types of
locations. Doing so could make the sound quality
worse or cause malfunction.
Locations with frequent vibrations
Near windows or other places exposed to direct
sunlight
Near heating equipment or in other locations
that become very hot
Extremely cold places
Very humid or poorly ventilated locations
Very dusty locations
i To enable good heat dissipation, do not place
anything on top of the unit.
i Do not place this unit on top of a power amplifier
or other device that generates heat.
Using the TEAC Global Site
You can download the Owner's Manual necessary
for this unit from the TEAC Global Site (http://
teac-global.com/).
1. Open the TEAC Global Site (http://teac-global.
com/).
2. In the TASCAM Downloads section, click the
desired language to open the Downloads website
page for that language.
NOTE
If the desired language does not appear, click Other
Languages.
3. Click the product name in the "Search by Model
Name" section to open the Downloads page for
that product.
4. Select and download the Owner's Manual that are
needed.
Beware of condensation
Condensation could occur if the unit is moved from
a cold place to a warm place, it is used immediately
after a cold room has been heated or it is otherwise
exposed to a sudden temperature change.
To prevent this, or if this occurs, let the unit sit for one or
two hours at the new room temperature before using it.
Cleaning the unit
To clean the unit, wipe it gently with a soft dry cloth.
Do not wipe with chemical cleaning cloths, benzene,
thinner, alcohol or other chemical agents. Doing so
could damage the surface or cause discoloration.
User registration
Customers in the USA, please visit the TASCAM
website (http://tascam.com/) to register as a user
online.
TASCAM US-2x2/US-4x4
5