D01236020D US-2x2 US-4x4 USB Audio/MIDI Interface REFERENCE MANUAL Before connecting this unit to a computer, you must download and install dedicated software on the computer.
Contents 1 – Introduction...............................................3 SONAR LE and Cubase LE............................................16 Features........................................................................................... 3 Conventions used in this manual........................................... 3 Using the TEAC Global Site....................................................... 3 Other DAW software.....................................................16 Windows Media Player........
1 – Introduction Features • 24-bit/96kHz audio interface • Multiple1 analog signals (L/R) can be input simultaneously and output to a computer by USB at the same time • Multiple XLR mic inputs (balanced2) and standard phone jack inputs (balanced3/unbalanced4) • Electric guitars and basses, for example, can be connected to the standard phone jack inputs when the MIC/LINE INST switch is set to INST (instrument input)5 • Balanced stereo line6 and headphone7 outputs • MIDI IN and OUT connectors • Direct monitor
2 – Names and functions of parts Front panel 1 7 2 8 3 9 4 5 0 q 2 1 6 w 7 8 0 US-4x4 front panel 1 SIG indicators The SIG indicators light green when signals (of at least −32 dBFS) are input through the IN1/IN2 jacks (and US-4x4 IN3/ IN4 jacks). 2 PEAK indicators The PEAK indicators light red when signals that are about to distort (−1 dBFS or higher) are input through the IN1/IN2 jacks (and US-4x4 IN3/IN4 jacks).
2 – Names and functions of parts NOTE w PHONES jack Use this standard stereo phone jack to connect stereo headphones( 1 and 2 jacks on US-4x4). Each of these jacks outputs the same signal as the LINE OUT 1–2 jacks. Use an adapter to connect headphones with a mini plug. The same signals are output from both the 1 and 2 jacks of the US-4x4. Rear panel e r t y i e US-4x4 rear panel e LINE OUT (BALANCED) jacks These standard TRS jacks are analog line outputs.
3 – Installation System requirements For the latest information about supported operating systems, visit the TEAC Global Site (http://teac-global.com/). Windows 88 Supported operating systems Windows 8 (including 8.1) 32-bit Windows 8 (including 8.1) 64-bit Windows 7 32-bit SP1 or later Windows 7 64-bit SP1 or later (Windows Vista and Windows XP are not supported) 88 Computer hardware requirements Windows computer with a USB 2.
3 – Installation 6. Click the “Next” button when the screen below appears. Installing the Mac OS X Settings Panel NOTE 7. Read the contents of the License Agreement, and select “I accept the terms in the license agreement” if you agree to the terms. Then, click the “Next” button. • Before starting to install the Settings Panel, quit other applications. • During driver installation a warning message like this might appear: “US-2x2_US-4x4 Installer.
3 – Installation 5. Click the “Read License” button and check the contents of the Software License Agreement. If you agree to the contents of the license, click “Agree”. Then, click the “Next” button. Working with Gatekeeper When using Mac OS X, depending on the Gatekeeper security function setting, a warning message might appear during installation. The solution depends on the warning message shown. See the following explanations for details.
3 – Installation • Changing the Gatekeeper setting The Gatekeeper setting can be changed using the “Allow applications downloaded from:” item on the “General” page of the “Security & Privacy” pane of the System Preferences. To change this, you must click the lock icon ( ) at the bottom left and enter a password to unlock the settings. 4. When the “Remove that Program” screen opens, click the “Remove” button. 5. The following screen appears when uninstallation has completed. Click the “Finish” button.
4 – Preparation Connecting the power Changing the outlet plug (US-4x4 only) 3 88 US-4x4 Connect the power to the US-4x4 as shown below. * The AC adapter for the US-4x4 includes two types of outlet plugs. Attach the type of plug that matches the power outlet that you are using. 1 $ 5 % 4 1 Move the latch on the AC adapter in the direction of the Power outlet GPE248-120200-Z (included) 2 arrow. DC plug 2 Pull off the outlet plug. 3 Replace it with the other outlet plug (A or B).
5 – Connections Connecting other equipment Audio connections This is an example of US-4x4 connections. 88 Precautions before making connections • Carefully read the operation manuals of the devices to be connected and then connect them correctly. • Before making connections, turn this unit and all equipment to be connected off (standby). • If possible, install all connected devices so that they are powered from the same AC power supply line.
5 – Connections Monitor speakers Connect monitor speakers (powered speakers or an amplifier and speaker system) to the LINE OUT 1-2 jacks on the back of the unit. Use the LINE OUT knob on the front of the unit to adjust the speaker volume. Headphones Connect headphones to the PHONES jack (standard stereo) on the front of the unit. NOTE The same signals are output from both the 1 and 2 jacks of the US-4x4. CAUTION Before connecting headphones, minimize the volume with the PHONES knob.
6 – Using the Settings Panel Opening the Settings Panel You can use the Settings Panel to make settings for the various functions of the unit. Open the Settings Panel in the following manner. 88 Windows OS • Select the Settings Panel from “All Programs” or “All apps” Windows 7 Start button All Programs q select “TASCAM US-2x2 & US-4x4 Settings Panel” under TASCAM and opened the Settings Panel. Windows 8 In Windows 8, right-click the Start screen and click the “All apps” button (in Windows 8.
6 – Using the Settings Panel 3 Buffer Size item (Windows Only) The driver for the unit stores the audio input and output signals transferred to and from the computer temporarily in a buffer. This buffer size can be adjusted. Smaller buffer sizes result in less audio signal delay (latency), but require high-speed processing by the computer. If the processing cannot keep up, for example, due to other system operations, clicking and popping noises might occur and the audio signal might even drop out.
7 – Standalone Mode Overview This unit will operate in standalone mode if it is turned on when it is not connected to a computer by USB. You can use this unit as a mic preamp and to monitor input signals. This function is convenient when you want to practice an instrument without recording, for example. However, when using US-2x2 in standalone mode, a TASCAM PS-P520 DC5V AC adapter (sold separately), which is designed for use with this unit, is necessary.
8 – Application Guide In this chapter, we explain how to set some audio applications for use with this unit. DAW software • If you still cannot hear sound after making the settings and completing the procedures above, restart the computer. • If you make this setting, sound will be output through this unit, but no sound will be output from the computer’s speakers or headphone jack.
8 – Application Guide Mac OS X and iTunes 1. Open the Utilities folder within the “Applications folder”, and double-click “Audio MIDI Setup”. Then open the “Audio Devices” window. 2. Click “TASCAM US-2x2 Audio Device” (or “TASCAM US-4x4 Audio Device”) to select it and right-click or control-click it. Then, click “Use this device for sound output” in the pop-up menu. The speaker mark appears next to “TASCAM US-2x2 Audio Device” (or “TASCAM US-4x4 Audio Device”).
9 – MIDI Implementation Chart 88 MIDI Implementation Chart Function Transmit Recognize When power on — — Settable — — When power on — — Messages — — Thru Altered .................... Range — — Thru Note on — — Note off — — Polyphonic — — Channel — — Pitch bend — — Thru Control change — — Thru — — Basic channels Mode Note number Velocity Aftertouch Program change Setting range System exclusive System common System real-time Other ....................
10 – Troubleshooting Please read this chapter if you are unable to use the unit properly even after setting it following the procedures in this manual. If you are still unable to resolve a problem, please contact TASCAM customer support with the following information about the operating environment and details about the trouble.
10 – Troubleshooting Windows 7 a) Turn “Aero” off. 1 Right-click the desktop and select “Personalize”. 2 Select a “Basic” or “High Contrast” theme. b) Performance settings 1 Right-click “Computer” and select “Properties”. 2 Click “Advanced system settings”. 3 Click “Settings” in the “Performance” section of the “Advanced” tab of the “System Properties” window. 4 In the “Visual Effects” tab of the “Performance Options” window, select “Adjust for best performance”.
11 – Specifications Audio resolution 88 Sampling frequencies 44.1, 48, 88.2, 96 kHz 88 Quantization bit depth 16/24-bit Analog inputs Mic inputs (balanced) US-2x2 US-4x4 Connectors : IN 1-2 : IN 1-4 : XLR-3-31 equivalent (1: GND, 2: HOT, 3: COLD) Input impedance : 2.2 kΩ Rated input level : −65 dBu (0.0004 Vrms) (gain knob at MAX) Rated input level : −8 dBu (0.3090 Vrms) (gain knob at MIN) Maximum input level : +8 dBu (1.
11 – Specifications Computer system requirements Check the TEAC Global Site (http://teac-global.com/) for the latest information about supported operating systems. Windows Supported operating systems Windows 8 (including 8.1) 32-bit Windows 8 (including 8.1) 64-bit Windows 7 32-bit SP1 or later Windows 7 64-bit SP1 or later (Windows Vista and Windows XP are not supported) Computer hardware requirements Windows computer with a USB 2.
TASCAM US-2x2/US-4x4 23
TEAC CORPORATION Phone: +81-42-356-9143 1-47 Ochiai, Tama-shi, Tokyo 206-8530 Japan TEAC AMERICA, INC. http://tascam.jp/ http://tascam.com/ Phone: +1-323-726-0303 1834 Gage Road, Montebello, California 90640 USA TEAC MEXICO, S.A. de C.V. http://teacmexico.net/ Phone: +52-55-5010-6000 Río Churubusco 364, Colonia Del Carmen, Delegación Coyoacán, CP 04100, México DF, México TEAC UK Ltd. http://tascam.eu/ TEAC EUROPE GmbH http://tascam.eu/ TEAC SALES & TRADING(SHENZHEN) CO., LTD http://tascam.
