D01236020G 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 Features........................................................................................... 3 Conventions used in this manual........................................... 3 Trademarks and copyrights...................................................... 3 Using the TEAC Global Site....................................................... 3 Notification function................................................................
1 – Introduction Features oo 24-bit/96kHz audio interface oo Multiple1 analog signals (L/R) can be input simultaneously and output to a computer by USB at the same time oo Multiple XLR mic inputs (balanced2) and standard TRS jack inputs (balanced3/unbalanced4) oo Electric guitars and basses, for example, can be connected to the standard TS jack inputs when the MIC/LINE INST switch is set to INST (instrument input)5 oo Balanced stereo line6 and headphone7 outputs oo MIDI IN and OUT connectors oo Direct monit
2 – Names and functions of parts Front panel 1 7 8 2 3 9 4 5 0 q w 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). 3 GAIN knobs Use to adjust the input levels of 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 US-4x4 rear panel r t y 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 10 32-bit Windows 10 64-bit Windows 8.1 32-bit Windows 8.1 64-bit Windows 7 32-bit SP1 or later Windows 7 64-bit SP1 or later (Windows 8, Windows Vista and Windows XP are not supported) 88 Computer hardware requirements Windows computer with a USB 2.
3 – Installation 6. Read the contents of the License Agreement, and select “I accept the agreement” if you agree to the terms. Then, click the “Next” button. Installing the Mac dedicated software NOTE • Before starting to install the Mac dedicated software, quit other applications. • While installing the Mac dedicated software, a warning message like this might appear: “US-2x2_US-4x4 Installer. dmg” can't be opened because it was not downloaded from the Mac App Store.
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 oo 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. Uninstalling the dedicated software NOTE Normally, there is no need to uninstall the dedicated software.
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. oo 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. Power outlet PS-P1220E (included) DC plug 2 1 $ 5 % 4 1 Move the latch on the AC adapter in the direction of the arrow. 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 oo Carefully read the operation manuals of the devices to be connected and then connect them correctly. oo Before making connections, turn this unit and all equipment to be connected off (standby). oo If possible, install all connected devices so that they are powered from the same AC power supply line.
5 – Connections Electronic instruments and other audio equipment When connecting an electronic instrument or other audio equipment directly to this unit, use the IN1 and IN2 jacks on the front of the unit and set their MIC/LINE INST switches to MIC/ LINE. Analog record players The output of an analog record player cannot be connected directly to this unit.
6 – Using the Settings Panel Opening the Settings Panel HOME page You can use the Settings Panel to make settings for the various functions of the unit. Open the Settings Panel in the following manner. Windows 88 Windows 10 Click the Windows Start button and select All Programs w TASCAM w US-2x2 & US-4x4 Settings Panel. 88 Windows 8.1 Right-click the Windows Start button and select Control Panel. NOTE You can also left-click the Start button to open the Start screen.
6 – Using the Settings Panel Settings page 1 Direct Monitor Settings IN 1-2 and IN 3-4 (US-4x4 only) Set the monitoring signal for the IN1-IN2/IN3-IN4 jacks to “Mono” or “Stereo”. oo When set to “Mono” Stereo signals sent to the computer remain unchanged, but are output as mono signals from the LINE OUT (BALANCED) and PHONES ( 1 and 2 jacks on US-4x4) jacks.
6 – Using the Settings Panel Custom page 6 Output selection Set whether the output signal is handled as mono or stereo. Options “Mono” Only the audio from the left side can be handled when using some applications. When using an application like this, audio from the right side cannot be transmitted or recorded. Set to Mono to mix both left and right signals to mono and transmit that sound to the computer. “Stereo” Set when the application being used supports stereo.
6 – Using the Settings Panel Mac Settings Panel overview 1 Status display area This shows the current status of the software. Item displayed Software Ver. Meaning This is the software version. Sample Rate This shows the sampling frequency. The sampling frequency can only be set in the Windows version. Use the displayed value pull-down menu to select the frequency (44.1, 48, 88.2 or 96 kHz). This is the firmware version used by the connected unit. This is the name of the connected unit.
6 – Using the Settings Panel Notification function If the computer you are using is connected to the Internet, notifications might appear when the Settings Panel is launched. NOTE Put a check in the “Do not show the same message again” checkbox to prevent the same message from being shown the next time it is launched.
7 – Application Guide In this chapter, we explain how to set some audio applications for use with this unit. 1. Open the OS Control Panel. DAW software NOTE Bundled DAW software Download quickstart guides for the bundled DAW software from the TEAC Global Site (http://teac-global.com/), and refer to them for instructions about downloading, installing and making settings in these applications. When using any other DAW software, consult its operation manual.
7 – 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”).
8 – 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. An external power supply device is necessary. See “Connecting the power” on page 10 for details.
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 88 Sound breaks up or there is noise. 88 Support for Bundled DAW Software The processing load on the computer causes sound to break up and noise to occur. Here are some methods to reduce the load on the computer. TASCAM does not provide end-user support for the bundled DAW Software. Please check the Help menu of the installed software to find where this support is available. 1.
11 – Specifications Audio resolution 88 Sampling frequencies 44.1, 48, 88.2, 96 kHz 88 Quantization bit depth 16/24-bit Input/output ratings Analog outputs Line Outputs (balanced) US-2x2: LINE OUT 1-2 US-4x4: LINE OUT 1-4 Connectors: 6.3mm (1/4") standard TRS stereo jacks (Tip: HOT, Ring: COLD, Sleeve: GND) Output impedance: 110 Ω Rated output level: +4 dBu (1.273 Vrms) Maximum output level: +20 dBu (7.
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 10 32-bit Windows 10 64-bit Windows 8.1 32-bit Windows 8.1 64-bit Windows 7 32-bit SP1 or later Windows 7 64-bit SP1 or later (Windows 8, Windows Vista and Windows XP are not supported) Computer hardware requirements Windows computer with a USB 2.
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