ATR2USB 3.5 mm to USB Audio Adapter
Instruction Manual 
ATR2USB 3.5 mm to USB Audio Adapter
Manuel d’utilisation 
 Adaptateur audio ATR2USB 3,5 mm vers USB
Manual de instrucciones 
Adaptador de audio de 3,5 mm a USB ATR2USB
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Audio-Technica U.S., Inc.
1221 Commerce Drive, Stow, Ohio 44224 USA  +1 (330) 686-2600
 
www.audio-technica.com
 
©2012 Audio-Technica U.S., Inc.
P52408    
U.S. Lifetime Limited End-User Warranty
This Audio-Technica product purchased in the U.S.A. from an authorized Audio-Technica (A.T.U.S.) 
dealer is warranted for the lifetime of the original purchaser by A.T.U.S. to be free of defects in 
materials and workmanship. In event of a defect, End-User’s exclusive remedy is at A.T.U.S.’ elec-
tion, the cost of repair, refund of the purchase price in the form of credit or cash, or replacement of 
the product. A.T.U.S. reserves the right to replace any product with one of equal value. The product 
must be delivered to A.T.U.S., prepaid to the address below, together with the sales slip or other 
proof of original purchase and $8.00 for handling and return to a U.S. address. Check or money order 
required; no cash or stamps. 
This warranty excludes defects due to normal wear, abuse, shipping damage, or failure to use 
product in accordance with instructions. This warranty is void in the event of unauthorized repair or 
modification, or removal or defacing of the product labeling.
A.T.U.S.’ warranty is to the End User only.  Except for A.T.U.S.’ said express warranty, A.T.U.S. 
MAKES NO WARRANTIES, EXPRESS OR IMPLIED, WITH RESPECT TO THE PRODUCTS.  
A.T.U.S. SPECIFICALLY MAKES NO WARRANTY OF MERCHANTABILITY OR FITNESS FOR A 
PARTICULAR PURPOSE.
Except to the extent precluded by applicable state law, A.T.U.S. IS NOT LIABLE FOR 
CONSEQUENTIAL, INCIDENTAL, DIRECT OR SPECIAL DAMAGES ARISING, DIRECTLY OR 
INDIRECTLY, IN RESPECT OF SUCH PRODUCTS OR USE OR FAILURE THEREOF, WHETHER 
BASED ON BREACH OF WARRANTY, NEGLIGENCE, STRICT LIABILITY, TORT OR OTHERWISE.
This warranty gives you specific legal rights, and you may have other rights which vary from state 
to state.
Outside the U.S.A., please contact your local dealer for warranty details.
Audio-Technica U.S., Inc.
1221 Commerce Drive
Stow, Ohio 44224
English
Compliance with FCC rules (USA only)
This device complies with Part 15 of the FCC rules. Operation is subject to the following two 
conditions: (1) this device may not cause harmful interference, and (2) this device must accept 
any interference received, including interference that may cause undesired operation.
FCC WARNING 
You are cautioned that any changes or modifications not expressly approved in this manual could 
void your authority to operate this equipment.
Canada only 
This Class B digital apparatus complies with Canadian ICES-003.
Cet appareil numérique de la classe B est conforme á la norme NMB -003 du Canada.
The ATR2USB 3.5 mm to USB Audio Adapter turns any headphone, microphone or headset with 
3.5 mm plug into a USB-compatible device. This 3.5 mm to USB audio adapter is equipped with 
microphone and headphone inputs, a mute button, and volume control. The adapter features USB 
2.0 full speed operation, and it provides plug-in power for microphones that need power.
Features
USB 2.0 full speed operation
16 bit, 44.1 kHz / 48 kHz sample rate for high-definition audio
Provides plug-in power for mics that need power
Compatible with Windows 2000, XP, Vista, and Mac OSX 
1.  3.5 mm (1/8") Headphone Jack for connecting your favorite headphones
2.  3.5 mm (1/8") Microphone Jack allows you to connect a standard microphone with 
  3.5 mm (1/8") connector for quality recording/communication  
3.  Rotary Volume Control adjusts headphone volume
4.  Mute Light illuminates red when the microphone is muted
5.  Mute Button silences microphone audio at the touch of a button  
6.  USB Light illuminates green when properly connected to a powered computer USB port and  
  microphone is not muted.
7.  USB Connector – digital audio interface allows connection to a powered USB port and  
  microphone is not muted.
Operation
Headphones Connection
Use the 3.5 mm (1/8") headphone jack to connect headphones to your ATR2USB Adapter.  Adjust 
volume by rotary control; observe indicator for increasing or decreasing level.   Volume Note:
comes up at the level that was set when previous operation was disconnected.
Microphone Connection
Use the 3.5 mm (1/8") microphone jack to connect a standard microphone with 3.5 mm connector 
to your ATR2USB Adapter for quality recording/communication.
USB Connection
Connect the USB connector to a computer’s powered USB port. The green USB light should 
illuminate.  Be certain to use a powered USB port. When plugged into a monitor USB port Note: 
there is sometimes insufficient power to operate a microphone that requires plug-in power. In this 
case, plug directly into your computer USB port. 
Windows Operating Systems
From the Control Panel, open Sounds and Audio Devices. In the Audio tab, select ATR2USB  
from the drop-down menus for Sound playback and Sound recording.
Macintosh OSX Operating Systems
In System Preferences, open the Sound Preference window. Select ATR2USB from both the Input 
and Output tabs.
Muting
Press the mute button to silence microphone audio. The red mute light should illuminate (green 
LED will turn off). Press again to un-mute.
 
Troubleshooting
Problem   Solution
No USB light   Verify USB port is powered USB 1.1 or 2.0.
No sound in headphones   Use rotary control to turn up the volume.
Headphones are not   Windows: From Control Panel, open Sound and Audio  
loud enough  Devices, select Audio tab, click Volume under Sound  
      playback and turn up Volume Control.
 
      Mac: From System Preferences, select Sound, select  
      Output tab and turn up Output volume.
No sound from microphone   Check to see if microphone is muted (red LED    
      illuminated). Check to be certain the microphone and  
      headphone plugs are fully inserted. Make certain the  
      headphone or microphone you are using is not defective.
Specifications*
Frequency Response: 20 Hz-20 kHz (±1 dB); Signal to Noise Rate: Operation Voltage: >70 dB;   USB 
5V; USB Compatible: USB 1.0/USB 1.1/USB 2.0 full-speed; Bit Depth: 16 Bit; Sampling Rate: 44.1 kHz/  
48 kHz; USB Type: USB-B Type; Headphone Output Power: 13 mW @ 16 Ohms; Headphone Input: 
3.5 mm (
1
/
8
"); Microphone Input: 3.5 mm (
1
/
8
"); Operation System: Windows XP/Vista/Win7/MAC OS/
Linux; Compatible with Win 2000/ Win XP/ Vista/ Win 7 and Mac OSX without additional driver
* Specifications measured with headphones in active mode. Specifications are subject to change without notice.