Box Audio USB - Classroom Control Software Digital Language Laboratory Made in Italy

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ESA04 DUO Easy Audio Box
The new Easy Audio Box ES A04 DUO is an optional that does not require any type of system, connects directly to the PC's USB port and includes a powerful graphics card Audio Amplified.

Also has a Teacher button called requests for help and buttons for volume control.
Can be used by two headphones and two microphones for simultaneous use of 2 Students.
Easy to install and you can adjust both the top and bottom of the table.

ES A04 DUO Easy Audio Module generates two audio high quality signals, we recommend to use it for professional LANGUAGE LABORATORIES, also provides a filtering function to delete "background noise" that the LAN and the PC normally cause at the headphones.


General Features

Easy Installation (PnP)
USB bus
Supports 2 + 2 Headphones Microphones
CALL button interfaced with the network Easy School Teaching
Volume Control Buttons
Software-control side-tone
48K / 44.1KHz
USB v2.0

Technical specification
Recording: Stereo 44.1 / 48 Khz
Playback: Stereo 44.1 / 48 KHz
USB 2x USB
1x USB Mini B
Output to 2 inputs and 2 Stereo Headset Microphones (for use with 2 headsets in one PC)
1 Aux Input
2 Stereo Aux Output

DV 5V power directly from USB port
Consumption: 30mA

Operating temperature 0 ° C ~ 45 ° C (32 ° F ~ 113 ° F)
Humidity 5% -91%
Net weight: 250g

CE and RoHS

The images are indicative and specifications are subject to change without notice.


EasySchool Srl
Mailling Address and  Headquarters :
Zona Industriale San Cataldo Scalo
93017 San Cataldo  - (CL)  - ITALY
Phone  : (++39) 0934 569288  (10 line )
VAT: IT 01340650850

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