Sound test interface I Audio Test & Measurement

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AIO-H Module

Enquiry Item

The Headphone Test Module (AIO-H) is designed for making advanced acoustic and impedance measurements of a device under test (DUT)—typically wired headphones, headsets, earbuds, and hearing protection devices. AIO-H is a configuration option for the AIO Test System and requiresthe AIO chassis to operate.


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Product Features

Hardware Features

  • Two mic/line inputs
  • CCP/IEPE/ICP microphone power
  • TEDS reader for microphone data
  • Two single-ended headphone outputs
  • Internal impedance sense resistor
  • Additional inputs for voltage and current monitoring

 

Performance

The Echo AIO ™ is a modular audio test platform ideally suited for high-volume production-line testing and QA/QC verification. The AIO combines the functionality of multiple standalone devices into a single, integrated unit, making test stations both more reliable and less expensive.

 

MIC / LINE INPUTS

Two low-noise inputs accommodate a very wide range of input voltages, from dynamic microphones to line-level inputs. Features include adjustable gain, constant current power, and TEDS readers.

Screenshot 2023-08-10 112527

 

HEADPHONE OUTPUTS

Two high-quality single-ended outputs optimized for driving headphones and earbuds.

Screenshot 2023-08-10 143319-2-1

 

IMPEDANCE MEASUREMENT

Two additional inputs are used to measure load impedance via the remote voltage sense terminals and internal sense resistors. These inputs appear as additional audio input channels and can be switched to measure either output channel via the AIO control panel, or the command-line or API interfaces.

 

Product Applications

Key Applications

  • Headphones & earbuds
  • Mobile devices

Datasheets

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