ONEBOX-Integrated Machine

In order to further meet the high requirements of consumers for audio performance, OSsens independently developed the ONEBOX series multi-function audio test machine, integrating sound card, power amplifier, signal conditioner and PDM decoder and other functional modules in one, with easy management, connection, maintenance, handling, small footprint and other advantages.


Can be flexibly configured according to customer needs, to meet such as mobile phones, computers, headphones, speakers, speaker modules, digital/analog microphones and other products and a variety of noise and noise testing needs.


Product Features

OSENS is driven by technological innovation and constantly pursues better quality

Widely Applicable

Comprehensive portfolio

Function Integration

Functional integration

Excellent Performance

High response speed and reliability


Reliable Performance

Ensure safety and reliability







Technical Parameters

Onebox-4220A

sound card:4 output channels 4 input channels
Power amplifier:2 channels

Signal conditioner:

2 channels




Onebox-4240A

sound card:4 output channels 4 input channels
Power amplifier:2 channels

Signal conditioner:

4 channels




Onebox-4240D

sound card:4 Differential/Output channels 4 Differential/input channels
Power amplifier:2 channels
Signal conditioner:4 channels




Onebox-4222A

sound card:4 output channels 4 input channels
Power amplifier:2 channels

Signal conditioner:

2 channels
PDM decoder2 channels




Onebox-4244A

sound card:4 output channels 4 input channels
Power amplifier:2 channels

Signal conditioner:

4 channels
PDM decoder4 channels




Onebox-8880A

sound card:8 output channels 8 input channels
Power amplifier:8 channels

Signal conditioner:

8 channels




Onebox-2220C

sound card:2 output channels 2 input channels
Power amplifier:2 channels

Signal conditioner:

2 channels



Multi-channel high-precision sound card

  • The input background noise is lower than -130 DBV

  • The output background noise is lower than -125dBV

  • When the input signal is 100mV, THD<0.0023%, and when the output signal is 100mV, THD<0.0013%



The power amplifier test module supports speaker testing up to 20W

  • Signal flatness 20~20kHz within 0.1dB

  • When output 25mV signal, THD is less than 0.06%

  • When output 5V signal, THD is less than 0.001%



The PDM decoder can meet the diverse scenario test

  • Supports simultaneous testing of 4 PDM Mic

  • Supports any clock signal from 0.5M to 6.144MHz


“发现声音中的真正价值,以及如何更好地使用声音来创造更加深刻且有意义的体验。”

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