01. Headphone and Headset Measurements

Listen Headphone testing for ANY Headphone,ANY Measurement

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Listen's Headphone Testing can measure different types of Headphone or Headset, which included Bluetooth, Active Noise Cancellation, IEM, ANC, Bone Conducting and Earbuds, e.t.c. 

Listen的耳机测试可以测量不同类型的耳机或耳机，包括蓝牙、主动降噪、IEM、ANC、骨传导和耳塞、等等。

GRAS

ANY Headphone, ANY Measurement  任何耳机，任何测量

SoundCheck offers simple,fast and accurate testing of any headphone. SoundCheck is a complete system for testing and measuring headphones and headsets from the R&D lab to the production line. 

SoundCheck为所有耳机提供简单，快速和准确的测试。 SoundCheck是一个完整的系统，用于测试和测量从研发实验室到生产线的耳机和耳机。

Listen Headphone testing 

Its Measurement include 其测量包括：

Frequency response, Phase, Distortion, Rub & Buzz, Polarity, impedance, sensitivity, Left/ Right earphone tracing , Maximum SPL to EN-50332, Diffuse or Free-Field corrected responses according to IEC 268-7 and IEC 581-10 or other target curve and also the active Noise Cancellation and passive attenuation.

频率响应、相位、失真、摩擦和嗡嗡声、极性、阻抗、灵敏度、左/右耳机跟踪，并符合EN-50332的最大声压级、符合IEC 268-7和IEC 581-10的漫射或自由场校正响应或其他目标曲线以及主动噪声消除和被动衰减。

Listen Headphone testing 

The Headphone test hardware included AudioConnect, AmpConnect, SoundConnect 2, BTC-4148 and BQC-4148 Bluetooth Interface

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S&V Samford Instruments LTD. 

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