The Audio Technica ath-anc33is noise reduction earphone. I found it to be a very good earphone for a very reasonable price
it has a long cable with a clip. It is not so heavy and last for long hours.
The inside with the battery AAA compartment. The battery lasts many days. At least a few 12 hours international flights.
this is the AS3400/10/30 are speaker driver with Ambient Noise Cancelling. it is intended to improve quality of music listening, a phone conversation etc. by reducing background ambient noise.
here the datasheet of the AS3400, AS3410, AS3430.
The volume button of the ATH-ANC33is noise cancelling earphone
This is a really good noise cancelling earphone from Audio Technica. The ATH-ANC32is just does not have the microphone.
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