“The frequency response is stated as a range of 4 to 40,000 Hz? Does this have an analog connection 3.5mm audio cable? I thought bluetooth was limited audio range 18 to 21,000 Hz? Are these bluetooth or wifi?”
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I don't know if they come with a audio cable, but there IS an input for a cable.
Sorry, there was a problem. Please try again later.You can use them as either Bluetooth or use it with the provided 3.5mm jack. There's nothing special to the cord like Bose's 2.5mm to 3.5mm. the Sony's are 3.5mm at both ends of the cord with one end being at a 90 degree angle. I returned the Bose because I felt they packed in sound quality and ANC.
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