Audio-Technica ATH-WS770iS Black / Red Solid Bass Headphones (Open Box) add extension cable option The chassis is made using

The chassis is made using a milling and blasting process

3 mm (1/4") screw-on adapter

0) - Output noise floor 0

and they continued to be made using the same structure for many years

Audio-Technica ATH-WS770iS Black / Red Solid Bass Headphones (Open Box) add extension cable option The chassis is made using53mm Deep Motion Drivers to achieve extremely rich, high fidelity bass sound. Aluminum finishing for anti vibration to produce clear mid high frequencies. In line control with mic for handling calls and controlling music and video playback. Swivel Design for easy keeping. Audio Technica ATH WS770iS Red Solid Bass Headphones Audio Technica ATH WS770iS Red Solid Bass Headphones delivers impactful bass, along with smooth, accurate midrange and treble,