Your New Standard in High-Resolution Audio Introducing the ATH-MSR7b headphones by Audio Technica. Merging the prowess of the original ATH-MSR7 with cutting-edge connection capabilities, these headphones are a leap forward in portable high-resolution audio. Precision Sound with True Motion Drivers Experience audio as it's meant to be heard. The proprietary 45mm True Motion Drivers in the ATH-MSR7b ensure that every note, from the deepest bass to the highest treble, is delivered with exceptional