SONY MDR-ZX110NAB Noise-Cancelling Headphones - Black

Sony MDR-ZX110NA Overhead Noise Cancelling Headphones - Black. Verify if your player/playback device isn?t set to MUTE, and/or if the volume isn?t set to a very low level. Make sure that the headphones plug is properly connected to the device. Sometimes the headphones plug can be a bit rigid, hindering complete insertion. Additionally, phone or tablet covers can prevent the plug from being comp...