Limited to 500 sets worldwide, the newest collaboration from Paul Smith is with Japanese audio component marker Audio Technica. Simply known as Limited Edition Headphones, the "over-the-ear" design is base on the Audio Technica's popular ATH-ES7 model. Instead of the polished aluminum casing in silver, the Paul Smith variant feature a machined aluminum casing in brass, etched with both collaborators' logos. The right and left side also feature the Paul Smith signature vertical stripes insignia. A 40mm drive and response frequency from 5 to 30,000Hz gives listener clarity in a comfortable package. Comes with a Paul Smith's carrying pouch, the Paul Smith x Audio Technica - Limited Edition Headphones is currently on sale at selected Paul Smith retail locations, including Paul Smith Jeans chapter on ZOZO online shopping network.