As the successor of the legendary Future line-up, this iteration of development improved the Absolute Shielding Technology to another level with Kevlar infused shielding material creates better noise isolation, smaller form-factor and more durable. Future-S have more refined and extended treble compared to the previous generation gives its the most refined treble in its class as copper-based cable. Deeper and cleaner bass give both power and relaxation feeling to listening to. With clear and smooth vocal expression, Future-S is also good at express singer’s feeling and meaning.