Shure SE846-CL Sound Isolating Earphones with Quad High Definition MicroDrivers and True Subwoofer<div style="text-align: left;"><strong>[Product Information]</strong><ul><li><span class="a-list-item"> Quad Hi-Definition MicroDrivers: For extended high-end clarity and unparalleled low-end performance </span></li><li><span class="a-list-item"> Patented Earphone Design with Groundbreaking Low-Pass Filter: Provides previously unattainable deep low-end performance of a True Subwoofer without sacrificing clarity or detail </span></li><li><span class="a-list-item"> Customizable Frequency Response: Adjustable sound signatures available (including balanced， warm or bright) via changeable nozzle inserts and removable， metal nozzle </span></li></ul></div><img src="http://ecx.images-amazon.com/images/I/31pLu5SNmvL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41-ikfDogPL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/414cIveXNWL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/31Fk0twNqmL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/31yLu9nkW1L.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/31nHefFkjeL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/81fxBNW0R3S.png" noproxy>