Single Balanced Armature Drivers make for great sound & easy portability Denons Music Maniac AH-C250 In-Ear headphones feature single balanced armature full range drivers with a passive crossover to deliver crystal clear vocals and powerful bass. These balanced armature drivers are set in a zinc die-cast housing providing a luxurious yet durable sound experience. Strong yet Delicate Dont let the delicate design of these headphones fool you into thinking theyre not durable. The Music Maniac AH-C250 In-Ear headphones feature zinc die-cast housing for a highly machined experience. The Denon Music Maniac In-Ear headphones feature double layer jacket cable, so the cable doesnt get tangled easily. An in-line remote & microphone is incorporated for easy control of your Apple iPod, iPhone or iPad„ and placed slightly higher on the cable towards your mouth than conventional models for enhanced call clarity. Feel the Music. Not your headphones Real music aficionados get so immersed in their music that its easy to spend hours enjoying their favorite tunes in pristine quality. At Denon we believe you should feel the music, not your headphones. In a quest to provide the most comfortable, best fitting headphones, Denons engineers have studied over 4,000 pairs of ears from people around the world, to come up with a design that automatically accounts for the subtle differences in ear shape, placement, ear canal size, head size and jaw depression. We know that fit and comfort comes from paying attention to the small details. Denons Music Maniac In-Ear headphones are designed to deliver a powerful performance from a small form factor and include your choice of custom ear tips to custom fit your ears and to provide superior noise isolation. Choose between Silicon ear tips (XS, S, M, L), or Double Solid Silicon Ear tips (S, M, L). Also included is protein leather carrying case with detachable karabiner.