Sennheiser CX 3.00 In-ear in-ear headphones wired 3.5 mm jack black. Bring sound to life with Sennheiser's new CX 3.00 in-ear headphones that deliver surprisingly detailed sound and enhanced bass response in an incredibly small size. Its in-ear design reduces ambient noise to a minimum and the included ear adapter set ensures an individual fit with four sizes XS, S, L, M to choose from. These are the in-ear headphones you've been looking for. Try them today.
