Sennheiser has introduced three new families of headphones, the CX II, IE and MM series.According to a press release, the CX II range includes products like the CX 300 II, CX 350 II, CX 400 II, CX 550 II and CX 6 among others. The new Sennheiser CX II earphone series are available in Street, Sport, Gaming, Travel and Style variants and sport different designs & colors. All of these are noise-isolating, in–ear canal headphones. The IE series' flagship model, IE 8, enables the user to fine-tune the bass response according to preference. Also included in this family are the IE 6 and IE 7 headsets which are powered by neodymium drivers. The MM series is specially designed for the iPhone and Nokia cell phones respectively. The MM 50 and MM 60 headsets are foldable and make for easy portability.