Sennheiser Introduces new HD 400 Series Headphones at IFA 2015
Sennheiser has launched the next generation of its HD 400 series of over-ear headphones at IFA 2015, in Berlin. The lightweight and affordable range includes the closed-back HD 451, HD 461 and HD 471 models. Powered by Sennheiser’s proprietary neodymium magnets, the HD 451 and HD 461 models feature powerful bass, whereas the HD 471 offers a more balanced sound experience.