Sennheiser IE 300The IE 300 is an innovative high fidelity earphone, purpose built for today's audio enthusiast that listens with an evolving collection of gear. Featuring a host of ground breaking acoustic technologies that supercharge our 7mm XWB transducer, it creates an effortlessly balanced audiophile listening experience wherever you want one. German made 7mm XWB transducer for natural balanced sound Resonator chamber to remove masking resonances Newly developed
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