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New advances in materials and design have served to expand the performance of Koss products. The company's product development team and engineers look for the most innovative combinations of existing and new technologies to deliver the most exciting products possible.
A home headphone is a headphone that is primarily used in the home, with home electronics. Generally speaking, home headphones are somewhat larger and more isolating.
Koss PRO4 AAT model features a titanium-coated high polymer diaphragm for accurate sound reproduction, closed ear cushions for maximum bass and isolation as well as oxygen-free copper voice coils for signal clarity.