The headphones’ accomplished acoustic performance is assured by state-of-the-art Bluetooth connectivity: support for hi-res codecs including LHDC, aptX HD, and AAC allows the IE 80S BT to process high bit rates so the listener can enjoy uncompressed music formats on par with wired performance. Audiophile sound quality is also guaranteed by a top-of-the-line high-end AKM DAC that allows the listener to experience the full performance of the Sennheiser dynamic speaker system: thanks to powerful neodymium magnets this ensures brilliant sonic accuracy and clarity. For supreme versatility, support for aptX Low Latency also ensures perfect synchronization with video content.