IEMatch built in to reduces the annoying hiss from high-sensitivity headphone High Resolution Audio - XSpace and XBass technology delivers amazing sound performance Supports K2HD Coding-- JVC's unique set of algorithms and high bit digital conversion are used to restore some high frequency signals that may have been lost during CD pressing Four digital filter for PCM playback: BP/GTO/STD/MIN 4.4mm Balanced output, a symmetrical twin-mono output stage and 475mW maximum output power General Disclaimer: The image colour may differ from the actual product due to lighting. Please refer to the product for accuracy.