Compare Koss KTX-PRO Headphones to Sennheiser HD428 Headphones

These are lightweight, portable stereo phones. They have volume control on the cord for easy level adjustment, Frequency Response: 15-25, 000 Hz, titanium layered diaphragm for accurate sound reproduction, foam ear cushions for an open, hear-through sound and adjustable headband with sling for a comfortable and secure fit. Less

Sennheiser HD 428; circumaural; dynamic; 110 dB; 32 Ω; neodymium; 0.1 %Want a pair of headphones that sound as good as they look? Look no further for the HD 428 not only come with an innovative crosshair design and rugged rubber finishing on their earcups; but their high-output neodymium magnets provide for a powerful stereo sound reproduction. Not to forget; their closed circumaural configuration effectively blocks outside noise while the single-sided cable reduces tangling; ensuring high comfort and ease-of-use.- High-output neodymium magnets for a stereo sound with powerful bass.- Closed circumaural design blocks outside noise for pure audio enjoyment.- Bold crosshair design on earcups; rubber finishing for long lasting strength and durability.- Single-sided cable for convenient handling.- Optimised for iPod; iPhone; MP3 and CD players (iPhone and iPod are trademarks of Apple Inc.; registered in the U.S. and other countries). Less