Here we show you comparison of Sennheiser HD 660 S vs Sennheiser HD 559 based on specifications, reviews and ratings. Based on our rating, HD 660 S has a total rating of 8 out of 10 vs 7 out of 10 for HD 559.
The Sennheiser HD 660 S is better headphones in this comparison. Check Sennheiser HD 660 S price