I hold a bachelor’s degree in both music performance and audio production from Ithaca College, and I’ve reviewed nearly 2,000 pairs of headphones for Wirecutter alone. The sound quality isn't the only thing on offer from the Px7 S2e, however. There are 30 hours of battery life on offer, equaling https://www.youtube.com/watch?v=yq-E92r-iOE