So these are the Sennheiser Accentum, they are Sennheiser’s new entry level ANC Headphones that look very similar to the Sennheiser Momentum 4’s. Now the Accentum have some big upgrades over their predecessors, the HD 450BT’s like better Active Noise Cancellation, a longer lasting battery life and much more spacious ear cups… but there were some mistakes made here that a little hard to ignore. Nonetheless, lets see what the Sennheiser Accentum are all about.