Sennheiser has been pretty busy lately. First they released their $400 Momentum 3’s and then they released their $350 PXC 550-II’s. But now they’ve released a more budget friendly option… their new HD 350BT’s. Now even though these headphones have great build quality and sound decent… I can’t help but feel that these headphones are a downgrade from the 4.40BT’s that they’re replacing and I also can’t help but feel that Sennheiser is really trying to up sale you to their new HD 450BT’s.