Sennheiser HD 450BT lead four-strong wireless headphone range at CES 2020

[What Hi-Fi?]

There are two new pairs of over-ear headphones and two pairs of wireless in-ears.

Sennheiser HD 450BT lead four-strong wireless headphone range at CES 2020 : Read more

 

[mal]

HD 450BT specs do not list support for APTX-HD. Why not? Wouldn't it improve the sound on supported devices?
https://www.aptx.com/aptx
https://www.aptx.com/aptx-hd