https://tinyurl.com/y3pdwl92
Astell&Kern expands the partnership with Beyerdynamic with the
release of the new Astell&Kern AKT9iE, a high-end IEM and update to the
highly successful AKT8iE.
The AKT9iE is optimized for use with Astell&Kern Digital Audio Players (DAP).
The AKT9iE features a newly designed acoustic vent port and filter that are
used to complement the bass and deliver much smoother musical highs.
A pure silver and OCC hybrid cable with low electrical resistivity,
combines dynamics and clarity for a smooth and comfortable sound.
The AKT9iE is available in July 2019 for $1,100.
新设计的低音通孔和滤网，让高频更滑顺更动听，低频更完整
2019七月上市，1100镁
所以那个T2呢.....