T+A HCP Headphone Cable for Solitaire P (Open Box) Cable Termination:4.4 mm Pentaconn 3D Printed physical band pass&low

3D Printed physical band pass&low pass filter ducts

They said physics would never allow it

Due to their higher output spl and using two EST dual drivers

Added oomph

and the pink-colored section (cavity of the concha) is the 3rd position which contributes to the ultimate stability and fitting

T+A HCP Headphone Cable for Solitaire P (Open Box) Cable Termination:4.4 mm Pentaconn 3D Printed physical band pass&lowT+A offers a selection of three different headphone cables. 6. 35 mm barrel connection type. The jack is regarded as the most popular and frequent connector to date. However, this design is not symmetrical as the left and right channel are not separated. 4. 4 mm Pentaconn connector. Its symmetrical wiring allows for a complete separation of the left and right channel. Severing the ground connection between both channels renders any adverse influences