Grado Signature HP100 SE Special Edition Open-Back Headphones 2nd day ship S8Z has upgraded the drivers

S8Z has upgraded the drivers with adopting Sonion 37 series compound bass drivers

the most powerful output of any Astell&Kern player

And if you set-up Hey Google

perfect for audiophiles who demand seamless connectivity and superior performance

It is made of the latest self-developed ultra-thin composite material

Grado Signature HP100 SE Special Edition Open-Back Headphones 2nd day ship S8Z has upgraded the driversSignature HP100 SE Grados new Signature HP100 SE headphones are a contemporary homage to the trailblazing high end HP1 model heralding a new design direction. World renowned designer and manufacturer of award winning headphones, Grado Labs presents its newest and flagship model, the Signature HP100 SE. Grado Labs founder Joseph Grado created what many consider to be the high end headphone market with the release of the Signature HP1 headphone in the