Audio-Technica ATH-AD900X Solid State Amps At its heart is a

At its heart is a Spartan 6 FPGA loaded with over a million lines of code

ZeosPantera highlights how the FT13 repeats FiiO's closed back success with its rich wood build in his hands-on review

Optional wood version also available

Custom DC plugs for a secure

and comfortable to listen to for hours

Audio-Technica ATH-AD900X Solid State Amps At its heart is aThe upper tier of Audio Technica's Air Dynamic series, the ATH AD900X brings a 53mm driver and honeycomb aluminum housing to an open air design that produces one of the widest and most natural soundstages available at its price. Type and Technology Over ear, open back, dynamic. 53mm driver with CCAW voice coil in a lightweight honeycomb aluminum housing that creates no sense of pressure on the ears. Audio Technica's self adjusting 3D Wing Support