Intro : English is not my native language, so forgive me for lots of error in grammar and sentence structure. source i used : - fiio k7 - fiio k9 pro - aune ar5000 - custom SPC cable - tidal & spotify design, build quality, fit : the first time i saw the design, its looks premium and thought its gonna be more than $500 but its actually much lower than that! and it really is nice & looks good after i received it. the finishing on the body is really neat and precise and this might be exaggerated but the movement on the swivel feels really smooth...