SiegfriedOn Page 4 of the "Massdrop Objective 2 (O2) Headphone Amplifier" Drop discussion page Will said "we're using an aluminum box with all the same specs, no reason to waste money on a "brand name" aluminum box."
bickel72Thanks bickel72 just wanted to make sure as someone post an earlier message saying it looks like the same material as computer case 😃
Hesitate between this drop and the Aune X1S. 😕 don't know wich one would make my HE400 sound better.