Drop + THX AAA 789 Linear Headphone Amplifier Desktop Amp MDX-33341-1 Description: Condition: New Opened BoxFeatures:Announced at CES 2018, the Drop + THX Achromatic Audio Amplifier (THX AAA) 789 is a bipolar amplifier with feed-forward error correction. It?s designed for objectivists who appreciate an incredibly clean, transparent amp?the sought-after ?wire with gain? whose amplification is wholly uncolored by a sound of its own. Made in collaboration with THX Ltd. , it features the company?s groundbreaking THX AAA and feed-forward topology, w