Hifiman RE-400i or RE-400a for $49 each [updated: RE-400 no longer on sale]

While preparing the Deal Survivor round-up, more discounting happened on the Hifiman RE-400* front. The Android RE-400a, and the iOS RE-400i are on sale for $49 each by various at Amazon.

As of a 12/15/16 recheck, the wired-only RE-400 returned to their $79 price perch.