I know the enticement of this drop is the gambling aspect of it but just realize that the retail price of these are 50 dollars less then their retail value as marked on here. So for 50% of the people who get HEM2's you essentially paid normal price.
Also you can get HEM4's for $139.00
https://www.sonicelectronix.com/item_109391_NuForce-HEM4.html
Also you can get HEM4's for $139.00
https://www.sonicelectronix.com/item_109391_NuForce-HEM4.html