Display lighting set to middle.

A/B testing DX200 vs DX220

Step one: Get up early whilst the house is quiet. Assemble daps and earphones.

Step two: Put identical amp modules in each (amp 8 x2).

Step three: match the gain. 
DX200 low
DX220 middle

Step four: Volume match using spl meter.

Step five: Choose some generic test tracks.

Step six. Take a few photos.

Step seven. Start listening.

Step eight: Families small children wake up. A/B session aborted!

Step nine: Prepare breakfast.

The case has internal rubber which adds firmness, strength but keeps it supple.

Original top, New bottom

(The original Andromeda I gor in April or May 2017).

New left, original right