I ordered a 2nd DSW.2 as this is clearly a hardware limitation of the subwoofer. Using 2 of these together with my trinnov (stacked) sub correction i'm sure it will solve the popping as the subs will be attenuated according this diagram:

[Linked Image]

Expensive fix, but beside the popping fix it will enhance my complete experience (i hope:))

Living: Trinnov Alt32, 271, DSP7200SE, DSP7200HCSE, DSP5200SL, DSP320.2 heights, DSW.2, LG OLED 77C8P, Xbox One X, AppleTV 4K.
Office: DSP5200SE, 218 Zone Controller