CAP18

Wired this in as a stiffening cap for my sub amp and the difference was immediate, tighter bass with zero light dimming on hits. The reverse polarity warning actually saved me when I rushed the install and swapped the leads.

The reverse polarity warning beep saved my setup twice already, and the low ESR really shows on startup surges. 18 farads is overkill for my little bench supply but honestly that's exactly why I like it.

Bought this to smooth out voltage dips on a DIY bench supply and it holds steady even under heavy load. The low ESR really shows, and that reverse polarity beeper saved me from a dumb mistake on day one.