best overall amp electrical wise

[SWFL 10+ year member]

Rd d9

 

[Papermaker85 5,000+ posts]

mmats

dd m3/m4

sundown

cadence

rf

if i had the money i would do mmats in a heart beat..

 

[hispls 5,000+ posts]

Didn't notice the Soundstream on your list AFAIK they like 18V as well. (also same board as Lanzar Opti4000). A lot of guys around here use the AB 500.1, it's a beastly amp, does well on 12V electrical but really gets busy at 18V