The Kicker 2500.1 is a better daily amplifier, it will put A LOT less strain on your electrical, and I mean A LOT less.
The Memphis 4kw sucks A LOT of current. When I did a direct swap from Kicker2500.1 to the Memphis 4kw, it sounded louder to the ear... but I actually was .1dB lower on my TermLab. I had to add another Group31 dep cycle to support it for burps... and it went up. (I added the group31 making it a total of THREE Group31 dep cycles, 100ft. of 1/0, and a 220amp alternator.)
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