What do I need to look for in buying an amp?


Unregistered guest
I noticed a lightning audio amp (which had 300W between 2 channels) for $350, and I saw a Thump amp (which had 500W between 2 channels) for only $70

why is the thump amp so much cheaper if its more powerful?

what makes that lightning audio so much more expensive? is there more to amps than just what it puts out?

and I know, both brands apparently suck, I'm just wondering what makes amps better or worse

Gold Member
Username: Glasswolf

NorthWest, Michigan USA

Post Number: 2492
Registered: Dec-03
both do suck, but the thump more so.
one may be a max rating instead of RMS, or at a different load.
one may be class AB while one is class D
one probably uses much cheaper parts in the construction.
many reasons

Unregistered guest
is there some advise, or a good site to read explaining what to look for in buying one?

Bronze Member
Username: Pat_l

Tucson, AZ USA

Post Number: 26
Registered: Apr-04
I would say the biggest thing is the brand- pick a AMP that comes from a big company (Alpine, JL, Rockford, etc) dont buy SONY though. Also make sure that you know the watts. I mean if its Max Power or RMS power. It will make a big differance. If you get a Max Power they are usually cheaper but say its 1000 watts Max Power, well it will probably never get close to 700watts in its life. An RMS will be a better buy.

Unregistered guest
I have recently bought 2 vibe space 12" subs that are both 600 watts rms each and together 1200 watts rms. Could any one suggest what amp I should consider using with these subs. Also what power rating amps I should be looking at. Price isn't a factor
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