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Thanks guys, Just trying to be careful because I only have 80 amps to play with. Trying to keep my audio under 60ish amps.
I know that only leaves 20 amps to car but theres not much else I can do.

if your gonna run it stereo its not gonna be an issue....if you run it bridged it will be a little more of an issue but look at the fuse size. 35 amps, that will tell you more about the consistent use of power from your charging system than will the max amperage draw which will only occur very occassionaly and probably when pushed to clipping....plus you wont even be consistently drawing as much as 35 since that would stress the fuse over time.....i would venture to say that during a nice cruising down the road jam session 15-20 amps or so is more likely than 35 or 50

I replied to your PM.

2 x 75W @ 4 ohms
2 x 150W @ 2 ohms
1 x 300W @ 4 ohms bridged
THD: 0.02% (4 ohms)
Freq. Response: 4.5Hz ∼ 100kHz (±0.5dB)
S/N Ratio: 110dB
Damping Factor: >500
Max. Current Draw: 50A
Fuse: External 35A
Dimensions: 11.73" x 8.9" x 2.24" (29.8cm × 22.6cm × 5.7cm)
Manufactured in 2000

Just picked this up, was wondering a few things.
I know this sounds really dumb but I dunno.
I saw the max current draw is 50amps now is this the max current draw from the charging system. For example I have an 80amp alternator..can't do crap about it and was wondering is this amp going to take a max of 50amps from the charging system leaving me 30 amps for monoblock + car accessories?

And just curious, anyone know anything about this amp I picked it up fairly cheap with two sets of speaker plugs. I'm hoping I got a good deal, hadda jump fairly quickly but hey if worse comes to worse I can ebay it and make my money back.