power

customer service and inability to adjust once mounted

I have the version modified from the factor to be 1 ohm stable, and it does put out insane power...somewhere near 2400 watts, incredible amp for power and tiny size....

BUT!!! MMATS customer service is horrible... i sent my amp back to be repaired and after 2 months of runaround including them saying my amp was stolen, etc despite my records showing that it wasnt going all the way back to the company itself (i purchased the amp from a mmats sponsored competitor), i finally got it back after legal threats... i have heard other horror stories about their customer service and all of them true...these amps are very good and insanely powerful, BUT keep this in mind when you consider them.

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None

size, power, never hot,

this is a joke right?

Finding it hard to breathe................
AND LOVING IT!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
The combination of the mmats d300hc and my 12" MacDaddy by Diamond Audio is phenominal..........period
No turn on pop as stated earlier by other owners, just a little class-d amp running @ 1200 watts pushing one 12 so hard it makes the cabin hard to breathe in at max volume......

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ppi, xtant, & of course rockford fosgate: to be honest nothing as far as low-end amplification comes close to this, and all the other amps were always hot, this d300hc is NEVER hot

clean, efficient, powerful

no fuses, expensive

one bad mofo! stays really cool, hard to beat clean power. i hope the guy who had the d300hc blow up put an inline fuse holder(80 amps) withinn a foot of the amplifier! it doesn't come with fuses, you need to provide them!

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rfbd1000a1-killed it. earthquake phd2-cleaner.