amp haveing more power than rated?

[xoutofmyheadx 10+ year member]

Hey guys, new here. i was looking at reviews on the pdx-5 alpine amp. it's a 75x4 +300x1 amp @14.4v. now, i thought the rating on the amp was the max it can do. i mean unless the more volts you push the more power goes thru. but i read 1 guy said he had bench tested his amp before he put it in and he said it ran 110x4 + 422x1 @14.4v. i've never heard of getting more than rated power only getting less than rated throughout all the wiring and such. is this guy full of it or what? thanx

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[stanky1219]

not positive if the alpine is underrated. but my old mtx amps are rated at 150 watts bridged and they put out every bit of 250+ bridged.