My Upcoming Configuration

bigaudiofanat

the 4 channels being bridged is 4 ohms stable the sub channel can go to 2 ohms the one I did in california is still running fine at 2 ohms.

Right on alpines website

Alpine Electronics of America, Inc.

Overview

Class-D
1/2 Channel Operation
Stackable Installation Design
RMS Power (at 14.4V THD+N, 20-20kHz)

Per channel into 4 ohms: 75W x 4 (0.08% THD)
Mono channel into 2 ohms: 300W (20-200Hz)

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chops

well then, i wasnt aware that this amp could do both 2 and 4 ohm simultaneous operation. i dont mess with 5 channel amps often, so i assumed they were similar to 4 channels, in that if you run any channels at 2ohm, then the rest will run at 2ohm.

anyway, either way, if you go with a 2 ohm or 4 ohm 10W3V3 it will get 300 watts regardless, so to the OP, buy whatevers cheapest.

as for JL, i agree that they are overpriced, but you cannot beat their efficiency in most cases. the XD700/5 retails for 599, versus the PDX5 which retails for 649. the XD700 on al & eds comes with a full manufacturer warranty for 450 versus a grey market PDX5 on amazon for 400...i would honestly go for the JL model, as its smaller, and has more power with a warranty

6spdcoupe

What amps do this ? I have Never seen such a thing.


While I am not a fan of either, if I HAD to choose one, it would reluctantly be the JL. Regardless of coverage or the likes (since it seems this is an internet purchase regardless) the PDXs are some of the noisiest, horrific sounding amplifiers I have had the unfortunate time to touch or install.

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