2 channel amp for a Alpine SWR-12D4

[topeteontop]

I have pretty much zero knowledge on car audio and don't want to mess up my sub or amp and i wanted to know how i could run a dual coil alpine type R sub off of an old school 2 channel power logic 460 watt amp its 4 ohm , i wanted to bridge it to get more power out of the amp . if anyone could explain to me the best way to wire this amp ?

i realize this amp is no where near enough power for my sub but its only temporary

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[garychoffmann 10+ year member]

With that amp you can only either bridge the amp sub wired to 8 ohms. Or you can use 1 channel and wire the sub at 2 ohms. Depending on the amps power you could bridge it and only use 1 voicecoil of the sub. That's kind of considered taboo on this forum but can be done