you're good to go. Same set up i have, they're dual 4ohms, so you'll get a 1ohm final to the Hifonics. Looks Stealth, but as one of the guys mentioned, that amp will get hot with no ventilation in the summer. You could add two fans, one pushing air into the spare tire well, and one pulling air out (set on opposite sides of the wood cover) This will create enough air flow to keep the amp cool. You could also perforate the wood cover with 1" holes and just move the carpet when it's hot or if you're going to be playing it loud, or you could try to mount the amp on one of the sides next to the box.

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2004 300M SPECIAL
Alpine CDA 9833
Alpine Pxa-h701
Alpine Rux-c701
Rockford fosgate p400-4
Rockford fosgate p4004
Hifonics BX 1205D
JBL c608 GTi
JBL p693
Infinity 2.5" center channel
Alpine type R 12"(2)
all active SQL set up with 1900 watts rms