help with alpine mrx f30 and re xxx components

[yusme]

hi guys is it possible to bridge front and rear channels of alpine mrx f30 to power re xxx 6.5 components. right now I have the components power by ppi 900.4 on channel 1 and 2 and my sub its connected bridged in the rear channel of the ppi, so would it be better to get a 300 watt for my sub or just bridge the alpine for the components and just use the ppi for the sub ??

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[trumpet 5,000+ posts]

What you're proposing doesn't make any sense. You will gain nothing by switching amplifiers on the RE components. You will gain nothing by buying a new 300W amp for the sub. What do you want to gain that the P900.4 isn't doing well enough for you?