Amp suggestions please

TXSpeedDemon

Looking for suggestions for an Amp to power my two Boston Acoustics G5 10-44 subs. Would like to stay under $300 for the amp.

Sub Specs:
- power range: 100-450 watts RMS (225 per voice coil)
- frequency response: 24-350 Hz
- sensitivity: 92 dB

I have two of the subs, but based on everything I've read I'm guessing one will be more than enough to suit my needs if properly powered. So I'm looking for amp suggestions that would provide enough clean power to give at least 450W RMS.

Am leaning toward a Kenwood KAC-9104D

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Am also open to suggestions for an amp to power my component speakers - Infinity Kappa Perfect 6s. I already have an old Kenwood 250W 2 channel (45w RMS) that should do the trick just fine, but open to suggestions. Limit $200.

Will probably skip this and try the existing Kenwood Amp first - would rather put the money toward a better headunit.

Thanks for helping an audio newbie