Memphis Sub and amp

[843powerstroke]

I have two memphis 12's (M3214D) in a ported box with a memphis belle amplifier, its a 5 channel amp with 1150 rms. These subs hit very hard but are not sounding as good as they should. When i first got them they sounded great, then i messed with the settings on the amp and they dont sound as good now. Any ideas on how to tune the amp to its full potential or what should i do to make them sound better. (I have them wired up at 1ohm in parrellel). Thanks, Josh

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[nissanrider06 10+ year member]

You most likely messed with he LPF AND HPF and maybe the subsonic filter, also is there a bass boost? you should turn that off and just use the gain ( or play with it but I think it sounds best very low or off as it only boosts a certain freq around 40-50 hz i believe) the LPF should be set to 80-120hz which sets the highest freq the subs will play the subsonic, depending on your box can be set at 20-30 hz if your not sure try mid 20s I would just read through your manual and reset your whole amp make sure your filter is set to lpf and not hpf for the sub channel, hope this helps somewhat