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<blockquote data-quote="Starbitz" data-source="post: 8543306" data-attributes="member: 672022">I need some guidance and to be pointed in the right direction. I have a 2003 Chevy silverado, under the backseat I have two Sundown SA - 12s in a sealed box where the subs face downwards with an AQ 1200 Watt amp. The reduction of space for my box works well, I have two inch spacers under my box so my subs don&#039;t hit the floor when it hits. For my electrical system, I have all upgraded 0 Gauge wiring and a JY audio lithium secondary battery for power.So essentially, these SA 12&#039;s are rated at 750 RMS a piece. On top of that they are under rated and I have heard of people throwing 1000 watts rms each to the subs. My AQ 1200 watt amp will power each of my subs to 600 watt rms a piece..If I upgraded to a Twisted audio 1.8k amp, will that give me a noticeable change in power and bass? I know my AQ isn&#039;t powering these subs to their full potential but does it matter to power them more since they are in a sealed truck box?</blockquote>

[QUOTE="Starbitz, post: 8543306, member: 672022"] I need some guidance and to be pointed in the right direction. I have a 2003 Chevy silverado, under the backseat I have two Sundown SA - 12s in a sealed box where the subs face downwards with an AQ 1200 Watt amp. The reduction of space for my box works well, I have two inch spacers under my box so my subs don't hit the floor when it hits. For my electrical system, I have all upgraded 0 Gauge wiring and a JY audio lithium secondary battery for power. So essentially, these SA 12's are rated at 750 RMS a piece. On top of that they are under rated and I have heard of people throwing 1000 watts rms each to the subs. My AQ 1200 watt amp will power each of my subs to 600 watt rms a piece.. If I upgraded to a Twisted audio 1.8k amp, will that give me a noticeable change in power and bass? I know my AQ isn't powering these subs to their full potential but does it matter to power them more since they are in a sealed truck box? [/QUOTE]

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