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<blockquote data-quote="justafifteen" data-source="post: 7091759" data-attributes="member: 614800">Don&#039;t play a new sub at full volume for the first week-ish, you need to give it time to break in.Go to your local Napa or autozone and borrow a Digital Multi-meter so that you can measure the voltage you&#039;re giving your sub. If you need help finding out how to do this, you can PM me.Your headunit equalizer shouldn&#039;t be extreme, like +10 low, +10 mid, etc. The &quot;sub&quot; level on your HU should stay at 0. Any gain adjustments should be made on your amp.Play a song and hit the pause button on your HU. Then while it&#039;s paused, crank the volume all the way up to see what the maximum number is. Take 2/3&#039;s of that, and you have the highest you should ever turn your volume to.You should keep the HU turned to this volume while you adjust the gains of your sub. Of course, until you get a separate speaker amp, you won&#039;t be able to turn your headunit this high because you&#039;ll probably be distorting the hell out of your stock speakers.Look at the classifieds here, you can find great 2 or 4-channel amps for hella cheap. Match it with a cheap pair of Polks or similar and you&#039;ll be fine and plenty loud.Go to walmart and get a 4-gauge or 6-gauge Scosche wiring kit, 8-gauge is too small.Read your amp&#039;s manual (or find one online if you don&#039;t have it) and find out the ways it can be wired, whether it&#039;s bridgable or not, etc.In the end, you will probably not be as loud as you want, but it&#039;s either that or blow your sub</blockquote>

[QUOTE="justafifteen, post: 7091759, member: 614800"] Don't play a new sub at full volume for the first week-ish, you need to give it time to break in. Go to your local Napa or autozone and borrow a Digital Multi-meter so that you can measure the voltage you're giving your sub. If you need help finding out how to do this, you can PM me. Your headunit equalizer shouldn't be extreme, like +10 low, +10 mid, etc. The "sub" level on your HU should stay at 0. Any gain adjustments should be made on your amp. Play a song and hit the pause button on your HU. Then while it's paused, crank the volume all the way up to see what the maximum number is. Take 2/3's of that, and you have the highest you should ever turn your volume to. You should keep the HU turned to this volume while you adjust the gains of your sub. [I]Of course, until you get a separate speaker amp, you won't be able to turn your headunit this high because you'll probably be distorting the hell out of your stock speakers.[/I] Look at the classifieds here, you can find great 2 or 4-channel amps for hella cheap. Match it with a cheap pair of Polks or similar and you'll be fine and plenty loud. Go to walmart and get a 4-gauge or 6-gauge Scosche wiring kit, 8-gauge is too small. Read your amp's manual (or find one online if you don't have it) and find out the ways it can be wired, whether it's bridgable or not, etc. In the end, you will probably not be as loud as you want, but it's either that or blow your sub [/QUOTE]

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