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http://cgi.ebay.com/VISONIK-4000-WATT-MONO-HIGH-CURRENT-CAR-AMPLIFIER-AMP_W0QQitemZ2701852 this is the amp

2007-11-16 15:35:24 · 5 answers · asked by Anonymous in Cars & Transportation Car Audio

5 answers

it should be fine, don't overpower them

2007-11-16 15:46:22 · answer #1 · answered by Anonymous · 0 3

Yeah, too much by double the power. Look for a 2000 rms amp @ 2 ohm ONLY if both subs are single VC and 4 ohm - http://i81.photobucket.com/albums/j230/sparky3489/PARALLEL.jpg

If your total system power is 1000 watts RMS or more, you will need to:

1. Upgrade the alternator to a high output alternator
2. Upgrade to a heavy duty deep cycle battery
3. Upgrade the "Big 3" - that is to replace the power wire between the battery and alternator, the ground from the battery to the chassis and the ground strap from the engine/tranny to the chassis with at least 1/0 AWG wire.

Failure to do this will result in you replacing them anyway as the alternator will eventually fail.

Here is a guide that will calculate what size alternator and power wires you need http://www.datafilehost.com/download.php?file=6d26c621

A second battery is never a good idea as it's an added strain on the alternator to charge two batteries AND supply power for the car. The ONLY time a second battery is useful is if the audio system is to be used with the car off.

A cap is only good so far as the audio system isn't trying to pull too much from the electrical system. A cap doesn't provide more power, it's designed to 'stiffen' the voltage to the amp, nothing esle. If the current isn't there, a cap won't help. The alternator must have at least 20% more amperage power than the entire vehicle and sound system combined for a cap to be of benefit which is ironically the same requirements for an amp to be efficient.

See my site for more info http://spkrbox1.spaces.live.com

2007-11-16 23:53:32 · answer #2 · answered by Anonymous · 0 0

Well bro Ive been doing car audio proffesionally for about 15 years and you learn over time that all amps are not created equal. Some amps say 2000 and only do 400 and then you have the good stuff like fosgate power of the older soundstream, stuff that puts out pure power. So it really depends on if that amp puts out pure power and what brand it is. Visonik is I dont want to affend you but it is a really cheap amp and you can be sure its definatly not going to put out 4000 watts. So take your subs and wire them up in parellel and do not bridge them on the amp adjust the amp with your deck about 3 quarters of the way up and adjust it to where the subs sound clean. Dont push it. Because cheaper amps dont put out a lot of power, but they do put out dirty power and that will pop your woofer. See a lot of people dont realize thats watts dont mean everything.

2007-11-17 01:47:45 · answer #3 · answered by estephens210 4 · 0 0

build the box to recommended specs and you will probably be ok...keep the gain down a tiny bit more than 3/4 and I doubt there will be a problem. Just remember that tuning and box design are very important so take your time and you should be able to make that work.

2007-11-17 02:42:04 · answer #4 · answered by M V 4 · 0 0

i dont know much about those particular speakers but you should try to stay closer to 1000rms as it is a safer bet. I suggest you do some research on Ohms too. the JL audio website has a nice tool for hooking up your own system.

2007-11-16 23:58:09 · answer #5 · answered by luke121 2 · 0 0

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