Question about Visonik VB212PKG Car Audio Amplifier

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Thumping is not coming out of my subs wat do i do i think its a wire problem cuz store manufactures ****

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Sounds like you might have the negative and positive crossed

Posted on Aug 01, 2009

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Posted on Jan 02, 2017

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2 Answers

I just bousght a martin ash home thearer ..how can i conect the bass??


I bought one last night i think its a fake.... doesn't even have instructions. If u figure this out let me know. But i just look up the site called the white van scam... i bought it from some guys in a white truck. And it sounds just like wat they sold me with the same canvas

Apr 18, 2012 | Audio Players & Recorders

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Dont know how should the wires be wired on the sub


You have polarity problems there. Try swapping the wires and see if the cones goes up or down... You got the right polarity if the speaker produces sounds when you connect it to your subs.

^_^

Jun 07, 2010 | Kicker 01C8VR4 Car Subwoofer

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My car stereo makes a thumping noise through the subs when i turn it on or off,also when i change songs on a cd and if i turn the volume all the way down too.i have tryed changing the wires,subs,amp, what...


You have to be more specific. Subs thump, that is their purpose. You need to be more in depth about the sound, because it sounds like the subs are doing their job by thumping out bass

Oct 10, 2009 | Kenwood Car Audio & Video

3 Answers

Thumping sound


You either have a bad ground from your amp to the vehicle or a problem with the amp. Where is the amp grounded? Do not ground an amp to a seat bolt or side panel on any vehicle. The weld points on the car itself cause issue with ground. Take the ground wire directly thru the bottom panel (floor) Check befor you drill! don't hit a wire/fuel line, etc. That will give you a solid ground. Keep your ground wire length to a minimum. 18" or less, and use the same gauge wire for ground as you do for power. Hope this helps

Jun 10, 2009 | Pioneer DEH-1600 CD Player

1 Answer

Thunping coming from subs when car is turned off.


2 things to try, one. run your RCAs on the opposite side of the car as the positive wire. if you still hear the thumping try changing your RCAs. if you still hear the thumping, try a different anp or head unit. if you still hear the thumping, your subs are blown. best of luck

May 08, 2009 | Infinity Reference 1300a Car Audio...

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Subwoofer "thumping" w. no audio feed


You need to check your ground connection. If there is a bad ground there will be feedback to the amp and it will just sit there and loop back with the Thump, Thump, Thump sound. I had to wire my amp's ground all the way back to the negative battery terminal. It was a pain but I have never had a problem since :)

Feb 12, 2008 | JBL SCS125A System

3 Answers

Red LED "Protection Light is on" What is the problem


The red light means the amp is in protection mode. A few things can cause protection mode..... First disconnect the subs completely from the amp, and turn it on, if it powers up you have blown subs. Also try checking the main power wire at the battery...sometimes the current your meter is seeing is backfeeding from the remote wire, so your main power line could be blown at the fuse under the hood. hope this helps

Jul 17, 2007 | Crunch BlackMaxx BMX2250 2 Ch 1000W Amp...

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Kenwood kac-9152d


by jump do you mean all it does is thump and no sound besides thumping noise? if so put a better ground on your amp, double grounds work the best. please reply

Oct 06, 2006 | Kenwood KAC-9152D Car Audio Amplifier

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