Question about Visonik V2000T Car Audio Amplifier

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V2000t no sound out of speaker output end R OR L SIDE WAS BRIDGED

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Re: v2000t

More details needed...

Where you installing?

Was it working for long before it happened?

Posted on Dec 15, 2007

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Brand new pioneer 820 watt amp worked for about ten minutes, now the speaker output light flashes on and off

You didn,t have the sub wire up properly, End fried the output transisters in the amp. Or it was not set (Properly)

Nov 05, 2012 | Pioneer Car Amplifiers

1 Answer

Why does the sound go out when it is up to loud

Speakers cannot support the output of your amp, or check all your speaker wires if any of those is bridged or got damaged.

Jun 17, 2012 | Kenwood KAC8105D Car Amp

1 Answer

What is the best adjustment for a Nitro BMW 481 with one 12" Memphis subwoofer?

First you need to determine what kind of subwoofer it is and by that i mean, is it a dual voice coil subwoofer or a single voice coil sub woofer.
Dual voice coil(DVC)
Depending on how many Ohms each voice coil is you will have the amplifier drive a specific load (4OHM stereo (75 RMS x 2) 150RMS total power / 2OHM stereo(100RMS x 2) 200RMS total power) Connect each voice coils separatley to each speaker output of the amplifier for this configaration. Always making sure that the + & - of each voice coil go to the coresponding location of the speaker outputs of your amplifier.

If your sub woofer is a single 4OHM voice coil then your cables should be connected to the coresponding location on your amplifier which states "BRIDGED" It is marked clearly on the speaker outputs of your amplfier.

If it is a 2OHM then do not connect it to the amplifier. The specific amplifier is not stable at 2OHMS bridged and will most likely get damaged if you try to operate it at that OHM load.

On the side of the amplifier where the adjustments are there is a switch that indicates X-OVER. (LPF/HPF/FULL) Make sure to set it to LPF (Low Pass Filter). (not doing so can damage the subwoofer)
On the left hand side of the X-OVER there is the adjustment for the LPF (30-250) the best setting would be at the same frequency that your speakers stop
If your speakers have a frequency response of 60Hz to 20KHz then setting your LPF to roughly 70 to 80 will be ideal. The rule is that where one speaker drivers frequency ends, the other must continue in order to complete the full range of audible frequencies.

if you have any more questions feel free to ask.

Feb 05, 2011 | Nitro BMW-481 Car Audio Amplifier

2 Answers

Amp quit producing output, power indicator is on

it can't be a fuse cause if it was then there would be no power you might have blown the speaker terminals. did you check to see if the sub was blown.

Jul 28, 2010 | Rockford Fosgate Car Amplifiers

3 Answers

It has an A and B channel for spkrs and i have one spkr bridged. do i split the neg to side a and pos to side b or just use one of the channels?

Could you elaborate on how the speaker is bridged?

I think you want to hook up a single speaker to a stereo speaker output.

In this case, you would strap (bridge?) the right and left speaker terminals by running a short wire from A right negative to A left negative. Then strap A right positive to A left positive -- this will give you mono output on either of the right or left speaker terminals -- connect your speaker to either one of these.

Do you know what the ohm rating is for the speaker outs on the amp and also the speaker itself?


Aug 31, 2009 | Rockford Fosgate P3001 Car Audio Amplifier

1 Answer

How many speakers can I use?

This should work if channel 3 & 4 are bridged at 4 ohm.
channel 1 should be stable at 2ohm
channel 2 should be stable at 2 ohm
You can hook up the right side speakers together ( + with + and - with - ) . same thing with the left side. this will give you 2 ohm each channel. this will cause your amp to run hot (this might be tuff on the amp). It will give you right (2 speakers) and left ( 2 speakers ), no front and rear adjustement if you need to balance your sound. I think you should be better buying another amp for your sub and take your 4 channels for your 4 car speakers. this amp as a rca output that can feed the other amp ( sub amp ). it is possible to do it.

Good luck

Nov 11, 2008 | Alpine MRP-F250 Car Audio Amplifier

1 Answer

I found this amp and I can't seem to figure out what the wattage is?

You are probably aware on how to use these output figures, but I'll write a quick explanation on the specifications for future readers anyways :)

The concpet CC-452 amplifier has the following power output specifications:

Calculated at 14.5 volts DC;

At 4 ohms per channel - 45 watts x 2 (RMS)
At 2 ohms per channel - 70 watts x 2 (RMS)
At 4 ohms bridged - 150 watts x 1 (RMS)

This means that your amplifier would provide 45 watts of power each for your front speakers, which are normally a 4 ohm load per side (45 watts for left, 45 watts for right), that's unless they are one of those exotic higher end brands (eg: Boston Z6s which are 3 ohms). Rarely, you will find speakers that are rated at 2 ohms per side, but in this instance the amplifier will provide 70 watts of power into each speaker. On your speaker specifications, you will find a value termed "nominal impedance" which will give you the ohm rating of the speakers being used..

On the other hand, if you "bridge" both channels into a single channel (using a diagram often marked on the speaker terminals of the amp), you could then provide 150 watts into a subwoofer (providing it was a 4 ohm woofer).

It's not recommended to use this amp bridged under 4 ohms..

Some subwoofers may be lower than 4 ohms, and you will not be able to use this amplifier for these types of speakers without risking amplifier failure. Also, some subwoofers may have 2 seperate voice coils, and you will have to use both channels of the amplifier seperately (not bridged) in order to correctly connect this type of speaker for use.

Oct 28, 2008 | Concept CC-452 Car Audio Amplifier

1 Answer

Is that ok to do mono on Thump TA1001

yes, it is a bridgable amplifier, if that is what you are talking about. Look at the speaker output terminal and it should have markings on it for stereo output and it will have a line between the 2 terminals to use for bridging it. When you bridge an amplifier it is mono. There may also be a switch on the amp for stereo or bridged. Put that switch in the bridged mode. Connect one speaker to the speaker output and you have your bridged mono amplifier. If you plan on using 2 woofers, it is better and safer to use it in stereo mode with one speaker on each channel.

Let me know if you need any more help,


Aug 08, 2008 | Thump TA1001 Car Audio Amplifier

1 Answer


400 watts delivered to 300 watt speakers the only way to do this would be to wire two subwoofers in series so that the power needed to drive them will be 600 watts to max, however this will increase your impedance on the speaker (8 ohms) load so what you can do to compensate is get an 8 ohm 600 watt resistor and put it in parallel with the speakers you will then have 4 ohms of impedance at a total capacity of 600 watts of power In other words the amplifier won't blow these out now.

Oct 08, 2007 | Pioneer GM-X722 Car Audio Amplifier

1 Answer


Hi Trim God,


I do not reccommend that you push the Pioneer speakers over 100 watts.  The jenson will already drown the car with bass through your pioneers so much you will want to turn off the bass boost when playing some low bass hip hop songs. It changes from one venue of song to another, so I just keep the jenson bass boost off and use my head unit to adjsut the sound to fit my listening prefences. I am telling you man, you will be blown away .  Hook up the pioneers straight to the Channels,. do not bridge.  I put Subs in my truck though.  I used the Pass output to send the audio to me Jenson 2 Channel 600W amp. I drive one 10 inch enclosed JBL Class A/B Sub. I bridged the output of the 600 W amp to the 10 inch sub  in my Z28.  The pioneers never get drowned out.  I did smoke my 2 channel Amp one time. and also took out a MTD 10inch sub. I am talk shooting flames and smoked the whole car up. I think if you bride the XA4150 to the pioneers, you will have the flaming smoke problem in no time.  

Oct 02, 2007 | Jensen XA4150 Car Audio Amplifier

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