Question about Infinity Reference 7541a Car Audio Amplifier

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Installing a car stereo in my house

How do i power my car stereo in my house? What do I need?

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Re: installing a car stereo in my house

This video shows you how, Since im guessing you have the Infinity amp as me, Get a PC PSU that does 34A (Amperes) on the 12V+ Rail and you'll be able to power your amp.

Posted on Dec 13, 2008

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Re: installing a car stereo in my house

You would do best with a 12volt inverter. It will bring the house voltage down to the necessary 12 volts for your car stereo. Best of Luck.

Posted on Oct 03, 2007

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Does an audiobahn A2801Q throw 1000 watts

Hello... I can help you with this question. This particular amplifiers specifications are as follows:

  • 200 watts x 2 @ 4 ohms stereo
  • 280 watts x 2 @ 2 ohms stereo
  • 560 watts x 1 @ 4 ohms mono
    These specifications are RMS power, which would mean continuous "real" power output. Hope this helps!

    20 year car audio/video installer
    Bay manager
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    sorry, its not feasible, your home stereo and speakers are on AC power while your car amp runs off of DC power.

    Aug 20, 2010 | Lightning Audio LA1.300.2 Car Audio...

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    When the volume is turned up both 12s cut out sometimes

    U will need to install peak power capacitors, this will cure the problem, contact a car stereo shop for more info on this fix and the capacitor kits needed.

    Jun 27, 2010 | Kicker 06ZX750.1 Car Audio Amplifier

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    How do i connect a kenwood amp to my 2003 bmw m3 with a stock hk system and head unit? i just need to kno where to connect the amp to the car radio

    You will need to connect your speaker outputs from the head unit to the high power inputs on the amplifier. If the amp only has low power inputs(rca jacks) then you will need to get a device that lowers the output signal from the radio so the amp can be connected. The red wire will go to the switched power. The yellow will go to constant power. Black goes to ground. Now the blue wire is the signal the amp gets from the stereo to turn on. Your stock stereo will probably not have this ability so you will have to hook that wire to the switched power. Your amp will come on whenever the key is on...even if the stereo is off. If your stock stereo has a wire that sends out a power signal when it is turned on you could try that for the blue wire. Just make sure you have the negative battery cable on the car disconnected so you don't short out your vehicle's electrical system while installing the amp.

    Sep 21, 2009 | Kenwood KAC-9152D Car Audio Amplifier

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    Not enough power to stereo

    have you checked all your connections and is your power wire big enough to transfer that amount of power

    Aug 11, 2009 | JC Whitney - Amplifier Installation Kit...

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    What do you mean by the subs should have more watts than the amp.and subs mean woofer ? actually i dont know any thing abt this. what is 8 ohm stereo, 8 ohm bridged,4 ohm stereo. etc etc...?

    If your planning on using a stereo system in your car or home you need to follow some rules otherwise your just wasting money. The watts of a speaker means how much power it can handle. The higher the number the more power it can handle, and usually the louder it can get without distorting. If your amp has more power or close to the wattage rating of the speaker you will blow the speaker, it can even get so hot it ignites. The amount of ohms is the electrical resistance the speaker provides. House speakers usually have 8 ohms where car speakers tend to use 4. 8 ohm stereo means your left and your right are separate channels and each speaker has 8 ohms. 8 ohms bridged means you bridge the left and right channel to increase the power output of the amp and you have to use either 1 8 ohm speaker, or 2 4ohm speakers in parallel to prevent damage to the system. Same goes for 4 ohms. If I remember correctly you want your sub(woofer) to have a wattage rating 20% higher than the amp. Remember if the speaker overheats its no good, but most amps if they overheat they just shut off until they cool off, but only if they state they have a thermal overload protection.

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    Sub continuously thumps when stereo is on

    The remote on might be suppling intermitten power. Try jumping the remote on from the power wire
    If you've abused it, It may be going straight DC output (if that's the case you need to repair or replace the amp)

    Apr 29, 2009 | Car Amplifiers

    1 Answer

    Legend Amp hook up manual.

    Pretty Straight Forward get a 8 or 4 gauge amp wiring kit.

    Run your hot wire to the +12V from the battery make sure to install the supplied inline fuse near the battery don't connect to the battery until installation is complete.

    Run the REM to your stereo power ant. Wire. if available.

    Run the GND to Metal Chassis Ground keep it as short as possible.

    Run the RCA Cable from the back of the Stereo to the RCA Inputs or Low Level on the amp.

    This amp is 2 Ohm Stereo Stable which means you can connect 2 (4 ohm) speakers in parallel to each channel or 1 (4 ohm) speaker on each channel or you can connect 1 (4 ohm) Speaker in bridged mode.

    There are other speaker configurations you could use but you cannot drop the load below 2 Ohm in stereo mode and no lower than 4 ohm in bridged mode.

    Hope this helps

    Mar 25, 2009 | Legend LA1490 - American Legacy Series 2 -...

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    Maystar cx475

    Ok, I am assuming this is the 600 watt amplifier?


    Supplies needed:
    - 8 Gauge power wire (long enough to run from your battery to the amp placement) WITH an inline fuse!!
    - Depending on your stereo (if it has amp pre-outs or not) you will either need RCA cables (long enough to reach your amp from your stereo) OR a Line-Out converter AND RCA cables.
    - The power lead that connects to your "REMOTE" line on your stereo (long enough to reach from amp to stereo - usually blue)
    - A good ground wire ( long enough to reach a metal part of your car from the amp)

    STEP 1: Find a spot to run the power wire from your battery - through your firewall and into your car - and then to your amp. (DO NOT CONNECT IT TO ANYTHING YET)
    STEP 2: Remove your car stereo and look to see if you have PRE-AMP outs (RCA connectors for an amp on the rear of the unit)
    A- if you do, GREAT.. proceed to step 3
    B- if you don't.. you will need to get a LINE-OUT CONVERTER - what this does is converts the higher signals from your standard wires on your radio, to RCA style wires to connect to your amp.
    B2- you will also want to buy a wiring harness kit for your stereo, unless you want to hack away at your factory wires.. (not recommended) - connect the harness kit to your factory wire harness, wire in your leads for the output converter, and run the other end to your stereo.*
    *you will need to know which wires run to the speakers you plan to power with the amplifier
    B3 - once the converter is properly connected - proceed to step 3
    STEP 3: Plug the RCA cables into the stereo or converter, and run them properly from behind your radio to the amp but DO NOT CONNECT THEM YET.
    STEP 4: Connect the REMOTE wire from your stereo to the same wire for your amp . (this enables the amp to turn on/off with your radio.. otherwise.. you will have alot of dead batteries)
    STEP 5: re-install your stereo into the car.
    STEP 6: Connect the RCA speakers into the INPUTS on your amp
    STEP 7: Connect the REMOTE wire to your amp.
    STEP 8: Connect the speaker wire from the OUTPUTS on your amp to the speakers you wish to power
    STEP 9: Connect the POWER CABLE to the amp PROPERLY
    STEP 10: Connect the GROUND CABLE to a metal part of your car (sheet metal, not just a bolt)
    STEP 11: Connect the POWER CABLE to the battery cable
    STEP 12: Re-connect your Battery
    STEP 13: Start your car, and test your radio.

    If you have any issues from here.. you need to re-check all of your connections.

    Oct 12, 2008 | Car Amplifiers

    1 Answer

    How do I install my pioneer stereo?

    this way should work : connect the OUTPUT of stereo ( ke-4535) to the INPUTS of GRAPHIC EQUALIZER ,then the speaker outputs of the GRAPHIC EQUALIZER to speakers , in this order you have control to adjust the sound coming from the PIONEER stereo . hope this helps

    Apr 25, 2008 | Car Amplifiers

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