Question about Rockford Fosgate Punch 800a4 Car Audio Amplifier

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Bridging 800a4 what is the rms rating if i bridge 800a4 to run a 12-inch sub in a lincoln navigator

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That all depends upon whether or not the sub you are running has dual voice coils or just a single voice coil. The 800a4 is a four channel amp; thus the only way you can bridge it will be 3 channel or 2 channel. If you are running a dual voice coil sub then you can wire the amp two channel and get 400 watts x 2 @ 4 ohms. Make sure that you sub can handle this kind of power though.

Here are the specs:
4 x 100 @ 4 ohms (13.8V - <0.05% THD)
4 x 200 @ 2 ohms (13.8V - <0.10% THD)
2 x 400 @ 4 ohms bridged (13.8V - <0.10% THD)
Fuse: External 60A
Manufactured in 1999 - 2001

Posted on Jun 19, 2008

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I have Sony xm-2165gtx amp 165 watt rms x 2 at 4 ohm 200 watt x 2 at 2 ohm 400 watt x 1 bridge output at 4 ohm stereo or bridge mono output 4 ohm stable in bridge mode this mean can't go lower then 4 ohm...


You can't bridge that amp onto a load lower than 4 ohms. So you can't bridge that amp onto two 4 ohm subs. To get the most power out of your subs is easy. Run one channel to one sub and the other channel to the other sub. 165 watts RMS is plenty for most subs.

Dec 05, 2013 | Car Audio & Video

1 Answer

I have a 12 inch audiobahn 550 rms 4 ohm coil ported box and a dual box with 12 inch subs they say 550 max wattas a piece thats it waht amp do i need to get atleast 80% of my power in bass


Get a 1200 watt 4 channel amp that's 2 ohm stable. Bridge 2 channels into the single 550W rms audiobahn. Use the other channels for each side of the dual box. Turn the LPF or Low Pass Filter on and vibrate down the road.

Sep 25, 2010 | Car Audio & Video

1 Answer

I Have a Sony Xplod 800 watt amp and 2 12 inch Sony Xplod subs


You should definately bridge them. Firstly, lay the 2 speakers face down next to each other. Note the connections +- +-. The first + will go to the amplifier. The next terminal(-) will be connected to the next speaker(+). Take the last(-) and connect to amplifier. Please note that your amplifier has a bridge section which is normally the first + and the last- on the two channels. Connect your woofers on the bridge.

May 28, 2010 | Sony XM-ZR1252 Car Audio Amplifier

1 Answer

Can i run just 2 subs on this 1200 watt kenwood 5-4-3 and if so what way will i get the most power, i mean do i bridge it or pute the speaker wires in other ports


you can run 2 subs given that you dont go over 2 ohms of resistance and that the subs are rated at 1000 watt max each around 4 or 500 watt rms. if your not sure about ohms dont bridge it and get single voice coil subs. this amp is capable of about 700watts constant power 1200 max spike if the voltage stays at 12 or higher.

Feb 05, 2010 | Kenwood KAC-X650D Car Audio Amplifier

2 Answers

Will this amp power two 12" subs?


Yes. The Kicker xs50 competition amp will l ! Pushs my old school autobahn aw1206t's very nicely and beats my 2 sundown sa15's senseless. Wire down to 1 ohm and bridge. People may say yeah rite. Ok. Thats ok.

Dec 07, 2009 | Kicker XS50 Car Audio Amplifier

1 Answer

My amp and subs work but the subs dont sound very loud. how do i adjust my Pyle PLA4340 amp and fix this problem


Hello polarisracin,

You need to bridge 2 of the amp channels to each 4 ohm sub to get the most power from the amp. Bridge channels 1/2 to one of the subs and channels 3/4 to the other one. But the amp is only rated for 75 watts RMS per channel and Pyle products are sometimes rated higher than their real capabilities. So, even bridged and with the rated output, you'll only be getting at most 150 watts from a pair of bridged channels. That's not much for a sub.

Hope this helps.

Oct 01, 2009 | Pyle PLA4340 Car Audio Amplifier

1 Answer

Not a problem just a question


  • 100 watts RMS x 2 at 4 ohms
  • 200 watts RMS x 2 at 2 ohms
  • 400 watts RMS x 1 at 4 ohms in bridged mode
  • stereo or bridged mono output
  • 4-ohm stable in bridged mode
  • Tri-Way capable
  • requires 8-gauge power and ground leads — wiring and hardware not included with amplifier
  • 50-250 Hz high-pass/low-pass (12 dB/octave) crossovers
  • wired remote included for fingertip control of Punch Bass (0-18 dB boost at 45 Hz)
  • MOSFET power supply and output devices
  • MEHSA mounting technology increases the heat transfer from the MOSFET output devices to the heat sink, for higher power output, lower operating temperatures, and greater reliability
  • TOPAZ — noise-killing differential inputs that eliminate 80% of ground loop noise
  • Trans•ana circuitry keeps preamp voltages low and signal paths simple for outstanding audio quality
  • NOMAD — advanced protection circuitry for "intelligent" shutdown protection
  • speaker- and preamp-level inputs
  • 11-1/8"W x 2-3/8"H x 9-7/8"D


  • Wire your sub in bridged mode (4 ohm mono)
    + to + on amplifier
    - to - on amplifier
    (using bridging terminals)

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    Apr 25, 2009 | Rockford Fosgate Punch 401S Car Audio...

    2 Answers

    What is best amp to run 2 12 inch cvr's


    12In Kicker CVRs
    are Dual Voice Coil, and You can run each voice coil around 200 Watts RMS

    So each sub will have a 400 Watt RMS and 800 Watts peak.

    Now since you have 2, Your total will be 800 Watts RMS and 1600 Watts Peak.

    I would get really any amp that sits at around 800-1000 Watts RMS.

    These are kicker but they are low end so i wouldnt push them to the extreme.

    1000-1200 Watts RMS Max and but keep the Gain down on the amp. They will hit no doubt but i wouldnt push these subs or you will be disapointed in the long run.

    I would get a Fosgate or MTX amp.

    You can get any amp really but find something right around 1000 Watts RMS and it will push those well.

    You can go mono block or a 2 channel, just depends on how you want to wire them.

    Be careful though. If your running them bridged right now with your mono block, do not run them parallel bridged on a 1000w RMS Amp, you will blow them so fast lol

    (RMS = Root Mean Square. Or in other words is the continuous wattage being sent from the amplifier to the subwoffers)

    Feb 15, 2009 | Kicker KX1200.1 Car Audio Amplifier

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    Amp getting really hot


    well it is getting hot due to the amp drawing and pushing alot of current. try getting lower gage wiring for power to the amp and lower gage speaker wire.

    Apr 20, 2008 | Power Acoustik PS2-1200 Car Audio...

    1 Answer

    Speakers


    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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