Question about Rockford Fosgate Punch 301M Car Audio Amplifier

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Is the punch 301m 900 watt amp 1 ohm stable

I have the punch p2l loaded enclosure wired at a one ohm load can the amp support the load

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No this amp is only rated for 2 ohms and up

Posted on Jul 06, 2009

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How do i wire my kicker dcvr122 up to a 4 ohm amp


I am going to assume the 2 speakers in the sub are each 4 ohm loads, and are wired together in parallel, creating a 2 ohm load. And your amp pushes 800W at a 2 ohm load. And actually goes down to 1 ohm/1100W. Anyway...

Seems you want to lessen the wattage output of the amp by making a 4 ohm load. To do that, you need to wire the both 2 ohm speakers in SERIES.
In general wiring principles, to wire in SERIES, take the POS terminal from the amp and wire to the POS terminal of first speaker. Take the NEG terminal from the amp and wire to the 2nd speakers' NEG terminal. Then place a "jumper" piece of speaker wire to connect 1st speakers' NEG terminal to 2nd speakers' POS terminal. Now you have a 4 ohm load, and will be pushing 450W from your amp.

This way the load will now be 4 ohms.

Jan 08, 2013 | Kicker DCVR122 -- 2 Ohm Dual 12in CompVR...

1 Answer

Which subs to use with the rf punch 8002


You should get the dual 4 ohm version of subs and wire them both in parrallel and series for a 4 ohm load to that amp, Bridge the amp and your subs should be seeing about 960 watts true rms.

May 29, 2010 | Rockford Fosgate Punch 800a2 Car Audio...

1 Answer

How do i install my L5 solo barics to a 2 channel amp if there is only one connection on the enclosure next to the vent? If I bridge the amp to 1x1000W will the power distribute evenly between both...


Option 1 (parallel) = 2 ohm load
Speakers wired in parallel
Recommended Amplifier: Stable at 2 or 1 ohm mono 2_4ohm_svc_2ohm.gif
Option 2 (series) = 8 ohm load
Speakers wired in series
Recommended Amplifier: Stable at 4, 2, or 1 ohm mono 2_4ohm_svc_8ohm.gif
Option 1 (parallel/parallel) = 1 ohm load
Voice coils wired in parallel, speakers wired in parallel
Recommended Amplifier: Stable at 1 ohm mono 2_4ohm_dvc_1ohm.gif
Option 2 (series/parallel) = 4 ohm load
Voice coils wired in series, speakers wired in parallel
Recommended Amplifier: Stable at 4, 2, or 1 ohm mono 2_4ohm_dvc_4ohm.gif Option 1 (parallel/parallel) = 0.5 ohm load
Voice coils wired in parallel, speakers wired in parallel
Recommended Amplifier: Stable at 1/2 ohm mono 2_2ohm_dvc_05ohm.gif
Option 2 (series/parallel) = 2 ohm load
Voice coils wired in series, speakers wired in parallel
Recommended Amplifier: Stable at 2 or 1 ohm mono 2_2ohm_dvc_2ohm.gif
Option 3 (series) = 8 ohm load
All voice coils wired in series
Recommended Amplifier: Stable at 4, 2, or 1 ohm mono 2_2ohm_dvc_8ohm.gif
Option 1 (parallel) = 2 ohm load
Speakers wired in parallel
Recommended Amplifier: Stable at 2 or 1 ohm mono 2_4ohm_svc_2ohm.gif
Option 2 (series) = 8 ohm load
Speakers wired in series
Recommended Amplifier: Stable at 4, 2, or 1 ohm mono 2_4ohm_svc_8ohm.gif
Option 1 (parallel) = 2 ohm load
Speakers wired in parallel
Recommended Amplifier: Stable at 2 or 1 ohm mono 2_4ohm_svc_2ohm.gif
Option 2 (series) = 8 ohm load
Speakers wired in series
Recommended Amplifier: Stable at 4, 2, or 1 ohm mono 2_4ohm_svc_8ohm.gif

Apr 09, 2010 | Kicker Solo-Baric L5 Car Subwoofer

2 Answers

I got two DUAL 2omn speakers and i just need to know best way to wire them for a mono block amp. i have them wired parrallel in the box


With 2 speakers wired in parallel, the impedance will be halved, so you are presenting a 1 ohm load to your amp.
Many amps can drive a 1 ohm load, but not all of them. Check the specs for your amp.

If it can't drive a 1 ohm, then you'll need to rewire them in series. 2 speakers wired in series will double the impedance, so you'll present a 4 ohm load when they're wired that way.


Jan 29, 2010 | Kicker (2) S12L7 12in Solo-Baric L7 + (1)...

3 Answers

Wiring for 2 subs for max performance


This amp is rated at 500 watts into a 4 ohm load bridged mono or 250 watts x 2 into 2 ohm load stereo. Do not go below that impedance in either case. The amp was meant to dissipate a certain amount of power, driving it to hard will lead to damage. Your speakers look like they are dual voice coils @ 4 ohms each. To get the max power while still saving your subs would be to parallel the voice coils on each woofer then run them in stereo with your amp. Stereo 2 ohm is 250 watts per speaker.

Dec 14, 2009 | Rockford Fosgate Punch 501S Car Audio...

1 Answer

I got to 12 they are about 400 watts each what would be a good amp to put on it to lift the subs


Hello jeremymikjha,

Basically you want to match the subs in impedance and power.

With 4 ohm subs wired in parallel, the final load will be 2 ohms. Depending on how hard you want them to hit, a pair of 400 watt RMS subs will need an amp that delivers 600-1,000 watts into a 2 ohm load.

The enclosure you use will also make a big difference. A sealed enclosure will need more power. A ported enclosure will be louder with less power.

The Hifonics shown here would be a good choice for a sealed enclosure. It's rated for 1,100 watts RMS into a 2 ohm load.

http://www.sonicelectronix.com/item_17598_Hifonics+BXi+1610D.html

The Eclipse XA1200 outputs 600 watts RMS into a 2 ohm load. It would power the subs very well in a ported box.

http://www.sonicelectronix.com/item_17598_Hifonics+BXi+1610D.html

Somewhat less expensive but good quality would be one of the Alpine MRP series. The MRP-M500 is only $179.99 at SonicElectronix. It delivers 500 watts. It's big brother is the MRP-M1000 with twice the power. Be sure your subs are securely mounted or this amp will literally "lift the subs".

Hope this helps.

Oct 19, 2009 | Rockford Fosgate Punch 301M Car Audio...

1 Answer

Amplifier loads


Hello ronnieyannon,
A single 4 ohm speaker wired to each channel, like you have them wired, presents a 4 ohm load. And it appears that you have them connected properly. The 401s is only stable to 4 ohms when bridged, so if you were to parallel the 2 4 ohm subs in bridged mode, the load would be 2 ohms and the amp would most likely overheat and go into protection.

I'd wire them the way you have them wired.

Each channel of the amp outputs only 100 watts into 4 ohms. That is adequate for regular full-range speakers, component speakers, mid-range drivers, and even some small subs. But it is a little low on power for most subwoofer applications.

Hope this helps.

Apr 22, 2009 | Rockford Fosgate Punch 401S Car Audio...

1 Answer

Good price


Hello smoot_dog,

Well, you did not specify whether you have the 2 ohm or the 4 ohm versions of the L7 and that will impact your choice of amps. But with 8 voice coils and 4 subs to work with, you certainly have lots or potential configurations.

If your subs are the 4-ohm version, I would recommend the Alpine MRP-M1000. Currently it is on sale at www.crutchfield.com for $347.00. With this amp you'd wire the voice coils in parallel (2 ohms), wire each of the 2 pair of subs in series (4 ohms), and the resulting pairs parallel to the amp for a final load of 2 ohms.

If your subs are the 2-ohm version, I would recommend the Rockford-Fosgate Punch P1000-1bd which is stable at 1 ohm. Crutchfield sells it for $349.99. With the Punch and 2-ohm voice coils, you'd series the voice coils (4 ohms), parallel each pair of subs (2 ohms), and then parallel the resulting pairs to the amp for a final load of 1 ohm.

Either of these amps will provide an honest 250 watts RMS to each L7. They'll not only rock your vehicle, they'll rock the pavement.

Apr 14, 2009 | Car Audio & Video

1 Answer

Kicker l7 dvc 2 ohm wired to sony xplod xm1652z amplifier isnt pushing the sub


it is not the way how get most wattage from your amp. If it is rated to drive a 4-ohm load then it should be ok for a 4-ohm load. If it is rated for a 2-ohm load, then you should not be loading less than that impedance. I recommend a 4-ohm load.
Take note: it is the sound quality from the source that makes up all the total quality of your audio system. If you are overdriving the amps it will give distortion too.
There are many factors to consider when it comes to quality of a car sound system- speaker enclosure design, choice of speaker or driver, equalization, etc...
One more thing, try to get at least no voltage drops if you are wiring the subwoofer amp away from the car's battery.
hope this helps.

Oct 17, 2008 | Sony Xplod XM-1652Z Car Audio Amplifier

2 Answers

Wiring configuration 800a2


3 ohms per channel or 6 ohms bridged are the only options. 3 ohms per channel is a better option.

Apr 18, 2008 | Rockford Fosgate Punch 800a2 Car Audio...

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