Question about Alpine MRP-F300 Car Audio Amplifier

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I just bought an mrp f300 and am wanting to hook it up to 1 sub and 2 door speakers but the diagrams that came with it are not clear to me on how to hook up the rca from the stereo to the amp and also the speaker outputs leaving the amp are not clear to me

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What is the best amp for one 15" alpine type r?


sub spec 250watts per coil you should be just fine I have 2 typr 15s on orion hcca 2500 1 and it kicks a$$ thats 1000 watts over the rated limits of the subs only shut the amp down once these subs can take a lot more power than they say just use your common sence with the volume and gain levels

Jan 31, 2012 | Alpine Type-R SWR-1242D Car Subwoofer

1 Answer

I have the MRP-M1000 amp. I want to hook up 2 alpine subs to this amp. Which alpine subs would be the best for this amp? Please be specific with ohms and watts.


Your best bet will be to wire 2 subs in parallel to the amp. Each sub should be rated for at least 300 watts rms at 4 ohms. This will give you a total impedance of 2 ohms, and your amp will put out 600 watts rms at that impedance. That way, each sub will receive 300 wats rms. I would not recommend wiring subs in parallel, as you will need two 1 ohm subs at 300 watts rms, which are harder to find and will be more expensive. A parallel circuit is the most efficient way to do it.

Feb 23, 2011 | Alpine MRP-M1000 Car Audio Amplifier

1 Answer

I have the Alpine MRP-M1000 amp. I want to use 2 subs with this amp. Which Alpine subs would work best with this amp?


this amp is rated at 600w at 4 ohms and 1000w at 2 ohm so as long as you calculate your speakers to match the ohm specs of the amp you can hook up

parallel = pos to pos and neg to neg of the 2 speakres
2 - 8 ohm speakers in parallel = 4 omhs
2 - 4 ohm speakers in parallel = 2 ohms

series = pos to neg of the 2 speakers
2 - 1 ohm speakers in series = 2 ohms
2 - 2 ohm speakers in series = 4 ohms

Feb 22, 2011 | Alpine MRP-M1000 Car Audio Amplifier

1 Answer

I just got the MRP-F300 amp installed today and the rear-left speaker completely stopped working shortly after the installed. There is no cracking, hissing, or any noise whatsoever coming from that...


not usualy if you were running them before without the amp the speaker could have still easily blown. with just the deck running the speakers you can clip the sound and damage the coils hook up and amp then you force the power through an already damaged speaker finishing it off try another speaker. or if it was bought used amp may be no good the previous owner probably noticed it cutting in and out and sold it before it fried. or the deck is old and yes it is a possibility the radio went bad. if you used cheap rca cables yes it could be bad as well.

Apr 08, 2010 | Alpine MRP-F300 Car Audio Amplifier

2 Answers

How do i hook up the mrp-m1000 to 2 type r subs since it is a one channel amp? the subs r 4 ohms so it should work right?


hook the positive to positive and negative to negative on both subs then run wire to the amp the amp will see a 2ohm load

Jan 07, 2010 | Alpine MRP-M1000 Car Audio Amplifier

2 Answers

What is the best way to connect 4 speakers and a sub to a 4 channel amp.


I would connect the 4 speakers to channels 1-2 in stereo with high pass filter. Bridge the sub to channels 3-4.
A thumbs up would be greatly appreciated if this answer is helpful to you. best-way-connect-4-speakers-sub-4-zb4bomd1rt4qms0dqd12kkt2-3-0.jpg

May 01, 2009 | Car Audio & Video

1 Answer

Alpine mrp-f300 cuts sound off when volume is turned up.


the problem when someone become a car audio fanatic is, we want to hear BOOMS but we are not sure how many watts the amplifier can handle, besides that theres one very important thing that most of the installers don't know. its called ohms law (not a joke) that law tells you everything about how to measure the ohms marked on the speaker labels and also the way that you connect the speakers (theres two models; serial circuit and parallel circuit)

every single movement that you make on the connections tells a different story, and if you over load the amp it will auto protect.

i suggest you to set the level at least at 60% so you don't make any damage to the internal components, and don't forget to study ohm's law because a really professional installer knows it and well, they do the matt to get the best performance.

Dec 11, 2008 | Alpine MRP-F300 Car Audio Amplifier

1 Answer

How many speakers can I use?


Hi,
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

Wiring diagram for Alpine MRP-F300


From the Crutchfield site:

Owner's manual

You'll use fig.8 for the front speakers and fig.9 for the subs.

Sep 03, 2008 | Alpine MRP-F300 Car Audio Amplifier

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