Question about Scosche Industries Scosche Slc4 Speaker High Level Converter

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Sub hits backwards, hi low level converter?

I tried installing a sub and amp ( aftermarket ) in an 08 crv. i used a scotch hi low level converter spliced to the rear speakers for the out to the converter. the sub sounded horrible and would only hit backwards. i switch the pos and neg, same thing, and i tried switching the pos and neg on the door speakers and still the sub hit backwards. the amp and sub was later tested in another car with after market deck and worked fine.

does the crv have something stopping me from using the speaker wires for the hi low conveter? i never had this problem before.

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I ran into a similar problem installing a sustem in a Mazda RX8. He had BOSE speakers which operate at a different range. We had to purchase the Rockford 3sixty.

Posted on Jun 23, 2009

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Can i hook up aftermarket amp if so how


yes, buy a hi/low converter like this:
http://www.ebay.com/itm/HI-LEVEL-INPUT-ADAPTER-HI-LOW-ADAPTER-AMP-INSTALLATION-/200738024366?pt=Car_Audio_Video&hash=item2ebceb2bae&vxp=mtr

that connects to a speaker you have and gives you RCA connections for you amp. follow the diagram included in your purchase of your hi/lo converter.

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Jun 01, 2013 | Car Audio & Video

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I have a couple of questions regarding my jl 500/1. the first question: i just transferred my amp/subs (subs are JL W3s) to a new vehicle, and the place i had install it switched the "high/low"...


ok..well theres a lot of question in there, lemme take a shot at it.

the hi/low switch explained: the hi/low switch tells the amp what signal voltage is being delivered to the amp...hi-power (4-15volts) or low-power(micro-volts). Your aftermarket head unit had what are called pre-outs (or preAmp outs) meaning the source signal (your music) is not amplified before being delivered to the amplifier...sooo...your amplifier setting for your aftermarket radio would be 'low' to tell the amp that the music source being sent to it is low-voltage.

Typically a manufacturers radio will not have pre-outs, they will be amplified by the radios internal amp to anywhere from 4volts on up, and you need to tell your jl audio amp that the source music being supplied is 'hi' voltage.

soo...of course...if you are sending 10volts to the amplifier and tell it that your sending micro-volts (low setting) your amp will over-amplify the signal and thus the overwhelming bass you experienced.

May 14, 2011 | Jl Audio 500/1 Car Audio Amplifier

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Im tryin to hookup aftermarket subs but the lineout converter isnt working, it sounds like alot of treble comin outt of the subwoofers. is there anyway to find a low frequency wire to tap into for the subs


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Factory radio in 2010 honda crv


You will have to pull out the head unit and see if there is a blue remote wire for am and rca audio output jacks that go to amp. I highly doubt it. Usually you have to get an aftermarket deck

Jul 27, 2010 | Kicker Car Audio & Video

1 Answer

I want to hook up subs and a amp in a 2008 saturn vue how do i do it


If you are planning on using the factory stereo you will need a line level converter. You basically connect two of your speaker channels to the line level converter. That in turn will give you a line level out (RCA cables) That line level out can be fed to a two channel amp which would be where your subs would hook up to. If you do this however you will lose two channels of mid range and highs ( your rear speakers ). Downfall to this approach is that some line level converters are susceptible to alternator noise.

If you have an aftermarket deck this will be much more simple. You simply run your RCA outputs from your deck to your external amplifier. Aftermarket decks typically have front rear and subwoofer outputs. That means you can drive a four channel amp for your front and rear and a two channel amp for your subwoofer. This is the recommended way to go.
For hookups I just suggest buying an amp kit that is comparable in power rating to your amp. If you buy a 500watt amp make sure your wiring kit can handle at least 500 watts.

Feb 12, 2010 | Jl Audio M5122.4 Diamond Audio 12" Car...

1 Answer

Have stock radio # F75F-19B131-AA its in a 1998 F250 need to know how and if i can hook up one Amp for the two door speakers, and if i can hook up an additional Amp for some subs. Ofcourse if radio can do...


You will need a line level converter for starters (takes speaker level signal and converts it to line level/RCA signal) you connect this to the speaker left/right wires and it has a RCA left right on other end to connect and run to your amps, (you need this box because factory radios don't have RCA outputs on them) At that point all you have to do next is run the power/gnd/rem for your amp and then speaker wires to your front/rear speaker and then sub (if using). You can use one of these converters for your front/back speakers so you will still have use of your front/back/left/right fading options. make sure you disconnect th factory plug/harness at each speaker since the amp will be powering them and you will run speaker wires to each speaker. If you only want one converter it will be on your front channel and your sub will be power by the front. (you will fade to front for more/less sub bass unless your amp has a separate volume/bass control). If you want your sub to fade with rear speakers you will need to install another converter off of the rear speakers. Found a site with some photos that may help you with your project.
http://www.redlineforums.com/forums/howto-section/15003-how-sub-stereo-amp-install-factory.html

Aug 18, 2009 | Car Audio & Video

1 Answer

I am trying to install a amp and sub in my 08 gmc


dont need a diagram,, most amps have a speaker level input...dont mix this up with line level....connect your wires from back of factory speakers to speaker level input on amp...then if your amp has a low pass switch select lowpass setting now you have punch

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2 Answers

Subs not as loud as they should be plz help


RCA output level and speaker level output have different voltages and currents. The problem you are describing is common to folks trying to connect an OEM dash unit to an aftermarket amp. If your amp has speaker level inputs, try wiring to those......best bet..buy a new head unit, it'll sound better...louder and cleaner.

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1 Answer

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You need an active subwoofer input in your amplifier.Which amplifier you are using? Only latest pioneer amplifiers has active sub input and sub output which can be connected to subwoofer.If you dont have active input then you will have to connect it the way you did in old player.

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