Add amplifiers like a PRO! AudioControl LC2i-PRO overview
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- เผยแพร่เมื่อ 22 ต.ค. 2020
- In order to add an aftermarket amplifier to a factory car audio system we need a way to convert the high-level (speaker level) signal to RCA low level (line level). For years the AudioControl LC2i active line output converter has been a proven solution that helps restore bass and achieve high quality signal output. But vehicle technology is advancing and along with that advancement comes new challenges that require new solutions. AudioControl's new LC2i PRO line output converter helps solve these issues! Let's take a closer look in this product overview video.
LC2i PRO: www.audiocontrol.com/car-audi...
LC2i: www.audiocontrol.com/car-audi...
Thank you to Mark from the TH-cam channel CarAudioFabrication for assisting with this video! / caraudiofabrication
LC2i Pro Features:
Two channels of active speaker level inputs (up to 40V input handling)
Fixed and variable outputs with discrete level controls
AccuBASS® processing for correction of bass roll-off
Load Selection Switch
GTOTM Signal Sensing
Ground Isolation Switch
ACR-1 dash remote inluded
Compact design
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This is the ONLY video that CLEARLY tells you how use and set up Accubass. THANK YOU. MUCH better than the completely unhelpful video posted by Audio Control themselves.
This dude is the best car audio fella on the TH-cam. Just bought the lc2i pro... They should be paying him well... I'm sure he's responsible for a ton of sales
OMG this is one of the best explanation videos I ever see. Thanks
Hi Mark, I'm from Canada, province of Quebec, and it is amazing the good job you've done with all of your video !!! If I had a chance to get internet when I was young I wouldn't blow out few 6x9 ! lolll Pretty good instruction on LC2i.
Holy crap. Wish I had one of these 20 years ago.
Man this is a great video! Glad I found it . Thank you for the information.
Gonna try this one out for my 2014 A3 Sportback with B&O system 🙂
This is an awesome video and helped me decide from the LC2i vs the Pro. AND using the Sub out instead of speakers on rear deck. GREAT VIDEO! New fan! Thank You!
I have a 2019 Ford F350 B/O OEM sub, which color wires do I use to connect the lci2 pro? Thank you
On 2019 f150 b&o sub wire there is 4wires due to stock sub being dual voice coil So I need to know if I am only installing one JL audio tw3 dvc sub would I use two wires or all four into lc2i pro?
so is it better to use your stock sub signal
To me a strong, clean signal going in to your amp makes all the difference in how your subs will sound 👌..This little gadget makes that happen..
Absolutely!
What's the best wire to get
one thing u didnt mention the regular lc2i rolls off bass under 33hz the pro lets u get that low bass down to 20hz much better i am upgrading asap
Almost threw the pick away. Thanks!
Mark's fab kitchen 👌
Hey Mark, great video. Perfect information. I was thinking in my head - "what input should I take from the factory system - sub or rear speakers". But then you covered it off with the advice to take the sub input into the LC2i. In the past, I have used the rear speaker wires, and then had issues with fading from the head unit, if I faded towards the front, my sub was not getting all the volume it could use. So with my new system, I have a factory sub, so I will be using that input into the LC2i.
One question for you. I have an MTX RFL 12" SVC, and the MTX 4001D amp. I am worried about the sub being under powered at 2 ohms. Do you think it will be ok?
Great channel - keep up it up!
Awesome video, Just what i need
beautiful video
Awesome video. Great and direct info. All I’m thinking is with some factory stereos there are no eq’s. What’s your fix?
Nice job with this video. This sounds like what I exactly need for my new Ram 2022 2500 with basic 6 speaker system!! What shall I do if I want to run a 5 channel amp? Which input? Fronts?
Thanks for the video. Unlike your example, I want to connect BOTH main and bass to 4 channels of amplification. So, according to the manual, the ONLY difference between the two is the bass output has a non-defeatable low pass filter and the output level can be controlled via the remote knob?
Got it I'm tapping into the wrong wires I'm using my rear left and right doors when I should just be going from my Infiniti QX50's sub. I thought any input would work obviously I need to rework the system and it seems much more streamlined coming from just the sub thank you! Your videos are super helpful man thank you
Doesent matter.converts highs to lows anyways
watch the Video you did about just the regular LC2i. I plan on buying the pro version for an install In my ladys car !! Thank Mark for the knowledge and the time for the vid
Great video! I am looking to get the pro version for the load resistor’s for my challenger. Does the lc7i have load resistors like this one? If not, what are my options as my factory system does not have a full frequency range signal? Every speaker in the car has a different signal (tweeters, mid base and factory subwoofer)
GREAT VIDEO! - So, question....since now I'm going down a rabbit-hole....lol. I recently followed your video to an exact tee and coupled this with the instructions on how to set up my sub amp (JL Audio 500.1). Now, I recently found some info on using an Oscilloscope to SET proper GAINS. Do I still need to get one if I followed all you instructions in the video or does this negate the need for an Oscilloscope?
Thanks for the video, great stuff.I have a question about my current build. I have AudioControl LC7i Black 6-Channel Line Output Converter, 2 after market amps(4ch amp and 2 ch amp(for subs) connecting to a factory Ford radio(i have no choice of using an after-market radio). I'm running 125watt rms to the doors(4ch) so I will use after market speaker cable, not factory internal speaker wire. So with this, im thinking these speaker wires will connect from 4ch amp to the door speakers, which makes sense but my question is where does the 2 sub speaker wire connect from the LC7i to the harness(im using PAC LPHFD31 harness) as the harness will only have the 4 pairs, not 6 which I would need?
Excellent Video Mark. I have one question, once you configure the Bass Output and the AccuBass. Would you THEN set the gain on the AMP?
Yes, you are correct. You'll want to first find the max undistorted output from your source unit, then set your LC2i Pro, then set the gains/crossovers, etc. on your amplifier. Hope this helps, and happy holidays!
@@AudioControlCar quick question I'm setting up an install in a factory bose car. Do I need to unplug the factory speakers when running test tones to set my gains?
Couldn't decide what I wanted to get. Was gonna change my head unit. Decided on the pro. Gonna push 2 skar ix8 subs and Memphis prx60c in the doors on a Memphis prx700.5 5 channel amp
I respect and love audiocontrols equipment so far iv purchased the matrix, lci2 pro, micro epicenter. I recently swapped out the epicenter for the lc21 pro, but I been having trouble with getting it to transition without noticeable change. I get just over halfway on the volume and it kicks in with jump, like the bass kicks and a split second later it jumps up to add bass. what am I doing wrong ? I do love the quality ov sound it reproduces. I run 2 12s in a sealed box.
Mark, If your side note about using the left speaker input on the lc2i if you only have one set of speaker wire tapping into a speaker, is correct which im going to check tomorrow morning. you are a god send, i was doing a install today on a friends car and got to the very end and could not figure out why my lc2i is not turning on even though i know it was connected properly and my speaker input is correct.
Hi! I installed a JBL BassPro SL2 powered subwoofer on my 2016 Volkswagen e-Golf (non Fender audio) by tapping the front speaker outputs and connecting them directly to the sub’s high level input.
I noticed the head unit output now clips at a much lower volume and it gets unusually hot. It is impossible to set the sub amp gain as the levels are all over the place and slight changes to the amp gain cause the sub to cut in and out.
I verified the polarity of all connections on both ends and everything seems alright. I would assume tapping into the speaker outputs effectively lowers the impedance seen by the head unit onboard amp causing it to go crazy.
Wondering if using an LC2i instead of the sub’s high level inputs would make any difference.
So is the sub crossover point customizable like the older Audiocontrol crossovers or just a generic starting point and to be more install specific and/or to have subsonic filter you’d need another processor after it?
Hi, nice video! Could you use both outputs at the same time? Got a amp for the mid and high frequency, and a mono amp for sub.....
hi Mark, love watching you videos and how talented you are at your job, my question is if I run a 2 channel amp ( bridged ) for my sub could I use Y splitters to run a 4 channel amp for my speakers ( i know i wont get fade ) but thats no issue for me? many thanks
What do you use to connect the RCA outputs of the LC2i to the simple speaker wires
Hi, nice video but i have a caution about the remote for the lc2i pro and what happen if the amp have a remote too? So wish one i will use?
With the remote out wire to the sub amp can u run a nothing wire with that to a second amp?
So I have two remote bass knob. One is the RF T-1500 BDCP PEQ remote and the other is for LC2I pro remote bass, which one should I use?
How about the gain on the amp? What do I set that too when setting the bass output level on LC2i Pro?
Does the 12v constant for the lc2i come from the battery like the amp?
So here you say use output depending on what you need. So if I wanted to add amp for mids and highs and one for subs what would be the best route?
Are you supposed to use the remote in or out option. For the older lc2i
Can you setup the Lc2I using the maximise light the same way as the pro?
Which do I tune first the lc2i pro or my amp?
When running test tones for mids and lows. Do I need to adjust stock stereo bass/mid/treble to zero?
Hi mark I have a question can I use the same installation with a after market radio # Tesla screen thanks
I have a premium stock amp that uses fiber optic back to the HU them the HU control is pushed out to speakers 12 , In using the audio control unit I am begging the question , is there any back feed and reverse polarity that will damage the OEM premium amp or cause the OEM amp to react abnormally with the addition of The LC2 on the system
I'm going to add two 12-in Kicker competition R's to my 2022 Palisade calligraphy Edition. It has the Harman Kardon 630 watt system with 7.5 inch subwoofer in the rear. Going to buy the LCI 2 Pro to tap right into the existing wires in the luggage compartment. will the LCI 2 Pro handle the already crossed over signal. Do I need a DSP? I have very little punch and almost no real low end. The base roll off is horrible in that system as well.
Hey Mark how are you. Question can i tap into my factory subwoofer 🔊 wires on the rear on my car or is it better to tap in from the harness before the factory amp ??
@Mark. Where can I find a schematic for my vehicle's audio wiring? I need to find a solid spot to tap in to for my LC2. Thank you for any help.
Can you use remote out for 2 amplifier s and question since upgraded my components speakers with my stereo off tweeters noise making me crazy 🤪
Does it only do signal for Bass or can the LC two pro do mids amp
Can I use Lc2i on aftermarket radio if yes the installation will be done the same way as the factory radio
Mark will i need one of these and or an ampro ch41 for my jeep gc ?want to add amp for doors first.
How’s it going hope you see this message to help me out. I have a 2019 Yukon slt I am looking to upgrade the audio but keep the factory head unit. The setup I plan on going with is a Jl audio 900/5 Hd amp with jl audio c2-690 tx for the front door and jl audio c2 650x for the rear they are coaxial speaker with 1 12” jl audio w3. Will I be able to run this setup with LC2i Pro?
Does anyone know the recommended load select setting for a 2018 audi with the B&O system?
So to be clear I can run a 4 channel amp and a mono amp at the same time right?
I have a 2013 Mazda CX5 with Bose. The signal from HU to stock amp is already low level. Is this LC2i still useful or can I just splice an RCA into the headunit output like I've seen some forum users do? Or should I keep factory amp connected and use high level out of there into LC2i? Ideally I want to ditch factory amp.
i purchased an LC2i pro at a garage sale for a few bucks. its new in the packages, doesnt appear to have ever been installed or used. however, it's missing the ACR-1 knob control. do i need the knob for this unit to function or can it be run without it? Also, can i pull signal from the rear speakers themselves for my sub, or will it require connection from the back of the stock head unit?
Question? When im setting my bass output on the lc2i pro. Do i need to turn the bass knob all the way up or down? Or does it even matter?
If I already have a remote bass knob on amp should it still use the knob for the lc2ipro?
May I recommend adding the subwoofer signal (mono) information to the website. I was looking for the info to know weather I wanted to pull the signal from my factory subwoofer in my 15' Chrysler 200s AWD. Wasn't sure if the single channel would be enough and not throw the "sounds" around; that being from left to right essentially. I did notice you guys had the mono hook up information but it was very limited.
Thank you for specifying this information as I noticed while using the left and right rear speakers, the low notes seem limited vs my old vehicles which didnt have the factory sub.
- I've had the exact same set up in nearly 6 different vehicles.
Thank you for this AWESOME invention making it SO much easier to install a little extra bump without ripping my very expensive factory setup out. The Alpine setup my car comes with is very nice, but I always wanted a little more thump and bump from it. Thanks again AudioControl. Will be looking into your amps as soon as I can as well.
Can you use wire from your factory sub wire to lc2i in a 2011 ram has factory amp
Hi I just hooked up the lc2i and my mono amp and sub. The lc2i only turns on when I turn my volume up loud. Isn't it supposed to turn on just from the signal? Please help!!!
How does the acubass get adjusted when using the bass knob!??
i have an old nakamichi a1 amp which i want to connect with subwoofer. I don't know what those ground controls are but i think my amp is grounded. Anyway would this be a good device for my home system?
Where do I get the 12v constant power from? The battery?
I am currently confused on exactly how I should wire this with an 18 speaker Ford Unleashed B&O stereo system. I wired it from the subwoofer but it really seems to be all these crossovers working against each other. I received some advice to use a side speaker but the crossover cuts off some of the deep lows for that speaker. Kinda puzzled. Anyone on here have any insight?
Phenomenal
Can I use any type of copper wire to tap into subwoofer signal
I dont have an issue with bass rolloff but I do have an issue with the bass sound when using high level inputs. Its very hollow and does not sound full, I have tried everything to fix it but have no Idea.. Anyone?
Do you turn the head unit all the way up to set the level?
Can I use 3 channel's of a 5 channel amp woth this ?
I bought the regular lc2i before I knew about this pro. I know you said it’s a little bit more difficult on the regular but still possible ? I tried to get a refund but they aren’t letting me I should have waited to buy the pro.
They way u explain it- it seams like u can only add 1 amp. Either bass amp or highs amp only. Is this true??? Or can u add front rt n lt speakers n have highs amp n bass amp- both??
How can it help with bass when I don't have a sub in my set up but still getting bass but it roll off
I have a BMW with the Harmon Kardon system quantum logic surround sounds excellent! (Includes 7 x 26mm metal-matrix dome tweeters in the dashboard, front, side and rear, 7 x 100mm ALumaprene midrange speakers in the dashboard, front, side and rear, 2 x 217mm woofers (central bass) below the front seats, Harman Kardon Logic 7® DSP amplifier in Class-D technology with a total output of 600 watts includes 16 speakers). The audio quality is excellent, but i feel the factory underseat woofers lack that deep nice bass i crave. Will this work for my application? Or should i go wiyh the lc7i or jl fix 86? Thanks your the best!
This would certainly work for your application. The LC2i PRO will not only work for your vehicle, but it will also give you a nice clean, hot signal to send out to your aftermarket amplifier(s). There is likely no need for an LC7i in your application.
How much clean output volts this put out?
Where can I get replacement plugs for power snd speaker
If your amp has speaker level inputs is it still recommended to have a loc?
With this device or an LC7i which is what I have, how would you go about using the loc and feeding it to an epicenter? As you mentioned the subwoofer channel is only for the low end, the rear speakers are full range but limit the low end. How would you wire the loc so that the epicenter can receive a real full signal?
Both the LC7i and the LC2i Pro put out signals up to 1khz on the "bass" outputs, therefore they're perfect to feed the input side of an Epicenter. Feel free to just take the sub or CH3 output of your LC device and feed it to the input of an Epicenter. Should have some great results and be more fun to listen to!
Will you need a cross over when you are using LC2ipro?
If i have aftermarket head unit... Do i still need this LC2i-Pro?
Did it replace the LCQ1?
Damn these people didn't know how to install my LC2i pro and my nob don't work I was wondering about that and they have the subs on the wrong way thanks for this video im going to be working on my installation myself
So I've just installed the Lc2i pro in my new system. I kept the stock head unit, I only added a sub and I spliced into the left rear speaker inputs.
I cranked my volume to 75% ( my speakers are quiet even for stock btw). So, I start turning the bass output level, and I hit the max but with no maximized light. I assume the signal just doesn't output enough because the speakers are quiet even at max volume. I left it at max, and then moved on to the acubass, turned the threshold all the way up and never got either light to come on, when I turn the acubass level to max, still no light. I finally said I'll leave It all at max, now the acubass decides it wants to cut on whenever and my L7 q-class will BLAST for a few seconds and then the feature turns back off. To clarify, this is a head-unit problem correct? I want acubass to stay on constantly while music is playing even if I turn the acr-1 all the way down. I've even tried turning up the head unit bass level but then the speakers start to distort. Do I need to replace the head unit (I really don't want too)
I had the same issue I just turned the volume up on my head unit then started getting the max light. But I was damn near at full volume but I also have a shitty 2014 Silverado ltz factory radio so it’s a total turd
Do I need a lc7i pro if I have A factory radio that didn’t come with a amp?
How do you tune that if you haven't tuned your amp yet?
one thing my rear speakers are controlled by an amplifier which doesn't send bass signals they only send mid range frequencies i want to put the lc2i to play my subwoofer the lc2i transforms the signal so i get bass?that you!!!!
If your amplifier comes with a dash control knob too, which should dash control should be used? The ACR-1 or the amp's knob?
Depends on the amplifier make/model, but generally, we would recommend using the ACR-1.
Hello AudioControl Team!
At the moment I’m using an JL Audio LoC-22 and would like to upgrade to the LC2i Pro. My issue is that the Bass Rolloff from my Audi MMI B&O System is very noticeable. My question would be if it is required to run a full range signal to the LC2i for Accubass to work or will it work with an Subwoofer-only output? Thanks in advance!
Great question! Our AccuBass technology does NOT require a full range signal be present for it to operate properly. The LC2i Pro would be a perfect match for your Audi. Let us know if you have any other questions!
@@AudioControlCar Thanks for your answer! Today my LC2i Pro came in and have another question. First I setup my gain using a test tone and the maximized light. When enabling Accubass the maximized light comes on again. There is no step in turning down the Level to compensate for this. How should I be proceeding? Should I turn down the level until the maximized light turns off to prevent distortion with Accubass active?
Thanks in advance!
Where can I find testtones?
With the remote in and out can the lc2ipro turn on another amp with the remote in Not wired? Also with any of the audiocontrol multichannel amps can you use the remote to turn on other amps aswell or do they need to be wired separately? Thnx
Correct. No matter which turn on mode is used, the LC2i PRO (or any of our products for that matter) will put out a turn on signal to turn on other amps/gear. Same with our amplifiers.. if you use the GTO feature to turn on one of our amps, the remote turn on terminal becomes a remote output to turn on a second amplifier.
So if I want to use the LC2i pro for the subwoofer in my truck, where should I be getting my speaker in wires from? I do not have a factory subwoofer nor do I have the leads to pull from. I have a 2021 F250 XLT.
I would pull the speaker input from the rear speakers
Guys you have to put out more content.
Thank you for the feedback! We are working hard to put out more video and social media content than we ever have before. Thank you for being patient and supportive while we get things rolling!
where do you install that 1amp fuse for the 12v power wire?
As close to power source as possible
I don't like those slots in the remote and 4 screws. Like the picks though.
I just ordered one of these. I believe my factory subwoofer on the rear deck only has one set of wires. If I tap into those, when I get to the Lc2i pro do I need to jumper ++ together and - - together? Also, can I used the same grounding bolt as my amplifier? Thank you!!!
Yes, you can ground it to the same spot as your amp, as long as it is a good, solid grounding point. As for signal, yes, a short jumper of speaker wire, to send signal to both inputs, will work just fine.
@@AudioControlCar I’m new to this, what do mean by jumper. Do I wire the lci2 positive to positive and negative to negative and then connect the stock sub wires (positive and negative) to the lci2’s positive and negative? Thank you.
Is the LC2 different from the epicenter
What gage of positive wire do I need coming from the LC2 and Is it a fused positive wire? Do I connect it right to the battery?
you can connect it to the amps power / ground with a 14 guage wire. the power line between the amp and the power in of the lc2i should be fused with a 1amp fuse. HEY i finally answered something about car audio. guru status
If my truck had 4 door speakers where do I tap into to get the signal? Do I tie into any of the 4 speakers? Do I loose that speaker or does it just piggy back on that existing speaker wire going to that speaker? Thanks.
You would generally tap into two of the 4 speakers present. Depending on what you'll be installing, you'd likely just grab signal from the front two or rear two speakers. You will not lose the speaker you tie into, you're just T'ing into the signal, not interrupting it. Hope that helps!
Ok. To set up accubass. Does the bass on the HU need to be reset to 0 or does it need to be set first at good bass before the bass rolling out?
I would have your eq flat
do you need to wire the sub power separate to the loc or can they both work off of the power in the loc? If not can I attach a wire to the 12v going into the loc and power the sub off it?
You can do that. But it is recommended to add a fuse between the amp and the loc