Can u hook up subs to a stock radio

Wiring up an amplifier to a stock radio is something that many of our customers do themselves. With the proper parts and correct wiring, this can be an easy way to improve your factory stereo system. Line output convertor LP has adjustable input signals and signal sensing remote turn on. This is what is going to feed signal into your amplifier.

Adding RCAs to a Standard Car Head Unit

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Buck Pomerantz I've been tinkering with electronics ever since I was a kid - starting with taking apart and putting back together televisions and radios. I always got them back together again and working. I took courses in radio and electronics as a teenager, and became a ham radio operator. I worked in my high school's stage crew, running sound, lights, and a movie projector.

After college, I joined a rock 'n roll band as the soundman and learned how to lug around and operate the gear that helps make music sound good and loud. Working in a music store in Austin, Texas, I spent a few years manufacturing, installing, repairing, and operating sound systems. Our customers were recording studios, nightclubs, and touring bands. Eventually I moved back to Charlottesville, Virginia and opened a small demo recording studio.

In , I finally came to my senses and got this job at Crutchfield. They actually pay me to ramble on, rant, and explain the things I love about music, electronics, and getting good sound. Given my background, they put me to work writing about some of the most complex electronic products Crutchfield sells: Adding an amplifier to a factory stereo often requires running a lot of new speaker wire — from the stereo to the amplifier and then from the amp to the speakers.

This can feel like an impossible nightmare. Fortunately, we have a way to make it a little easier. If you have an aftermarket stereo, you'll use a set of RCA cables instead of one of the 9-wire cables below. The best way to connect it to a factory system is to tap into the stereo's speaker outputs for the amp's input signal. Then send the amp's outputs back to the stereo's harness, and on to the speakers through the factory wiring. Run two of these cables from the dash to your new amplifier.

You'll need one for the amp's input and the other for its output. These cables will act like a "T-harness" to connect your amp to the factory system. Behind the factory radio, you can access all of the speaker wires in one place. The radio's wiring harness delivers power to the radio and sends its output to the speakers. You'll need to identify which wire goes to which speaker. Positive leads are usually solid-colored wires, while their accompanying negative leads tend to be the same color with a stripe of a second color.

Please be aware that these wiring colors vary widely from one car to the next. If you purchase your new gear from Crutchfield, our Tech Support team can look up the wire colors for you. Give us a call before you tear apart your dash, so you'll know what to expect. Once you've identified each of the eight speaker wires, cut each one. Connect the end coming from the radio plug to a new wire going to the amp's input.

Connect the end going to the speakers to the appropriate wire coming from the amp's output. That means you'll use two of the 9-wire cables, one for the amp's input, the other for its output. Even with my challenged eyesight and shaky hands it only took me about 40 minutes to wire this harness for illustration. Amplifiers that have speaker-level inputs also feature "signal-sensing turn-on.

This means you don't use the ninth wire the blue wire of either cable for this installation. Crutchfield offers a foot and a foot version of EFX's 9-wire cable, to accommodate different sized vehicles. We also carry a small selection of highly conductive, pure copper speaker wire , available by the foot. You can use that for connecting your amplifier to a factory system instead of the 9-wire cable, if you want.

We really like the EFX cable because it's such an elegant and easy option because each set of speaker wires is color coded. You can make all the speaker connections without having to solder or crimp anything. One package will cover this job and give you a few spares. For amps with more than 75 watts RMS of output per channel, it might be better to go ahead and run new or gauge speaker wires directly from the amplifier to each speaker.

Factory speaker wires are very thin, with high electrical resistance. They can cause noticeable power loss when higher wattages try to get through. But amplifiers of watts or less aren't really affected by this. Another popular way to connect an amplifier to a factory radio is to use something called a line output converter. It connects to the factory radio's speaker wires and converts the speaker-level signal to a preamp-level signal. A line output converter offers some advantages, like the ability to sum and control signals of a multi-channel factory system.

So if you're upgrading a complex system, using a line output converter might be your best option. The speaker wire solution we've shared here is a simpler, less-expensive alternative that will work for most people. Read more about line output converters. This article focused on a way to simplify the speaker connections. For information about other aspects of amplifier installation, like power and ground wiring, check out our Amplifier Installation Guide.

If you have any questions about connecting a new amplifier to your speakers, contact our advisors via chat or phone. They'll take the time to answer your questions and explain the details, then get you set up with whatever you need. Hi Buck. Thank you for ypur quick response. I recently asked a question about using speaker level inputs on my Boston GTA amp to power my factory speakers while still having control over balance and fader as well as subwoofer on the head unit.

Using rca splitters would decrease the voltage going to the amp. Is there no other way to do get this to work without replacing the head unit? Both amps have speaker level inputs. My head unit only has 2 pairs of RCA outs. What would be the best way to connect everything with minimal sound quality loss? Thank you in advance. Greatwrite up! I am tapped into the speaker outs after the amp, and connected to an AudioControl DQ Sometimes, the music cuts out when I turn on the car.

I've tried different resistors to simulate a load, but to no avail. Had a MTX 5 channel which I got thru you all. I had it installed and we can't figure out what is going on. He used a 4 channel line converter for the stock Hyundai tuscon radio. I also. It will fad to the rear but will NOT go to the right side speakers when level is all the way left. He says it's due to the factory radio but I am not buying this.

I love my Music to be perfect and this is bugging me so much. Thanks for any suggestions. Hi am am trying to install a amp into a Honda Accord and I'm not sure if there is a place for RCA wire and a remote wire would you no anything about that. I plan to run two 9-wire cables to connect the 4 speakers in the doors.

Adding an amplifier to a factory stereo often requires running a lot of new speaker wire — from the stereo to the amplifier and then from the amp to the speakers. This article explains how to connect an amplifier to a factory stereo. Then send the amp's outputs back to the. Wiring up an amplifier to a stock radio is something that many of our customers do themselves. With the proper parts and correct wiring, this can.

We're sorry, chat is not available at this time. Please visit our Support page to find the help you need. For Tech Support, call Our day money-back guarantee. Why buy from an authorized dealer?

If you love your bass, then a subwoofer is indispensable for you.

A sub woofer or two in a vehicle can make the world of difference in listening to music. It is very important to match the RMS of your subs to your amp.

How to Install a Subwoofer to a Factory Stereo

If you want to upgrade your sound system in your car by adding a sub woofer or speakers powered by an auxiliary amplifier without having to get a new head unit then hopefully this should help you: I decided to keep my standard head unit because it looks well in the car, is less likely to attract thieves than a shiny after-market unit and it is a factory upgraded unit anyway and i find it gives pretty good audio quality, it works with the steering wheel controls and has bluetooth and aux-in, so an after-market unit wouldn't offer a substantial upgrade. Factory head units rarely have RCA or "Low line" outputs which your amplifier will need for it's input signal. Bits You'll need: If you dont have it then you should acquire it from your car manufacturers customer service phone number, your local dealer or the internet. Getting them online can be a bit unreliable and expensive.

Buck Pomerantz

Subwoofers are routinely added to stock systems to add much needed depth and impact. Subwoofers require amplification, since a stock radio cannot power these devices on their own. Using the right adapter and choosing the best subwoofer and amplifier combination, you can get the factory stereo sounding its best within an afternoon using basic wiring skills. The vast majority of stock radios do not include outputs on the back for wiring amplifiers. These RCA connections known as preouts provide a clean line-level signal for new amps added to the system. However, line out converters colloquially known as "LOCs" solve this issue, wiring into the speaker level leads on the back of stock radios and converting the signal to a low level. From there, RCAs carry the signal to the subwoofer amplifier. No other factory wiring need be interfaced other than the accessory wire on the stock radio, used to activate the new amplifier when the stereo is turned on. Impedance may be the single most important measurement when adding subwoofers to any amplifier. Impedance measures the amount of effort the amplifier must exert to push a speaker or subwoofer, with lower impedance numbers indicating more work is required.

Installing an amplifier in your car's audio system can seem overwhelming, but installing one without RCA jacks can be downright intimidating. Older systems usually lack RCA jacks, but just because you have an older system does not mean you cannot add an amp for additional power to push your speakers or subwoofers.

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