How to hook up a sub to a car without an amp?

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Subwoofer without an amplifier?

WaterHond on August 04, , You simply connect the amp’s speaker out using normal speaker cable to the sub’s high level input and then the sub’s speaker outputs to your speakers. Then you just adjust the phase, volume and crossover frequency on the sub to suit your speakers.

The powered subwoofer connects to the stereo more like an amplifier would versus another category of speaker. Remove the stereo from the vehicle’s stereo mounting dock to gain access to the outlets on the rear panel of the stereo.

How to hook up a subwoofer to a stereo system Hint: You don’t necessarily need a receiver with subwoofer output jacks. Subs can provide a foundation to the sound that few speakers can muster on their own. So adding a sub is not just about adding more and deeper bass; rather, a properly integrated subwoofer can improve the overall sound of the system. AV receivers feature bass management to direct the low bass frequencies to the sub and the midrange and treble frequencies to the speakers.

The subwoofer is hooked up to the receiver with a single interconnect cable.

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How to hook up the subwoffer There are several methods, depending on the the types of 1 inputs on the subwoofer and 2 outputs on the amplifier aka receiver. You can only use the type that is on BOTH. Amplifiers or “amp” all have speaker level outputs and many also have jacks that are labeled “Subwoofer” or “LFE” low frequency effects Output. If both your sub and amp have the “line level” jacks, then all you need to do is get a cable that is long enough to connect the two together, and then enable the low frequencies to be sent to the sub instead of the normal speakers in the receiver’s set up menu.

If you have only a speaker level connections common to both the sub and amp, you’ll most likely need to disconnect the Main front L and R speakers from the amp and connect to the sub’s Speaker Output terminals – and connect a couple of new speaker cables between the sub’s Speaker Input terminals and the amp’s Main front L and R terminals. If you don’t understand completely, provide the make and model of the amp and the sub, and I’ll be able to clear up anything that isn’t clear.

Hi. Im trying to figure out how you would hook up a sub to a system that had a basic pre amp and a basic power amp combo. The preamp would typically have inputs and a single pre amp out to the power amp, i know more modern units might have more pre amps out etc but a lot dont.

This is necessary when one is adding an amplifier to a factory head unit, since factory head units do not have RCA outputs to get signals from. It consists of a transformer and 10 to 20 watts a high-voltage resistor and connects to amp by using RCA patch cable. The amplifier in the head unit is being loaded by the resistor.

It has also an adjustable gain feature to pull output. Most of the line output converters have wire to ground the transformer. The transformer will provide the variation of voltage between the two input terminals.

hook up subs without amp?

Friday, October 05, – To begin with, I see no reason to bother with an adapter for the run to the amplifier. Any modern computer should have a sound card installed with audio out jacks included. You can buy the correct cables for this connection at most electronics retailers, you’ll just need to know the correct length of cable required.

Depending on the computer and the sound card provided, you might have just a stereo two channel output from the sound card. Do not plug into anything labelled “phono in” on the receiver.

If the subwoofer features spring clips in order to use speaker wire, then you can use the speaker output of the receiver to hook it all up. This process is the same as connecting a basic stereo sure to mind the channels.

All it takes is a little know-how and a few tools and supplies. Go to your local car stereo shop and get an amplifier wiring kit. It should have everything you need from cables, wires, fuse and connectors. You need to figure out where you want to put the amplifier. It needs ventilation so most people put it in the trunk or under a seat. Open the hood and disconnect the negative battery terminal.

This will prevent any electrical problems during the hook up of the amplifier and subwoofers. Hook up the power cable.

How You Can Connect a Subwoofer to Your Stereo System

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. Before you begin the installation process, it’s imperative that you make sure the amp you’ve chosen is capable of accepting speaker or line-level connections. Once you’ve double-checked these things, you’re ready to start. You can mount it on the back of a seat, on the sidewall, on the back of your subwoofer box or on the floor of the trunk away from any loose items that may damage the amp by shifting when the car moves.

The only downside is that you have to run a line-level connection from your preamp to the subwoofer and back to your amp. If you don’t have a separate preamp and amp, you’ll need a receiver or integrated amp with preamp out/power amp in jacks.

Head Unit Has No Remote Wire A relatively common problem is installing an amplifier with a factory head unit or other head unit without a remote turn on wire or a burned out circuit. So the amplifier doesn’t stay on 24 hours a day you need a way to turn it on and off remotely. Hence the term “remote turn on wire”. Almost every aftermarket head unit has a remote turn on wire. Some manufacturers call it a power antenna wire. But regardless of the label all it does is output a positive 12 volts when the head unit is turned on.

It should be noted that some head units have both a remote turn on wire and a power antenna wire. It’s important to use the right wire for your amplifier and other electronic equipment. In the case of both remote and antenna wires the power antenna wire will only output 12 volts when the radio is on. If you were to connect your amplifier’s remote terminal to the power antenna wire then you would only get output from the amplifier with the radio.

When you switch to CD the amplifier would not work because the head unit turns off the power antenna wire when the radio is section is not active. There are several ways to get your amplifier to turn on and off remotely even if your head unit does not have a remote turn on wire.

Connecting a Subwoofer to a Receiver with No Subwoofer Output

Sharp knife or wire strippers Torch Electrical tape or heatshrink tubing Wire to extend the piggyback cables on the converter i used around 20 AWG Soldering iron to solder extension wire if needed Scotch Blocks i ended up using 6 Cable ties not essential but handy for keeping wiring neat Before you unplug your factory fitted radio, make sure you have the “unlock code” usually in the owners handbook.

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. If you dont have the code and you unplug your stereo it will not allow you to listen to it as it will assume it’s been stolen.

Don’t guess the code as you usually only get a few attempts before it will permanently lock it’self!

Open the amp wiring kit, which contains all the wiring you’ll need to hook-up your amp. You will need to connect the lengthy, red wire to the positive terminal of the battery. This red power wire should be thicker than your speaker wire–typically 8-gauge works fine.

How to find your Total Score? Add up the points from each column of the above table to find your Total Score. A Detailed Look at your Conditions Determining questions on adding an amp: So what are your listening habits like? Do you often listen at ear-bleeding levels that would send your mother-in-law out of your room in a hysterical rage, or do you listen at levels where you can still have a comfortable conversation? How big is your room?

Did you cram all your equipment into a small bedroom, stuffing your TV and subwoofer in the closet to accommodate everything, or do you have a dedicated theater room that can seat more than two people?

hook up subs without amp?

About Amps Finding the right amp for your bedroom and smaller clubs, can be a challenge. During the last decade, the market has been flooded by affordable tube amps in all price ranges and while most of them will cover your basic needs, there are some distinct differences that will have an impact on your tone. The large tube stack phenomenon started in the late 60s, when bands moved to bigger stages and needed more volume and wattage.

I actually tried this way of hooking up my sub today and I had an issue with volume. When I use the low level input my sub volume doesn’t go past 1 or 2 before its overpowering my speakers. Yet when I had it hooked up to the high level inputs I had to max out the volume on the sub and its still too soft.

Trim panel removal tool Step 1: Installing the 12v Power Wire In your amplifier wiring kit, generally a red in color wire is the longest one, which is the 12v power wire. You need to pass the wire through the firewall. Start from the battery and pass on to the amplifier. However, do not connect the wire to the amplifier or battery yet. Removing the Stock Stereo Remove the stock car radio from the dashboard of your car. Make sure that you carefully remove the screws that hold the stereo in place ensuring that no wires are cut.

Installing the Remote Wire Once you remove the stock stereo, you will see a blue and white wire, which is basically your remote wire. This wire is located at the back of the stereo deck. Get the remote wire in your wiring kit. Once you splice it, solder this wire to the remote wire of your stock stereo. After this is done, run the remote wire through the dashboard and the door jam.

Versa Sub Install With No Amp


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