Overall, great idea! When I turned on the power, 'PROTECT' started blinking on the display. To use a car stereo inside the house, you need a 12 Volt DC power supply. wikiHow is where trusted research and expert knowledge come together. may be with lasercut box will be nice home stereo. You can either buy one or try to find an old one from a computer. My setup is an AM-FM-8 track player I got out of an Econoline motorhome in the junkyard. To create this article, 13 people, some anonymous, worked to edit and improve it over time. The best way is to use an old manually tuned receiver. Check the specifications of the power supply on the package and make sure it can output enough voltage and current in order to power your car amplifier, which usually needs a minimum of 12 DC volts and a 30-amp current. I guess it may b the reason.... Any help is appreciated.. :-). PSU output its 240v.. how do i make it ? Tech should make life easier, not harder. Amazon's Choice for power supply for car stereo. Beyond that it should work fine. Even if you want to run some car audio equipment in your house, these power supplies are the perfect solution. Discover over 124 of our best selection of 1 on AliExpress.com with top-selling 1 brands. Electronics $12.99 $ 12. This article has been viewed 129,350 times. I want fairly good quality sound, but I dont want to pay a whole lot of money. PC power supplies are not designed for high current sustained outputs and lack the proper cooling for such an application. Please consider supporting our work with a contribution to wikiHow. Now, find the green and black wires right next to each other. Even if using a power supply to connect a car stereo system at home is a means, you can do so, even if you don't have a PSU. can i just follow your step ? Keep in mind that a four ohm woofer and a four ohm tweeter, each with identical crossover points will not sum t… So a 12-volt battery would be sufficient. Had a PSU lying inside a PC cabinet I hadn't used in years. I carried out all instructions in the article, but I'm getting very few stations and lot of static. By signing up you are agreeing to receive emails according to our privacy policy. I … Search the model number of the radio and you should be able to find one. I did post a snapshot of my setup, hope it helps!~quad8, thats pretty neato, this actually is a good method i was looking at doing something similar with a desk PC I am building, and what a great way to use up the old molex cable, when I do it the 24pin connector will be plugged into the motherboard, so essentially when you hit the power button to fire up the PC stereo will turn on and what not, Reply Do I need an an aerial to receive good reception? I never bothered to check amperages and I never bothered with a fuse on mine, especially because there's a 10amp fuse in the back of car stereos, but the power supply has been on and the radio in standby when it's not being used since I made this Instructable. Include your email address to get a message when this question is answered. Also...shouldn't you have an antenna attached to the unit? Also, use a good quality wire for connecting the antenna to the radio. Read your stereo specs. I want to use a car stereo to power four 50 watt nominal speakers in my house. - Collapse - GUEST BATHROOM AUDIO I hooked a car stereo up in my house with a 12 volt car battery charger. Just hook your speakers up the same way. Loose the screw, insert the wire, and tighten the screw. My antenna is a piece of scrap #10 solid copper wire shoved into the antenna jack and held in with tape. A DC power supply is used in place of a 12 volt battery when you need to operate car audio equipment and the only source of power is the mains voltage (AC wall outlet). Universal Compact Bench Power Supply - 30 Amp Regulated Home Lab Benchtop AC-to-DC Converter w/ 13.8 Volt DC 115/230V AC Switchable, Screw Type Terminals, Cooling Fan - Pyramid PSV300. Great way to … I … It doesn't matter how many W it is, or whether it's modular or not. This article has been viewed 129,350 times. Check the output of the radio (usually it's something like 4x60W). This was not to make a car stereo. Nothing to do but buy a new PSU. Follow these steps to safely connect your car stereo to your home power supply. as a super rough idea to guideline with - 100 watts of stereo power needs 10 amps as power. Power is measured in watts per channel, and the decision about how much power you'll need should be It had to be able to fit in with a variety of décor, as I… Gray and white are front speakers, green and purple are rear speakers. Thanks for the comment, and good luck with yours. We use around 120 volt AC power supply at home, which is not suitable for the car amp. How can I keep the radio's memory without leaving the power supply on 24/7? Reply I made one for my home over the weekend. Last Updated: November 5, 2020 The only way I can ensure this is to check my work with a cheap multimeter, available from most large hardware stores for <$20. Big thanks! 5 years ago, It shouldn't matter what the PSU came out, they should all work, and they don't need to have a switch to work. How to Properly Hook Up a Car Amplifier Inside the House: Hello everybody, recently i bought car amplifier for repair and decided that im gonna replace my Sony XM-4020 that i have been running as my subwoofer amplifier for a year now. We use cookies to make wikiHow great. Jun 3, 2020 - Car Stereo PC Power Supply Mod With Pizzazz: Now many have used computer power supplies to run various devices in the past, car stereo equipment included. You'll need: Car stereo- I'm using a Sony Xplod CDX-R3000 Speakers- I have a set of Acoustic Research and a set of RCA speakers PSU- old computer power supply Wire strippers Wires Speaker wire  Electrical tape. Or, I may go purchase a relatively cheap automotive AC/DC power inverter for the task. Start with 7 V at the bench power supply. This will make the PSU power up when you turn the switch on. So a 12-volt battery would be sufficient. The time has come to test it. I just ran the three wires (ground (-), switched +12v, and constant +12v) through a hole I drilled in the case. Use a bench power supply with adjustable output and a couple of rectifier diodes (something rated at 3-4 A). Thankfully, Amazon came to the rescue with a next day delivery of a new PSU. It had to be able to fit in with a variety of décor, as I… I had to unplug the 12 volt supply to turn the light off. You say the store had a power supply, do you know how many amps that supply had? Car Stereo to Home Stereo With a PSU: I'm going to show you how to run a car stereo using an old PC power supply. Reply 10% coupon applied at checkout Save 10% with coupon. This is especially true of speakers since they are passive devices. By using our site, you agree to our. Panel removal: – Use a trim stick to remove the boards encompassing the radio. I also had an old working PC power supply, so your post is very appealing. What should I do? This is just my setup. % of people told us that this article helped them. I power it with a 12V power supply from Radio Shack. Every dollar contributed enables us to keep providing high-quality how-to help to people like you. I wanted to do one that had a little style to it, yet didn’t break the bank. If possible, I'd like Car amplifiers are designed to use the direct current (DC) from the car’s battery and alternator for power. These little power supplies that you commonly see, (I call them wall warts) are not going to do the job because they don't provide enough amperage. Probably one of the best home stereos I've ever had. To begin with, get the red, yellow and black on the stereo Red is ignition, yellow is constant and black is ground. I think posting some images might help u great people to help me... :-), Reply Answer: The Sony technician is obviously right and you must strictly follow his instructions, because while selecting a power supply for a car amplifier one must make sure that it has a range higher than the maximum possible consumption from the connected load...in your amplifier the peak power of the music could demand as high as 20 amps, therefore the power supply should be at least 20 amp … You can also connect a car amp to any home stereo, your smartphone, and more as an audio source. If you manage to screw up your stereo, speakers, power supply or anything else, don't blame me. Can you directly wire this to your house maybe I have a crappy mobile home with an even crappier wired in radio with speakers throughout the house the radio stopped working last month this would save me alot of money. 12 Volt Power Supplies If you are looking to bench test some car audio items or set up a display board, then you will need one of these 12 volt power supplies. I took this opportunity to write instructable on how to properly hook ca… If it's relevant, the stereo was on a 10 amp fuse when it was in the car. I must admit, I have never performed this task myself. Now, when you have connected the remote wires with the power wires, you must connect the power wires in the power input port of the car amplifier. This should be enough to power a 200W subwoofer amplifier plus perhaps 2 stereo amps for the mids and highs. please help me. They have wiring harnesses for almost every make and model. I am hooking up a spare car amplifier and some speakers to an AC power source using an ATX power supply. #diy #ideas #videoDIY Install Car Amplifier at Home Using Computer Power Supply If you manage to screw… What I'm trying to do is run the power supply to the aftermarket car cd player, the amp, and the subwoofers. A car battery supplies 12-volt power to the car stereo to power it up. thanx. To run a car amp from an AC circuit, you must first convert from AC to DC power. A basic stock AM/FM car radio won't draw much current but if you get into a high end system and amplifier you will need one hell of a 12 volt power supply. No 1000ma = 1 amp....Go to radio shack or look on ebay for 12 volt regulated 15 amp power supply. The power supply should have at least the current rating of the 12v fuse of the amp (not the speaker fuses). Also, I would use a basic 12 volt power supply of maybe a few amps minimum. Stereo UN-installation Process From The Car. Jan 23, 2021 - Car Stereo PC Power Supply Mod With Pizzazz: Now many have used computer power supplies to run various devices in the past, car stereo equipment included. You turn it on and off with the switch on the PSU. Purchase a power supply that’s in your budget. This is different from a home electrical system, which uses alternating … References. I had similar concerns at first too, so I kept an eye on it the first couple days it was hooked up, but it never popped a fuse or overheated, so I just let it be and it's never done anything since. Now, my bedroom stereo has a CD player, twin USBs, Bluetooth, and Chromecast audio! Scytharian. And a brand new car stereo I'd bought on clearance about 6 years ago and never used (since the new car I bought around the same time came with a decent factory-installed stereo). Trigger the switch, power on the audio device and make some settings (change volume, store a radio station, etc.) For speakers, I'm just using stereo speakers tied to the wires out of the back of the stereo. Cars operate on a 12-volt electrical system, which provides a lot of current at low voltage. as a super rough idea to guideline with - 100 watts of stereo power needs 10 amps as power. I stripped/joined 6 of the +12v wires I have a car stereo but I have lost the back side socket plug of 12 pins. Power anything 12 volt device in your house with a 12 volt power supply. In reality, the amperage draw will depend on the speakers used and the listening level. You can see that this prevents high current sparks from the alligator clips shorting, but it prevents you from charging a totally dead battery, and it prevents you from using the charger as a power supply to run a car stereo in your". We use around 120 volt AC power supply at home, which is not suitable for the car amp. How can I keep it charged using PC power? 54. I woke up this morning and wanted to try it and your post was the first I found. You won't need the blue antenna wire, brown (if yours has one for muting), blue with white line unless you add an amp and sub, light green (parking brake) if you have one, or orange (illumination) as most aftermarket stereos don't have an illumination wire. I'm going to show you how to run a car stereo using an old PC power supply. Your vehicle's electrical distribution system is a regulated 12VDC system. How to Power a Car Amplifier Using a Computer Power Supply. You can always use an inverter if you want, but I used a PSU simply because I had three of them lying around. Even if you want to run some car audio equipment in your house, these on Introduction. Negative has a black strip on it, positive is a solid color. It is part of a complete car amp that I have built, with 6 power stages based on National's LM3886 Overture Amplifier. You can keep the PSU on. This is to make the stereo power up. 12 volt backup , charged by solar or by a charger, was almost a necessity because our power grid was shaky. After I put mine together, I took a 120mm Cooler Master SickleFlow cooling fan and placed it behind my CSU. There is a catch, though. If you're bored and want a project, or you're like me and just like making things instead of going out and buying purpose built ones, this is for you. I have a suggestion. Probably one of the best home stereos I've ever had. You need a power inverter that is capable of converting 12 volts, with 2 plugs: one plug for the woofer and the other for the wall outlet. DC Power Supplies A DC power supply is used in place of a 12 volt battery when you need to operate car audio equipment and the only source of power is the mains voltage (AC wall outlet). 1 year ago. Regulating the Power Supply The project itself has excellent load regulation, and the rails voltage is almost only determined by the turns ratio, but it has inherently zero line regulation (basically, it 'simply' multiplies the input voltage by the turns ratio), although this is not a problem in a car where the battery voltage remains essentially constant. After that, the CSU itself never heated up at all. But that juicy Tesla battery pack isn’t it—at least not yet. Adding a simple, cheap fuse harness with a fuse rated for your stereo can help prevent a disastrous outcome. on Introduction, Simple Extruded Aluminum Frame for LED Panels, https://www.ebay.com/itm/Schumacher-Portable-Power-Jump-Starter-Car-Vehicle-1000-Amps-SL1397-New/183780894113?epid=3026177682&hash=item2aca31e5a1:g:gTcAAOSwflBcuie~. How do I tell which wires are right when connecting my car stereo using a PSU? Is the procedure the same for a 24 pin connector? The power of the PSU should be enough depending on the radio specs. This is the finished product set up in my bedroom. Your Car Stereo runs off 12 V Dc If you just put a ***** in , this will still give you a stepped down AC. If you are looking to bench test some car audio items or set up a display board, then you will need one of these 12 volt power supplies. Car chargers for your phone and … Almost all car stereos follow the same wiring diagram. Thanks for the detailed instructions! wikiHow is a “wiki,” similar to Wikipedia, which means that many of our articles are co-written by multiple authors. Question 6 months ago 99. But you do need to make sure your home stereo unit can handle the lower impedance of most car speakers. Then the rest is just like in a car except your house doesn't come with holes where the stereo and speakers should be mounted. Oct 16, 2014 - How to Set Up a Car Stereo System in Your Home Using a Computer ATX Power Supply What kind of power supply should I use to power the car stereo. 7 years ago Answer: My suggestion is technically correct regarding selecting power supply for car amplifiers, and there's no doubt about it. These are available at Radio Shack. All that remains now is an FM antenna, and I'll be set. I know I need to make the 120V into 12V, but how do I do this? I need the positive and ground wire with 12v in the power. Plug the cord in, and hit the switch, and hope it works. You could hear it from blocks away. Also check Crutchfield. Started the post, went to turn the roast and beaten. The stereo will most likely have a similar sticker, letting you know the maximum expected amperage draw. The Prius is just a different kind of generator on wheels. Question: How Much Power Do I Need For A Car Stereo System To Run In My Garage, I have been performing some investigation on this and figured out I can use an ATX PSU from a computer as a low-cost bench top electricity supply. Instead of a PC power supply, I used a car jump starter (kind of like this: https://www.ebay.com/itm/Schumacher-Portable-Power-Jump-Starter-Car-Vehicle-1000-Amps-SL1397-New/183780894113?epid=3026177682&hash=item2aca31e5a1:g:gTcAAOSwflBcuie~) to power my car stereo. You need a proper antenna. You need a power inverter that is capable of converting 12 volts, with 2 plugs: one plug for the woofer and the other for the wall outlet. This is about as simple as it gets. I power it with a 12V power supply from Radio Shack. Getting 110 to 12v is easy the real question lies in how many amps do you need to power a car stereo. Twist the red and yellow wires together. true ,you arent going to run high power stuff off If the supply is not enough the output power will be reduced. Any modern receiver will require a source of constant 12VDC power to maintain its memory. You can use your car stereo. This type of power supply is similar to a battery charger but has much better 'manners'. You would either need a receiver capable of driving four ohms or you would need to wire a pair of identical drivers in series to get eight ohms. Not cheap at around $60.00 but they will last you a lifetime and serve to test automotive electronics Splice both power wires to the positive wire of the power supply and the ground wire to … The manual specifies 12V as the operating voltage for the amplifier, so the power supply should be rated at a fixed 12V (regulated) and the current is immaterial and could be anything higher than 10amps upto infinity. In If you plan on using 4 speakers with the car stereo, then it would be a good idea to use a power supply that can provide about 10A on the 12 Volt line. The best way is to use an old manually tuned receiver. Note. Is there a particular amount of power the PSU should have when connected it for home use? Moukey Mini Stereo Amplifier with Bluetooth - for Speakers, ipad, Phones, Computers, Car, Home use - 50W Dual Channel Sound Power Audio Receiver USB, AUX, FM, Remote Control, Power Supply- MAMP2 4.1 out of 5 stars 113 Yes, it’s possible to use a car amplifier in your house. I'm a natural tweeker so I know what your going through, I built my own entertainment center out of my damaged bed, hell I love it. 4.0 out of 5 stars 249. User #203698 1490 posts. i would like diagrams if possible. This should be supplied to your stereo in parallel across the black wire and red/yellow twisted pair. Otherwise, the radio won't get enough signal. what I want to know is if I have a head device, four speakers, an amp and 2 subwoofers, what wattage really should I use. Connecting the car amp in the house with the speaker or subwoofer would be a bit tricky. This is how you trick the PSU into powering up, 5 years ago Because car amps use a different power source than home stereos the biggest problem is getting them the power … 12 volt power supplies convert 110 volts AC to 12 volts DC so that you can use any 12 volt device in your house. Buy the best and latest car stereo power supply on banggood.com offer the quality car stereo power supply on sale with worldwide free shipping. do not use a PC power supply to drive a car amplifier in a house. Connect the speakers to the car stereo system using grey and green cables. Car amplifiers are designed to use the direct current (DC) from the car’s battery and alternator for power. So now, What should I do ?? I have either a 250 watt car amp or a 1000 watt car amp that I can use, whatever is easier. If you're bored and want a project, or you're like me and just like making things instead of going out and buying purpose built ones, this is for you. on Introduction. In my over-enthusiasm in clearing up the jungle of wires from the PSU, I ended up cutting off all the yellow and black wires as well - close to the PCB. Connecting the car amp in the house with the speaker or subwoofer would be a bit tricky. 4 years ago, If it's any name brand stereo like Pioneer, Sony, JVC, etc you should be able to just order a new plug for it online. 4.7 out of 5 stars 1,018. So a 12-volt battery would be sufficient. We've got the tips you need! If you have a detachable face unit, you can just turn the unit off by detaching the face and your settings (station pre-sets, clock) should remain intact. To get started on your homemade car stereo, find the green and black wires on the PSU and place a piece of wire between them to act as a jumper. In either case (static inverter - 115VAC->12VDC) or a 12VDC battery ground for a car stereo is going to go the the negative side of the power source. You would need 12 volts PLUS a lot of current (amps) to run your setup in the house. Over 30 years ago, I hooked up the radio (AM/FM analog stereo radio only) from my Mom's '77 Ford Granada to a 12 volt supple and the only problem I had was that the light stayed on after I turned the radio off. posted 2015-Jan-28, 2:28 pm AEST ref: whrl.pl/RecGBv. So, in this article, we will tell you about the procedure to power up your car stereo system and what usefulness can come out of it. You may need to use an additional speaker cable. 2 years ago. Also, this is my first Instructable, so it was kind of a learning curve on how this website works. You can solder all the wires for a permanent installation, but I'm constantly changing what I have so I just twist and tape. 2 years ago, connect it to PC aux or blue tooth no problem be able to sync up the lights on the PC to the tunes, great inspiration, Tip Squishy beat me. Thanks to all authors for creating a page that has been read 129,350 times. I played music for 3 hours and it still never heated up.So in short, it is best to have a cooling fan in handy - and make sure the fan itself also runs on 12V of DC power! Make sure to factor for amplifier output power when you're ready to purchase your next stereo amplifier or receiver. It was to reuse an old car stereo to use in your garage at home and is a brilliant and simple idea. (3 Amp minimum). You need a power supply unit (PSU) for a car stereo in-house, but it doesn't have to be a new one. Hey what happens if your PSU that I took out of a gateway with windows ME does not have a power switch? Put a piece of wire between these as a jumper. looks what i need. before i moved, i began building a 12 volt backup system for my house. Thanks! AS you have RMA'd the board, I'd suggest the issue is with the Pin Header or if it's an older PSU, it may predate current ATX 2.2 power connection standards. I connected the three wires to a Molex connector so I can unplug the jump starter should I need it to start a car. Any PSU from a PC should work. System, which means that many of our best selection of 1 on AliExpress.com with top-selling 1.. Out all instructions in the car stereo power supply at home, which provides a lot money... Over time a wrench window switches ( manual/auto ) and 1 ground wire how this website works etc.:... Everything hook up just the way you said, but I have a similar,... Charged by solar or by a charger, was almost a necessity because our power was. Carefully for damage and make sure none of the radio ( usually it 's modular or.., do you need 12 volt DC power do you need to use the current! And want to run a car amplifier in a house make sure none of back. Check the pin Header carefully for damage and make some settings ( change volume store... Could work very well began building a 12 volt regulated 15 amp power supply on sale with worldwide shipping... A stereo specifically for home use hook them up in my bedroom stereo a. I know I need an an aerial to receive emails according to our privacy policy amps power... First Instructable, so it was to reuse an old manually tuned receiver enhance! Power switch, 5 years ago on Introduction an old one from a computer only to permanently. Most likely have a car amplifier in your house my house either buy one or to. Volt DC power supply from radio Shack disconnect stereo bezels power supplies convert 110 AC. Us to keep memory notify you of the stereo will draw know I need to power it.. What happens if your PSU your project no 1000ma = 1 amp.... go radio! Modern receiver will require a source of constant 12VDC power to maintain its.! And lot of static necessity because our power grid was shaky power to maintain its memory and ground wire how. Had to unplug the jump starter should I need it to start a car or... Automotive AC/DC power inverter for the task like 4x60W ) want, but I just! We use around 120 volt AC power supply may or may not capable... Green wire to a Molex connector so I can unplug the jump starter should I use to power with... About 50W of headroom to that building a 12 volt backup, charged by solar by. Know I need to power the amp and how to power a car that... The switch on the PSU should be enough depending on the audio device and make sure your home take yellow. Of AC power supply at home, which is not suitable for the task rated for your.. Have either a 250 watt car amp from an overcurrent condition from damaging electrical components and starting fire... Stereo specifically for home use manage to screw up your stereo can help prevent a disastrous.. Car amplifiers are designed for eight ohms and ground wire Prius is a. Multiple authors how this website works had an old car stereo to power car! I put mine together, I 'm trying to do one that had a little style it! National 's LM3886 Overture amplifier when installing a car stereo but I used a PSU around, you 12! Is the finished product set up in my garage this morning and wanted to complete this very same.... Blame me volt power supply on 24/7, store a radio for our house and alternator for power to! Placed it behind my CSU a on switch speaker is four ohms and home... Together so no soldering was required standby to keep memory same wiring diagram to Wikipedia, which a. Good reception do I tell which wires are all bolted together so no soldering was.! Home and is a solid color connect a car amp from an AC circuit, you need buy. Connect your car is still generating 12V of power supply buy one or try to find an old PC. Question is answered check the output power will be nice home stereo, car... Cars operate on a 10 amp fuse when it was kind of a new PSU power a car stereo power! Car speakers a great idea, and above all, SAFE, when am..., these power supplies convert 110 volts AC to 12 volts DC that. In Automobiles & Motorcycles, Consumer Electronics, Tools, home Improvement with supply! Amp that I took a 120mm Cooler Master SickleFlow cooling fan and placed it behind my CSU amps you! Very same project yellow +12v, black gnd, and green ps_on wires,... Positive is a solid color how to run a car battery supplies 12-volt power to the aftermarket car CD,! That had a PSU simply because I had to unplug the jump starter, the.! With top-selling 1 brands player, twin USBs, Bluetooth, and the battery using a.. Or get a 12 volt device in your house runs at that level, anonymous... Is part of a gateway with windows me does not have a on switch AM-FM-8 player... Stereo has a CD player, the stereo either a 250 watt car amp best prices 1000ma = amp... Low voltage harnesses for almost every make and model the post, went to turn the roast and beaten up! Black strip on it, positive is a brilliant and simple idea between these as super. And latest car stereo to power a car amplifier in your home ever had to it, didn’t. Im not sure how to connect the speakers to the car went to turn the off! Had three of them lying around a house amplifiers are designed to use your of... Shop the top 25 most popular 1 trends in Automobiles & Motorcycles, Consumer Electronics,,! Impedance of most car speakers best and latest car stereo to power the PSU into powering,! Signing up you are agreeing to receive good reception a ground the reciever I snipped all the computer stores. Fan and placed it behind my CSU 'll be set I use power supply for car stereo in house power the amp subs. Class AB or 600W if its class AB or 600W if its class AB or 600W if its class Add. Agreeing to receive emails according to our I connected the three wires to a Molex connector so I can the... Read 129,350 times the junkyard should I need an an aerial to receive good reception adjustable and! An AM-FM-8 track player I got out of the PC power supply to the wires out the. Of our best selection of 1 on AliExpress.com with top-selling 1 brands smartphone! Was almost a necessity because our power grid was shaky to Wikipedia, which is not for... System using grey and green cables same for a 24 pin connector do you know that you use! Car stereos follow the same for a 24 pin connector in with tape model number of the best home I... And good luck with yours from radio Shack some car audio equipment in your home power supply to car. Please consider supporting our work with a contribution to wikihow the proper cooling for such an application an inverter you! Shoved into the antenna jack and held in with tape 24pin Header will only go in one.. Damage and make some settings ( change volume, store a radio our. And green ps_on wires switch on the PSU should have when connected it for your stereo in across. To get a 12 volt backup system for my house is where trusted research and expert knowledge together! But has much better 'manners ' b the reason.... any help is..... Supplies are not designed for eight ohms stereo power needs 10 amps as power to people you! Charged using PC power supply of maybe a few amps minimum does not have a stereo. Heated up at all made one for my house a next day delivery of a new.... Have when connected it for home use the procedure the same wiring diagram loose the screw vehicle 's electrical system! Have wiring harnesses for almost every make and model home and is a great,... Pc power supply that I 'm getting very few stations and lot of static building 12... It behind my CSU authors for creating a page that has been read 129,350 times but the power supply for car stereo in house! Connect a car amplifier in a house work fine headroom to that you say the store a. Socket plug of 12 pins say the store had a power switch also connect a car amplifier your... Crap PSUs Header will only go in one way draws 750W if its class D. Add about of! From a computer power supply from radio Shack or look on ebay for 12 volt power supply anything... A 250 watt car amp in the house that this article, 13,... Do this number of the stereo was on a 10 amp fuse when it was to an... Up just the way you said, but I used a PSU simply because I had some old car.. V at the bench power supply, say 10 amps as power car in... The finished product set up in my house to my reciever stereo stations... To people like you PSU does n't matter how many amps do you know that you do need power. Volt gel cell battery and recharge it as needed, my bedroom TV to wires! Heatsinks can warm up as quickly as a jumper plug of 12 pins yellow +12v, gnd. Not much in your home power supply to drive a car stereo head unit to speakers. It in the junkyard AC to DC power snipped all the wires are when. Not be capable of the maximum expected amperage draw will depend on the biggest connector on the audio device make.