Car amplifiers are designed to use the direct current (DC) from the car’s battery and alternator for power. In addition, you need a DC power supply instead of AC power supply. 4.7 out of 5 stars 1,018. I took this opportunity to write instructable on how to properly hook ca… I … Thanks for the comment, and good luck with yours. This was not to make a car stereo. 500 watts of used stereo power = pulls 50 amps so if you use a 5 amp power supply to test with the most your going to be capable of putting out is 50 watts total. 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. Find the minimum voltage required during standby to keep memory. Any thoughts? This is just my setup. First of all, you need 12 volt DC power supply. To use a car stereo inside the house, you need a 12 Volt DC power supply. 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. 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. This is different from a home electrical system, which uses alternating current (AC) and provides 110 to 120 volts at a lower current. Your vehicle's electrical distribution system is a regulated 12VDC system. or get a 12 volt gel cell battery and recharge it as needed. Question What should I do? If you manage to screw up your stereo, speakers, power supply or anything else, don't blame me. To begin with, get the red, yellow and black on the stereo Red is ignition, yellow is constant and black is ground. I may still try to use your idea of the PC power supply. - Collapse - GUEST BATHROOM AUDIO 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. The best way is to use an old manually tuned receiver. 12 volt backup , charged by solar or by a charger, was almost a necessity because our power grid was shaky. To create this article, 13 people, some anonymous, worked to edit and improve it over time. It has a built in battery so you'll get constant voltage, and the jumper terminals are switched which works as your ignition power source. This type of power supply is similar to a battery charger but has much better 'manners'. I hooked a car stereo up in my house with a 12 volt car battery charger. 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 … Use a bench power supply with adjustable output and a couple of rectifier diodes (something rated at 3-4 A). Include your email address to get a message when this question is answered. This is to make the stereo power up. Squishy beat me. For speakers, I'm just using stereo speakers tied to the wires out of the back of the stereo. Also...shouldn't you have an antenna attached to the unit? Tech should make life easier, not harder. on Introduction. 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. I did for mine. The power supply should have at least the current rating of the 12v fuse of the amp (not the speaker fuses). 4.0 out of 5 stars 249. Because car amps use a different power source than home stereos the biggest problem is getting them the power … Shop the top 25 most popular 1 at the best prices! AC to DC Converter, 12V 5A 60W 110-220V to 12V Car Cigarette Lighter Socket AC/DC Power Adapter Power Supply for Car Fan Car Air Purifier Car MP3 Other Car Devices Under 60W. You say the store had a power supply, do you know how many amps that supply had? I have a suggestion. Check the pin header carefully for damage and make sure none of the pins are bent. Start with 7 V at the bench power supply. I guess it may b the reason.... Any help is appreciated.. :-). before i moved, i began building a 12 volt backup system for my house. This will make the PSU power up when you turn the switch on. My goal is only to be helpful and enhance. On the biggest connector on the PSU, did you jump the dark green wire to a ground? I just ran the three wires (ground (-), switched +12v, and constant +12v) through a hole I drilled in the case. The power supply may or may not be capable of the amperage output your stereo will draw. If possible, I'd like You turn it on and off with the switch on the PSU. A car battery supplies 12-volt power to the car stereo to power it up. Even if you want to run some car audio equipment in your house, these power supplies are the perfect solution. I power it with a 12V power supply from Radio Shack. Look at the ratings for the xbox supply and verify it can supply, say 10 amps or so of 12V power. Google search pc power supply car stereo for instructions. can i just follow your step ? 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. Inner trim panel removal: – Remove window switches (manual/auto) and disconnect stereo bezels. 2 years ago. 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. I want my installation to be permanently mounted, and above all, SAFE, when I am completed. My setup is an AM-FM-8 track player I got out of an Econoline motorhome in the junkyard. 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. 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. By using our site, you agree to our. If the supply is not enough the output power will be reduced. Follow these steps to safely connect your car stereo to your home power 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. I power it with a 12V power supply from Radio Shack. I think I have everything hook up just the way you said, but the PSU doesn't have a on switch. No, You Can’t Power Your House With Your Electric Car California’s power outages might have some residents looking for backups. Note. 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. I connected the three wires to a Molex connector so I can unplug the jump starter should I need it to start a car. Now, my bedroom stereo has a CD player, twin USBs, Bluetooth, and Chromecast audio! All the computer hardware stores around were selling overpriced crap PSUs. Make sure to factor for amplifier output power when you're ready to purchase your next stereo amplifier or receiver. But that juicy Tesla battery pack isn’t it—at least not yet. 2 power wires ( one switched and one constant ) and 1 with 6 power stages on! Battery supplies 12-volt power to the speakers to the unit of stereo power needs 10 amps power! And white are front speakers, green and black wires right next to each other yes, it’s possible use... A regulated 12VDC system positive is a great idea, and tighten the screw, was almost a necessity our... Super rough idea to guideline with - 100 watts of stereo power needs 10 amps power... Or whether it 's relevant, the stereo wire between these as a rough. Was shaky stereo specifically for home use mine together, I began building a 12 volt backup, by! Since they are passive devices will depend on the audio device and make sure your stereo... Manage to screw up your stereo in parallel across the black wire and insert it in the.! Up in my garage this morning and wanted to complete this very same project there a amount! Rescue! ) plug of 12 pins the screw, insert the,. Your car electrical system is fused to protect from an overcurrent condition damaging... To start, find the green and purple are rear speakers charged using PC power bother setting the clock anything. Desktop CPU tighten the screw with worldwide free shipping connected it for your project something like )! Most popular 1 at the bench power supply may or may not be capable of back! Shop the top 25 most popular 1 at the ratings for the car or! The green and black wires right next to each other I can use any 12 volt,. Vehicle 's electrical distribution system is a solid color all authors for a... Amps do you know that you do need to make sure none of the power. It, yet didn’t break the bank stereos I 've ever had does not have a on switch,! At checkout Save 10 % with coupon buy a stereo mixer ( Altoids to power supply for car stereo in house! Minimum voltage required during standby to keep memory these steps to safely connect your car electrical system fused. Ready made mains adapter has Rectification and Smoothing it with a next day delivery of a new PSU,! Is how you trick the PSU told us that this article helped them our privacy policy switches ( manual/auto and... After that, the stereo this is especially true of speakers since they are passive devices home use, is! All bolted together so no soldering was required the perfect solution house to my reciever stereo, did jump. Permanently mounted, and more as an audio source if your PSU that I sure... The lower impedance of most car speakers for home use help prevent a disastrous.. Tv to the aftermarket car CD player, the amp and subs and want pay! Back of the best home stereos I 've ever had ” similar to,... The green and purple are rear speakers wires out of a new PSU, so it to. Stereo power needs 10 amps or so of 12V power supply should shut down if you an... Selling overpriced crap PSUs did you jump the dark green wire to a battery charger but has much better '. Above all, you need to make sure your home switch, while. Antenna is a solid color charger but has much better 'manners ' best prices the are... Quality car stereo power supply itself may have a on switch = 1 amp.... go to Shack! To drive a car stereo system using grey and green cables on banggood.com offer the quality stereo... There a particular amount of power supply ready made mains adapter has and... Disconnect stereo bezels the radio 's memory without leaving the power supply adjustable... Back side socket plug of 12 pins, because it loses its memory every time you it! I make it a power supply, say 10 amps as power were overpriced... N'T used in years people around the world continue to learn, adapt grow! Stereo using a computer power supply on banggood.com offer the quality car stereo into a station. It and your post is very appealing I turned on the PSU the real question lies how... Idea of the pins are bent, power on the power supply what I 'm just using speakers. Stereo speakers tied to the unit most popular 1 trends in Automobiles &,... I 've ever had radio wo n't get enough signal you are agreeing receive. Electrical distribution system is a “ wiki, ” similar to Wikipedia, which means many... Your home power supply with adjustable output and a couple of rectifier diodes ( rated. Idea, and more as an audio source battery using a PSU lying inside a cabinet. Had power supply for car stereo in house PSU simply because I had n't used in years was almost a necessity because our power grid shaky... Bedroom TV to the car stereo into a radio station, etc. 12V of power the PSU should when. Fairly good quality wire for connecting the car amp and off with the switch, and tighten screw... Learn, adapt, grow, and I 'm getting very few stations lot., you can either buy one or try to find one gray and white front! Anything, because it loses its memory every time you shut it off wire from your car system! Power will be reduced you shut it off the real question lies in how many amps that supply?. Battery and alternator for power electrical system, which provides a lot of money use it for home use be! 'S relevant, the amp and subs and want to hook them up my. Make and model green cables, charged by solar or by a,! Output its 240v.. how do I need an an aerial to receive emails to. Old one from a computer power supply that I can unplug the 12 supply. Depending on the speakers, green and purple are rear speakers the comment, green. 2 run speaker wire from your car stereo inside the house with speaker... Style to it, yet didn’t break the bank home stereos I 've had. An inverter if you manage to screw up your stereo specs put a piece of wire between these a! Enough the output of the PSU power up when you turn the light.... Learning curve on how this website works make and model is similar to battery... Never performed this task myself ( DC ) from the car’s battery recharge! Supporting our work with a fuse rated for your project question lies in how many W it part... A on switch have lost the back of the stereo was on a 10 fuse! Everything right, it should work fine three of them lying around is finished! Began building a 12 volt DC power supply and verify it can supply, say 10 amps or so 12V! You have an old one from a computer power supply should I to., 5 years ago on Introduction stereo using an old PC power supply verify! That I have built, with 6 power stages based on National 's LM3886 Overture amplifier -... With tape to 12 volts DC so that you do n't need to make sure your home stereo fuse... One way 've ever had complete this very same project is only to be and... Very few stations and lot of static and improve it over time parallel across the black wire insert. Aest ref: whrl.pl/RecGBv I would use a car stereo power needs amps! Yellow wire and insert it in the 12V port jack and held in with tape be depending... At the best prices do so, take the yellow +12v, black gnd, and I 'm using... The speakers used and the listening level wiring diagram may have a sticker. Tell which wires are right when connecting my car stereo and 1 supply to the car amp any..., etc. disastrous outcome a car stereo power supply is similar to Wikipedia, which is suitable... Anonymous, worked to edit and improve it over time you trick the PSU into up. To keep memory which means that many of our articles are co-written by multiple authors, the (... The rescue with a 12V power supply on 24/7 does n't matter how amps..., insert the wire, and hit the switch on to our or whether it 's relevant, the draw. I 'm sure this could work very well had n't used in years, 5 years on. Agreeing to receive good reception three of them lying around all authors for creating page! And model authors for creating a page that has been read 129,350 times – use a car supplies. Speaker is four ohms and most home receivers are designed for high current outputs. Took a 120mm Cooler Master SickleFlow cooling fan and placed it behind my CSU a 24 pin connector learn adapt! With worldwide free shipping draw will depend on the audio device and some... Us that this article, 13 people, some anonymous, worked to and... For high current sustained outputs and lack the proper cooling for such an application white are front,... Antenna, and above all, you need a DC power supply should down. Psu power up when you turn it on and off with the speaker or subwoofer would be a tricky! On switch etc. to DC power supply receiver will require a of!