A voltage regulator that drops the voltage from 12-5v installed on the power out line from the radio will solve this problem. The only way to stop the sound is to pop the circuit breaker for the radio. Whenever I roll a window down, my sub makes a clicking noise right when I press and lift off of the button. This can make it difficult to hear your music over the engine noise. For an amplifier to work properly it requires the use of capacitors to enhance the amps power. Sometimes the hum is audible; other times, it requires careful attention. Disconnect the amp from the PC and then turn it on.. I then turned the power to "Off" instead of "Auto", and now I hear rattling (1-2 seconds) every 5-10 minutes. -- Had them wire it to the factory speakers (factory amp that leads to factory 8 sub).It looks great, sounds great, and overall I love it.However, the sub 'pops' when you turn the car off. Active Subwoofer An active subwoofer might also result in a loud thumping sound. Randomly, when the receiver is off, the subwoofer will make a fairly loud pop. First, find out if your car radio can turn on when the car is fully turned off with no key in the ignition. make sure ur ground is in a safe place, shorter than 2ft and not mingled with rca's 2. make sure ur rca's arent pinched or around the ground 3. could be your deck. A poorly integrated sub-woofer will sound thick, heavy, boomy, and unnatural, calling attention to the fact that you have smaller speakers reproducing the frequency spectrum from the lower midrange up, and a big subwoofer putting out low bass. Check car engine noises. Sometimes, particularly when connecting head units to amplifiers via the speaker outputs, a loud pop or thud will come from the speakers when the system is turned on or off. I put a Pioneer TSW-3002d4 in a ported box (completely untypical - normally go with sealed for the sound quality, but I wanted to try something different), a Hifonics Brutus BRZ1200.1D (I know the sub is rated at 1000rms, but I also know it can run safely at a small amount lower or significantly higher and I was worried about dimming headlights . You can use a smartphone, tablet, music player, a TV, and so on. It is a really loud deep sound that gradually gets louder. sometimes you'll get 8. As of Sep. 2020, no. Radio keeps receiving power There are several causes, including faulty equipment, but the most common one is due to a DC offset in the output on the head unit taking time to stabilise. When the subwoofer crackles in your home theater system, you hear the wires go in and out of their terminal. It's now occurring so frequently (and sometimes in the middle of the night) that I've just totally turned it off. Afterward, switch your car off and listen for any noise. It's a great feature -- in my case it saves about 70 watts compared to the old powerstrip. Connect the speakers to another device and check. Lift the front of the seat cushion up and forward in order to unfasten the rear hooks that retain the seat cushion to the adjuster rail. This may relate to your other post about hearing the drive noise through you speakers. When the popping sound occurs, it is conceivable that the receiver or amplifier is providing an unclean signal to the subwoofer, creating the popping sound. If the noise is only coming through the radio, it is highly likely that antennae lead is the problem. My subwoofer makes this popping noise a few minutes after my receiver turns off. It sounds almost like someone is hitting a pillow against the wall. In this situation, the subwoofer may be delivering "pulses" within the audio stream for an unexplained cause, causing the problem. Today the speakers started buzzing and making the loud popping noise even with the radio off. For most cars if you ensure that you turn your radio off before turning the engine off this will fix the issue. subwoofer making rumbling noise. The noise is still there when the car is off and louder when on. 2. Also, when I have my head unit on the CD option, my subwoofer is constantly moving like a off beat heartbeat I guess . #1. (2) Induced Noise: Induced 60-Hertz noise is hum that comes into your audio system through contact or proximity to power circuits or cables. Sometimes it's only 1 thump. I've checked my ground, RCAs and all the other wires for loose connections but th. Finally, go back to a 'known' situation, hook the other sub up the same way and see if it happens. 1 Like Change the stereo ground location. #3. soundguruman : "every time the power goes out". It is more then likely engine noise. Whenever I turn my car on, my sub makes a "pop" sound and then the sound of the exhaust is mimicked by the subwoofer. I have a 2002 Ford Aerostar. To fix this, find the source of the pulse, the part on the subwoofer where vibration is most robust. Any read more A well-integrated subwoofer produces a seamless sound, no boomy thump, and natural timbre. Install a coaxial isolation transformer on that cable. Meanwhile, I decided to check all my fuses, wiring/ ground while my new amp was being shipped. When it happens it is usually right when I turn the car on, because I shut the radio off before I shut the car off. Install an Antenna Noise Suppressor First, check if there's noise on all possible sources such as USB, auxiliary, CD, AM, and FM. This ends up clipping the sound on every cycle. If the HU sends an electrical thump when you turn its power switch off, then the sub amp will just amplify it. Turn on the head unit and set it up again to hear the static noise well. As in a subwoofer making rattling noise, vibration can result from loose components, screws, hardware issues, or faulty electrical loop. Apr 7, 2019 #3 of 13 bigshot Senior HTF Member Joined Jan 30, 2008 Messages The reason for this problem is usually because of the electrical interference from the alternator. When you move the ignition to Acc. #16. xmb said: The first tiny click you hear is the relay coming on to turn the main power on. If it can turn on this means that there is power going to your radio at all times. Basically at various times running the system whether its changing radio stations or just listening to music I will hear a loud pop from the sub (changing stations or turning the system on/off) or . Might as well check the power to the amp too while your back there, and the fuses. Starter battery: XS Power D1200 (2 runs of Sky High 0AWG to rear batteries) Poor wiring Another potential reason behind your speakers making noise when the power is off is poor grounding. Leave the subwoofer plugged in and switched on. Mine does this too, after a lot of searching online and months of using my equipment, it seems like we'll be okay. Your stereo may be receiving power even when switched off Problems with electrical interference Issues with grounding Low-quality speaker wiring Noise from the engine New amplifier Patch cables picking up noise Radiated static noise One of the reasons the speaker could be making noise when the car is off is that the radio still has access to power. Reasons for Loud Noise or Buzz Subwoofer loud noise is caused by interrupting the electrical current or, in other words, a loose connection Some sort of energy is stored in the woofer or in the capacitors of the amplifier, which can be the cause of back-EMF When the circuit is cut, much like when you turn it OFF, you see a spark at the switch. However, when it is in its off mode, I experience popping every 3-5 minutes. Try unplugging the antennae lead and check whether the noise will disappear. If the sound originates on the radio, it's possible that it's coming through the antenna lead. Do this while your stereo is powered on to listen for any weird noises. What I meant by 'every time the power goes out' is a Blackout. 4. The speaker in the passenger side sliding door makes loud static noises even when the radio is turned off. So it still sounds like the speaker output relay is always active (stuck on). Popping, crackling noises from speakers. You are getting a dc pulse when the amp is turned on. Subwoofer pulsing with no sound may be caused by the internal wiring of the subwoofer. First off, hello all (my first post) My subwoofer on my Promedia 4.1 system is emitting a strange static. It looks like you're new here. This problem doesn't occur when the car is running; it only occurs when it is off. This could happen if your subwoofer gets powered by itself. October 2013 edited October 2013. Recently it has started making an occasional rumbling noise- initially I thought it was thunder. If your subwoofer (s) "thump" or "pop" when you are changing inputs on your receiver don't automatically blame the subwoofer. Car: 2011 Mazda 6. The amp in standby would account for your noise even with the radio turned off. When you experience popping sounds from a subwoofer at home, the result is almost always a wiring issue. some amps make subs thump, some hu's do it. From the back of the amplifiers, disconnect the speaker's cables. High volume will overdrive the speakers . my systems have never done that. The link doesn't consider the TV cable, but that's usually the main problem, as the cable ground is back at the service entrance, as is the AC power ground, and the total wire run between them can be a hundred feet or more, which will pick up a lot of noise. An isolation transformer on the cable is a must. After I start listening to music pretty loud for more than around 5-10minutes (or just normal level for long periods of time).when I turn my car off the sub makes a thump or popping noise. Found a bad in-line fuse, Duh! Press J to jump to the feed. I had a Pioneer Avic 900bt installed in my Expy by the "Pro's", and they had no clue. When everything is off (except the subwoofer), out of the blue, the unit begins to emit a series of thumping noises from the bottom, which resonate on the floor. If it still hums when there's nothing going in, your issue is probably with the sub, which needs repair or replacement. That's most likely the amplifier disconnecting when it realizes it has no signal coming from the receiver. At completely random times, the subwoofer will start to make thumping noises. So heres whats going on. When there is no signal, the subwoofer automatically switches itself off (as it should). Make sure all the wires are properly clipped into the connectors and plugged in tight. there will be a pop. In such cases, you gotta turn off the sub at first. Remove the two 10 mm nuts that retain the seat cushion to the adjuster rail. The best way to isolate this type of problem is to use a different audio source. When the amp is switched off, it automatically shuts off power to the other components. They'll usually come in bursts of 3-4 thumps (maybe 4-5 seconds apart), and then they'll stop for a random amount of time. It's quite a shock when the house jumps at 3:00 in the morning! Try unhooking the remote wire going into the LC6i and split it to run two leads (one for the LC6i and one for the amp) and see if the problem goes away. Make sure that the speaker wires are properly connected to both the speakers and audio device. With your engine off and keys removed, try turning the radio on. The noise is "alternator whine". But when the receiver is off and the subwoofer in on/stand. Does anyone know what can be done to fix this? If you can operate your radio even when the key if off the ignition, the only explanation is that the radio is still powered. Getting aftermarket speakers with inline filters might get rid of the issue but finding the exact cause would take some time. This 60-hertz hum is caused by being hooked into an alternating current wall outlet. My subwoofer keeps making bass noise at no volume at the head unit, it is sort of clippy. There are three different positions. unscrew ur ground. That's normal to get the "thump" when the input to the sub is turned off. Disconnect the connector from the power seat switch. ckeck your wiring sounds like a bad ground. The poor grounding allows the AC current made by the stator to leak into the sound system. Cut four pieces of 7/64 in rubber hose (vacuum line). Jun 4, 2017. If you do this, don't use the remote out from the LC6i to the amp because you won't need it at that point. Thankfully, this article will discuss the problems Ford Focus owners were having with their radios and any steps you can take if your car is affected. Turn off the audio device. My PSW111 Subwoofer has started making a "clicking" or "ticking" noise. If you are able to see the circuit board of the amp, you will see several devices attached to it that look like large C-cell batteries. If you do not notice the static when the antennae lead is off, get an antennae noise suppressor to eliminate it. V. Any ideas? PLEASE advise. If the static noise vanishes, only then can you try to install an antenna noise suppressor . Some subwoofers have a built-in amp which is why it gets powered and creates a loud noise if you shut off the amplifier. Subwoofer hum or buzz is a low-level noise that may be heard when a passive or powered subwoofer hum is switched on, whether it is playing or not. The Factory radio's put out 5v, the new one puts out 12v. A popping noise from the subwoofer indicates a power mismatch in the circuit. It sounds like something electrical is being switched on/off at a precise rate. #1 I have a subwoofer that pops when not receiving a signal. 4. could be remote wire. The popping noise occurs as the amplifier tries to produce more voltage than it can to meet the demands of the subwoofer. A power mismatch is not the only issue that causes a popping noise from the subwoofer. Dec 12, 2011. The subwoofer will only reproduce the signal sent to it from the AVR (Audio Video Receiver). NOTE: If you use a headphone jack, ensure to keep the volume low on that device. Hi, I've got a basic Tannoy subwoofer from (I think) the EFX 5.1 package. You must be under warranty so take it in. Only On-Line. I would simply turn off the power to the stereo, but this did not seem to alleviate anything. WHAT power? It is clicking constantly when power is on, and is very regular in frequency. To confirm it is not a grounding issue, the first thing to do is try the different jumper positions on the unit. The unit will ship in the "isolated . If nothing helps, disconnect all the audio cables from the subwoofer. Sometimes I'll hear it start to buzz or sound like static about 5 minutes before the pop happens. Welcome! About 6 months ago, it started popping when the system is off. Whenever the receiver loses the audio "codec" (signal) it should mute all of the pre-out jacks for a short period of time. However, there are recorded complaints from Focus owners about problems with the radio: Radio stopped working/Doesn't turn on. If the hum persists, install a line-level ground loop isolator on the subwoofer's line-level feed cable. Also part of the reason the amp is on all the time is the chimes and warning sounds as well as bluetooth phone come through it. Then after a delay of a one or two seconds there is a second click, usually a bit louder, which is when the output relays energise. If the radio can be switched on and plays, your stereo system is still receiving power from the battery when your car is off. It does so even when the AV cable is disconnected and the only cable running to it is the power cable. Mysterious Subwoofer Thumping Vato Posts: 2 May 2016 My new Polk Audio sub woofer seems to have a life of its own. I have this constant subwoofer thumping noise that I cannot get rid of. subwoofer makes pop noise? so it worked fine. Although when u turn it up it still makes good bass, but i can hear the sub between track changes. A simple solution can usually fix this engine noise problem. I've taken it apart thinking there might be something on the speaker, but it looks fine. rtgirard Check grounds on the chassis. tardis October 8, 2009, 3:06am #2 Fix/replace the radio. Remove your receiver connection from the car's dashboard. Try hitting the lock button on the remote is suppose to put everything to sleep. I'll hear a steady, very quiet noise for a few minutes, then it'll go quiet for a couple minutes, then BOOM! It does this whether connected to the Amp or not. Other reasons may be poor connection or damaged wiring due to physical damage. First I though my amp was blown (old American Pro 600W piece a junk) so I purchased another amp Soundstream Stealth STL1.1200D. To fix this, unplug the antenna. Som. Headunit: aftermarket android gps navigation stereo (similar to this) Alternator: 370a Singer alternator with Big 3 upgrade. In some vehicles, it is possible to listen to the stereo when the car is completely off, and this is one of the first things you should check. If the noise stops abruptly = issue may come from the speakers If the sound fades away = issue may come from the radio unit READ ALSO How To Quiet A Noisy Sump Pump In A Few Simple Steps This usually solves most hum problems. May 13, 2007 I had a subwoofer installed about 6 weeks ago and it sometimes makes noise even when the radio is off. Here are the potential reasons for the noise coming from your speakers. But when the subwoofer is shut off it makes a loud "wump" sound every time. Whether the volume is on "1" or "10" the noise is just as loud and startling. Press question mark to learn the rest of the keyboard shortcuts I am running a Kicker s12L7 dual 2ohm, with a coustic 600se amp (All running at 4ohm). Check your car battery or alternator. D dubuang Although not as consistent, the noise seems to intermittently come even if the car is turned off and the key is NOT in the ignition. In my experience with audio system in vehicles, it sounds like a ground issue. Behind the stereo will be anywhere from 10 to maybe 16 wires coming out of the stereo into a wire harness clip. I have disconnected the inputs and tried all of the power options (Auto/On/Standby . Tighten loose components, change bass frequency settings, or apply a sound deadener. Step 3; switch the AV receiver and the amplifier out. - Hey guys,..I just got an Alpine CDA-9886 installed in my 1994 LS 400 Lexus. Jan 30, 2011. Feb 23, 2015 Sounds like the remote out (GTO) isn't working properly. type noise that has been progressively getting worse/louder over time; Check your remote wire, as in check the voltage it is passing and then right when you turn off the car see what the voltage is at on the remote wire. The vibrations caused by the lower frequencies can jiggle out the connections, creating an interrupted circuit. BUY OFFICIAL team #pernurkka -fan clothing!EUROPE: http://shop.peranurkka.netSpanish: http://shop_se.peranurkka.netGermany: http://shop_de.peranurkka.netFin. sand off any corrosion or paint or anything that shouldnt be there. Most times this can be done and un-done (if it doesn't help) very easily. Answer (1 of 4): A sub-woofer has it's own internal amplifier. Conclusion 1. ground. turn down the sub volume FIRST. Midway through watching (of all things) a video on Youtube, the sub began making a rhythmic "heartbeat" sound. Try to play from a different source. Jul 6, 2008. The speakers on my 2014 Ford Focus make a buzzing and very loud popping noise then the radio goes off. Turn off any nearby electronic devices that may be interfering with the speaker sound. No, don't use a square wave UPS. The subwoofer works well when receiving a signal from the receiver. Probably a bad ground somewhere in the system that is causing noise from the engine to go through the electrical wiring. Do a quick test to work out if the radio unit itself is causing the noise. Tried it on multiple power outlets to rule out faulty power, and the behavior is the same at each. Appreciate any thoughts on what the problem may be and how to fix (if possible). This helps test the speakers. I just hooked up a new power strip to my home entertainment center. Typically a turn off pop is caused either by a grounding issue, or just for the simple fact that the amp needs to turn off before all the other equipment. It sou depends on the amp/sub/hu combo. Between the stereo and the first wire harness clip you will . If the grounding wire isn't fit correctly or if it isn't thick enough, your car speakers will make loud static noise when it is off. The radio is still receiving power. turn off the sub first. Move the speaker wires away from any electrical cords.
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