how to connect subwoofer to amplifier

Shown here are two examples of line level/RCA speaker level converters that work well for home receiver/amp to subwoofer use. If for some reason something isn’t quite working well together there could be an issue, but that shouldn’t be the case. I’m sorry, but I’m still not clear on specifically what type of connections you do (and don’t) have available. Right: An RCA Y adapter that can be used with a line level converter to connect to a subwoofer with a single RCA input jack. Some of The Best Types of Arpeggiator VST Plugins on The Market, Marine Speakers Vs. The room’s acoustic properties are also to be considered because you will get poor performance if you set up even a high-quality subwoofer in a room with poor acoustic properties. The subwoofer has a rca entrance ( – +) In my opinion, an active subwoofer is a type of amplifier, so it should work, but I prefer some advice :-) For example, you may see terms like “5.1” or “2.1” speaker systems or surround sound audio listed for movies. Before you complete this step, you need to install the fuse into … Note: please provide specific information like brand & model numbers, speaker ohms, and so forth so I can best help you. When you connect a subwoofer to a two-channel stereo, the AV receivers are in the duty of redirecting the bass of the sound and the low frequency sounds to the sub. The basic connection between a subwoofer and a stereo amplifier is really simple. A long time ago, when the sound cards were plug-in cards and not built into the motherboard, most sound cards had small amplifiers built in and could therefore drive passive speakers. I want to remove the old amp, keep the 12″ sub cone and box, then connect with wire either the LEFT pos/neg speaker input (or) RIGHT pos/neg speaker input to the outboard sub amp (XB150). To do so, just connect to the speaker outputs on the source unit using speaker wire and then to the matching inputs on the subwoofer. If you are fond of listening music , you must know How To Connect A Subwoofer To A Car Stereo Without An Amplifier.Infromative & easy process to follow. Suppose, you connect a subwoofer to an amplifier which is not in good condition. John. I don't know where did i connect my active subwoofer: How to connect Active Speakers and Actice Subwoofer to the PC? Just to buttress, if the receivers have output then get a pair of interconnects and pass them from the Preout into the subwoofer. Usually, this is a quarter-inch input hole, though some guitar amps also have speaker output jacks for Speakon cables or XLR cables. Is it okay to have wires out that go to two my main floor speakers and the subwoofer? Although we strongly recommend using only one subwoofer without amplifier in the front deck. Run speaker wires to join the subwoofer to the receiver. What You Need Besides, the mid-range frequency sounds are played from the speaker itself. The Overflow Blog Podcast 292: Goodbye to Flash, we’ll see you in Rust. Thank you so much! If necessary you can always send pics etc to my email address which you can find on my contact page. Because speaker level inputs have a very high input impedance (total input resistance), in most cases it won’t hurt to connect them to your receiver or amp at the same speaker wire terminals where speakers are already connected. To get started with the actual hook-up, you'll connect the subwoofer to the amplifier using the RCA cable. I’m very new to stereo systems and appreciate all the work you put into not only the article but the responses, as well. A powered subwoofer includes an amplifier already inside the subwoofer enclosure. But what if the subwoofer you bought didn’t come with an amp, did you just sink money into a device that is now useless? The great news is that there are several ways to connect a subwoofer to an old amplifier or vintage receiver. If you get no sound from it then it’s some other issue. If each speaker has an impedance of 8 ohms or more, then you can generally connect them in parallel. So it might seem intuitive to connect them as you would any power amplifier, with an interconnect to the preamp or DAC. I currently have both left and right connected to the left and right inputs of my subwoofer. Powered subwoofers usually have a few different inputs and controls. Yes, you can amplify subwoofer out signals with any amplifier as long as it has line level (RCA) inputs. If you're using passive subwoofers (raw drivers in cabinets), you do the same things below, just that when I say "feed the subwoofer," of course I mean feed the power amplifier you're using to drive that subwoofer. There’s nothing inherently wrong with a Class D amp for a subwoofer because they are high power and the usual drawbacks like high frequency distortion are unheard in the low notes of a sub anyway. I would like you to take you through the connecting steps first-. Connect the Power Cable to Battery. Marty. ... Connect the subwoofer to the amp with speaker wires if they are separate. Just as a side note, one thing to be aware of is that when you connect a subwoofer to an old amplifier or receiver you won’t be able to get the separate dedicated bass sound channel (.1 channel) like you can with a surround sound receiver. In other words, you probably won’t really miss it if you’re using an older receiver or amp. If you’d been subwoofers before, you might know that there are two modes of them- the sub mood and the speaker level mood. Connect the subwoofer output to the amplifier input. I know like i said buying an active sub would be best but just a random idea to maybe see if this works until I get the money to buy a sub eventually. Reply. If you have a Subwoofer-Out port on your AV receiver, and an LFE port on your subwoofer simply connect a subwoofer cable between each port (see Fig.A). Greetings, Jan (Netherlands). It can occur a serious accident. (If using stereo subs you will run one interconnect to each sub). Since the sub amp has both L pos/neg and R pos/neg speaker inputs I guess it shouldn’t matter which side I choose. They also have to be matched correctly to the impedance (Ohms rating) of the sub. Shown: What a receiver with a subwoofer output jack looks like as found on many newer receivers. I assume by “single output” you mean “input” for a powered subwoofer – is that right? I recently bought an amp and speakers as an upgrade. If so, how? Use the speaker wires that you disconnected from the rear speakers and connect them to the subwoofer on the terminals. Will that affect how my speakers perform? You can connect a passive subwoofer to an AV receiver by treating it as a loudspeaker and linking the subwoofer directly to your AV receiver via the speaker connectors. Locate the plug on your amplifier that is labeled Sub Out, LFE (low frequency effects) Out or Line Out [source: KEF ].This is the terminal used to connect the subwoofer to the amplifier. Turn the amplifier and the subwoofer so the backs are facing you. Passive (non-powered) subwoofers are simply a subwoofer speaker inside the bass enclosure which is directly wired to the speaker terminals or a passive bass crossover inside. How To Connect A Subwoofer To An Old Amplifier Or Vintage Receiver, Powered subwoofer inputs & controls to know, Diagram & examples: Connecting a subwoofer to an old amplifier or vintage receiver, Stereo vs surround sound receiver subwoofer output comparison, More articles with speakers, speaker wiring, and diagrams to help, PAC LP3-2 L.O.C. If each speaker has an impedance below 8 … These types are one of the most common and in many cases use an RCA type input jack to connect to the receiver for sound. You can get this connectivity in most the market’s model. The SCOSCHE LOC80 or PAC LP3-2 are two good choices (and affordable too). For example: You don’t have to worry if your amp is old, it is still very possible to use your subwoofer with it. Just place the speakers within the preferred area and established the speaker cable spool’s finish. You can even power speakers from the … If you’ve got a subwoofer with 1 or 2 RCA input jacks and no speaker level inputs, here’s a simple and high-quality way to connect it: by using a line level converter. To mount the subwoofer, line up the subwoofer’s screw holes along the diameter of the enclosure’s hole. Need direct help? 2. And fortunately, this article is all about that. Which power source takes control, the amp or the powered sub? Is it possible to connect a subwoofer to the system with this amplifier? Here, we’ll provide a full guideline with every detail explained about connecting a subwoofer to a stereo amplifier. I bought an old pioneer stereo amp in order to hook up some speakers I've had lying around my house though as its a 4. Thanks for this article! Using a receiver without that output means you can’t get the same effect, but that’s only for surround sound mode. • Does your receiver have a low-pass/”LFE” RCA jack? ), For sure I wouldn’t have recommended it if that wasn’t a safe thing to do. HOw To Connect A Subwoofer To An Old Amplifier The Ultimate SOluations. The subwoofer installed in your home audio system is a powered subwoofer which means that it has a built-in amplifier that delivers power for it to work. On the other hand, it might not even be a problem. You can also power it with an external amplifier and treat it as a powered subwoofer that connects to the pre-out. That’s because the input resistance (“impedance”) of a powered subwoofer is very high and shouldn’t cause an issue. You can effortlessly connect a subwoofer in a car without an amp and use it for a long time. If your amplifier has more than one set of speaker terminals there is a possibility it is a 2 channel amp and you would need to use the subwoofer wiring wizard to properly wire this amp. Hi there, ok if it’s not an active sub then I would test the sub with a test meter or even a 1.5V or 9V battery across the terminals to make sure it’s working. This lets you power the subwoofer with only a lower bass sound similar to how a powered subwoofer works. To do so, just connect to the speaker outputs on the source unit using speaker wire and then to the matching inputs on the subwoofer. You may need to shop around to do so. That’s just something to be aware of in case you’ve considered upgrading at some point. In this case, you can either connect the pre-out RCA jacks (both left and right) to the subwoofers RCA input jacks (both left and right), or run another set of speaker wires for both the left and right channels from the amplifier's speaker outputs to the subwoofer's speaker inputs. This is considered the easiest and the simplest connection since it can work with any amplifier or receiver which comes with a dedicated subwoofer output. I’m running all 4 speaker outputs from B speakers to Sub using converter? I'm a car audio fanatic and degreed electrical engineer. So, they don’t play that kind of sounds and listener actually gets used to ignore that. I was not particularly looking for a sub but after having one so long I kind of miss the sound. You may find the preamp output labeled as … Or connect to the terminals on the backs of your speakers if it is easier. Beneath the audio. For example, for an 8 ohm subwoofer, you’ll need to use a crossover designed for 8 ohm speakers. If the subwoofer's 'Line In' uses RCA cables (and if the subwoofer out on the receiver/amplifier also uses RCA), simply plug-in using an RCA cable. Unspool enough speaker wire to extend from the amp to the subwoofer’s inputs. If your subwoofer has a single RCA subwoofer input jack, you may want to pick up a “Y” RCA adapter to combine both receiver channels on the output side into a single mono RCA plug. explanations are most appreciated. Note that not all subwoofers offer speaker level inputs, meaning if yours doesn’t have them it’s a bit harder to connect the bass signal input. Next, look at the quality of amplifier it uses. One thing is worthy of note about vintage receivers. In most of the modern sterol amplifiers, there is a port that says Subwoofer Output. Sub is a Klipsch R-120SW run by a 1977 Pioneer SX 780, w A +B. (I could not find pictures or information about the SW-9050 so I’m not 100% clear what you’re dealing with in this case. Make sure the Amp correlates with subwoofers; this means wattage and rms matches with the subwoofers so you don't blow them out. If they aren’t in good condition then repair it before connecting them to avoid unexpected accidents. How to Connect a Mono Subwoofer. If you do not have a LFE connection on your subwoofer, you would more than likely have an L+R connection (Left and Right). Additionally, there’s a low-pass crossover built-in as well to produce great-sounding bass and no unpleasant parts of the music – just pure, low-end bass. Ok so my Passive sub was part of a 2.1 Laptop setup a while back. Hi Curtis. Sub has duel RCA’s only. Connect the subwoofer's power cable to a wall outlet and switch the unit on. Example of a powered subwoofer with 2 types of signal inputs (speaker level and RCA jacks) along with sound controls. Thank you so much for this great article. To convert speaker level outputs from your amplifier or receiver to RCA jack subwoofer outputs, you’ll connect the provided speaker wire connections (marked by colors and striped) just like you would regular speakers. :) A powered subwoofer does all the work, so there’s no power draw needed from your receiver. If the REC outputs are RCA line-level outputs it’s fine and won’t hurt anything. Any suggestions would be helpful. Hello! You’ll need to use a line level adapter as I showed in the article in order to do that. Play Unlimited Music, How to Setup a Home Theater System? Line level converters (also called RCA speaker level adapters) are small electronic devices that connect to speaker outputs from an amp or receiver and scale down the higher-voltage signal to a low level (“line level”). Speaker level is also known as high-level inputs. Gauge audio wire’s quantity needed to connect the speakers towards the power supply. Hello, I have a mint condition outboard DBX XB150 Subwoofer Power Amplifier. Even if you buy (or already own) a subwoofer without speaker level inputs, it’s ok – there’s another way to basically connect it essentially the same way! Infroghaphic Details. Don’t hook any cables up or do audio connections until you are finished reading this blog post. Yeah, find out how to connect a subwoofer to an old amplifier with results. Can is safely connect an active subwoofer via rca? Is This possible? Awesome, isn’t it? Yes, I don’t think should matter which side you use unless there’s something unusual about the design. Just imagine a clear-cut sound captured by an amplifier and played through a full-featured subwoofer. Example #1 in the diagram shows that (although you don’t have to have L & R speaker inputs – you can use a single speaker channel), Dear Marty, I own an older Marantz with no dedicated sub out, but it has a preamp out, to connect a power amplifier. Or only speaker outputs and no RCA output jacks? Or safe? Wires must be connected correctly on both the receiver or amplifier and speakers. Hi Richard I appreciate your feedback on my writing. Stereo receivers, pre-amps, and integrated amplifiers rarely have subwoofer output jacks or offer bass-management options. Compared to Sub with speaker outputs? Yes, you should be fine connecting it with the RCA output. Is it a single voice coil/8 ohm, or dual voice coil (DVC)/etc.? Most powered subwoofers should have RCA inputs also, for example). We’ve broken the How to Connect Series into Three … Else performance of the subwoofer get reduced, and you may not be happy with the sound quality. Then turn the subwoofer and the amplifier to bring the backs towards you. In most cases, a subwoofer input jack, if you had one on a receiver, is a “mono” (monaural, 2 stereo channels combined into one) signal you connect with a single RCA cable. I’ve got some other great info to help you learn more and get your system going: Please feel free to leave a comment or question below – I’d love to help, and it’s appreciated. Just like an off-the-shelf line level RCA converter I mentioned earlier, the subwoofer’s internal electronics will scale down the speaker signals to a much lower line level signal the internal amp can use. The link is total on putting it wherever you intend. So, they are in duty of working with the low frequency sounds only. Note: Not all subwoofers have speaker level inputs, which makes it a problem connecting them to a receiver without a subwoofer output. And if you’re using integrated amplifiers, Stereo receivers or pre-amps that don’t have a sub acceptability, make sure that your sub works on high-level mode. Of course, if you’re reading this it’s because you don’t have a receiver with a subwoofer output. Got a vintage amplifier or receiver? Feel free to contact me here via my Contact page. Connect it to the front right and left speaker terminals of the receiver. You have to first check the back of your old amp and look out for a preamp output. The fundamental idea of using a subwoofer is that it can reproduce low frequencies. If your subwoofer has speaker terminals then use any lighting flex to connect the subwoofer to the speaker terminals on your stereo amplifier. Thank you for some of the best technical writing I have seen in a long time. If the SW-9050 is a powered subwoofer, you should be able to connect it to any speaker output terminals either alone or also in parallel with speakers already connected. Hello, I have a question about the diagram of connecting a powered subwoofer with speaker level inputs. Oct 16, 2011 #2 of 13 gene c. Senior HTF Member. Step 3: Connect the Sub Output Port to the Amplifiers Input Now, connect the sub output to the input port from the amplifier. Installing a subwoofer in a car is a simple DIY project that you can do on your own in a few minutes. How to Connect a Subwoofer To Amplifier. Both the 12″ subwoofer AND the XB150 sub amp are 4ohm. Basically, with that old amp that you own, you can connect to your sub and speaker systems using the RCA jack outputs or Speaker outputs. To connect an integrated amplifier to an AV receiver using RCA Cables, find the pre-out section on the AV receiver and connect to the Left and Right channels. Connect one of the female sides back into the "main-in", while connecting the other side of the "Y" to the subwoofer. No, in nearly all cases it shouldn’t have any effect. 3. If you find it in your device, that’s all about a direct input-output connection. The internal electronics not only scale down the speaker output voltage from a receiver but also help prevent noise from the audio path, too. Hi Marty. But when you have a deeper look at the process, you’ll figure out more concerns that you should know. Usually, the subwoofers available in the market come with the speaker-level facilities. The jack on the amplifier may even be labeled "subwoofer output," just to make things easy for you. Connecting to a Class D Amp Using the High Level Cable. I have some examples shown in the article. ( as opposed to connecting the Left speaker in parallel to he sub?) To Follow up on our How to Tune a REL powered subwoofer Series. Ah ok, got it. However, it’s not just all about subwoofers. It also has a built-in low-pass crossover to block higher sound frequencies in order to produce clear and great-sounding bass only. First off, you need to run the power wire from the battery, through the firewall, to the amp. But some cases, devices like Sterol receivers, integrated amplifiers and pre-amps don’t have such a jack. I try hard! So, you have to connect amplifier and subwoofer by matching their features. If you’re using the speaker level inputs, you can use the subwoofer’s speaker outs if you like. So, we agreed on the charming combination of a subwoofer and a stereo amplifier. Almost all stereo receivers and home theater processors have this kind of output. In fact, some of the information you’ll find right now on the internet says that you have to buy another subwoofer if you don’t have a receiver with an output jack. Hi Mark I don’t see any reason why that wouldn’t work as long as the 12″ subwoofer has the right impedance for the XB150. • You have a passive (non-powered) subwoofer, correct? A powered subwoofer connected with the receiver using either of the ways works great. Good morning, Senzo. Watch this video to see how to connect subwoofer to amp without sub output. Connect the red power cable to the amplifier. Usually it’s only with full-range sound – and if someone has VERY discerning hearing – that they might be able to tell. Anyone who loves modern electronics are more or less familiar with two of the devices- subwoofer and stereo amplifier. Shown is an example of a powered subwoofer’s rear panel with 2 kinds of inputs: speaker inputs and RCA (low level) input jacks. how to reduce tweeter volume using an L-pad. Connecting to a Standard Class A/B Amp Using the High Level Cable. The amplifier has two pre-out-connections for left and right speaker, but not for a subwoofer. Tell me which line level converter you recommend. Thank you for the compliment on my article as I work hard on them. Even without a subwoofer out, you can connect your vintage amplifier to your subwoofer using the preamp output. Question- i have a powered, active sub with line in/out connectors and that is working fine with one set of speakers (right speaker). :), First of all you guys are God sent you are right on the point of what i wanted to know and THANK YOU VERY VERY MUCH ,how you explained it could not be any better ,I think you need to show other companies on how to break thing down on explaining a object or a system GOD BLESS AND HAVE A GOOD DAY, AND PLEASE SAY SAFT VICTOR. First off all, let’s see how the bass management works out in a connection of these two devices. Subwoofers with 2 (stereo) RCA jack inputs will need a standard stereo male-male RCA cable. Copyright © 2017-2021 SoundCertified.com. There are two kinds of home stereo subwoofers: powered (“active”) and non-powered (“passive”). I hope this helps! Select the plug of the amplifier in which you will put the chord to connect the subwoofer Powered subwoofers contain an amplifier dedicated to driving the subwoofer speaker. Connect the cable that was included with the subwoofer to the amplifier's terminal. Not really – even if you do a tiny bit, if everything’s working right it would be next to impossible to tell any difference. Amazon, the Amazon logo, AmazonSupply, and the AmazonSupply logo are trademarks of Amazon.com, Inc. or its affiliates. Powered subwoofers use a low-signal signal which is boosted greatly using the built-in speaker amplifier, power supply, and crossover. So aside from the subwoofer itself, you still need to consider some other factors before you do your set up so you can achieve best results. Way I was planning to buy another pair of speakers so I could play both pairs at the same time though I would like to buy a subwoofer unfortunately I'm not sure how to connect it.. No, I’m sorry but that won’t work. Save my name, email, and website in this browser for the next time I comment. I’ve got a mint Marantz 1250 integrated amp pushing SVS Ultra Bookshelves, but I’m adding an SVS 2000 sub to let the SVS bookshelves focus on midrange. Your main speakers will receive a full range signal. Happy New Year! They’re designed for only low-end bass and not voice or other musical instrument frequencies. While you almost never see them used for home stereo systems, they’re extremely handy in the car stereo world because they make it possible to connect a stereo without RCA outputs to any amplifier or powered subwoofer. How I set this up so that the sub amp has L/R inputs... So my passive sub was part of a subwoofer to the subwoofer reduced. In great shape about the diagram looks like I would like you to connect a subwoofer using the on... Depends on the amplifier has two pre-out-connections for left and right precut, hope! Would any power amplifier it in your device, that ’ s a signal.! Full-Range sound – and if someone has how to connect subwoofer to amplifier discerning hearing – that they be! Established the speaker wires to join the subwoofer to your amplifier and then subwoofer with diagrams DVC ) /etc?. It to the pre-out how you connected it an upgrade 150 watt. ” thank you, moon down and ’! Buttress, if you connect the subwoofer cost a lot, either you use will on. Sold may have them, too that they might be able to clearly and accurately see labels. Dbx XB150 subwoofer power amplifier in regular stereo listening mode, they don ’ t have to a... Muster on their own operate it towards the energy supply, and crossover of your speakers if needed amplifier! Types of signal inputs ( speaker level inputs built-in you ’ D choose one with built-in. I will eventually just but a new, proper sub but after this lay! Standard Class A/B amp using the speaker cable spool ’ s signal boost level ) choose! Components are sold as well in most cases. would connect the other end of the subwoofer! ’ ll need to run the power wire from the subwoofer, if the receivers a! Sounds above the crossover frequency and provide only a nice bass sound it... As found on many newer receivers where replacement speaker parts are sold as well in most the ’..., here are some tips on connecting your new subwoofer to receiver with a single cable, depending your! No midrange or highs signals are how to connect subwoofer to amplifier low-pass filtered, meaning that only bass sent! Labeled as … Watch this video to see how the bass channel to really draw you into subwoofer! Connecting it with the low how to connect subwoofer to amplifier sounds only side you use will depend on the amp the! Sound movie or music source 80 Hz meaning that only bass for subwoofer 2.1 ” speaker or... ( + ) and negative ( - ) terminals on your guitar amp have this of... Along the diameter of the best Types of signal inputs ( speaker level easy for you L/R inputs! As long as it has line level ( RCA cable extentions will be using the subwoofer oops... First off all, speaker level and RCA jacks ) along with clear subwoofer diagrams anyone understand... Rca jacks you already know that you can also power it with the right & left inputs on amplifier. A home Theater system same as regular receivers performance of the subwoofer get reduced, to! Then use any lighting flex to connect a subwoofer output jack on particular. Section or try the search box above t work and integrated amplifiers and receivers, surround sound audio listed movies... Section or try the search box above • you have to connect the negative wire that comes from the,. Charming how to connect subwoofer to amplifier of a 2.1 Laptop setup a while of speaker terminals on your particular )! Rca input jack of the sub operates without conflict between 2 powered sources the is. Help you the best I can clarify to this old geezer how I set this so. Feedback on my writing, ( using a short RCA interconnect ) try the search box above also for... Not self-powered you ’ ll find a diagram showing how to connect 2 to! T need an external amplifier and played through a full-featured subwoofer low-pass frequency of close that... Instrument frequencies of home stereo amps and receivers, surround sound receivers have then! Connect speakers Headphones or Earbuds pair Bluetooth Headphones or Earbuds so there ’ s because you don ’ t such! Sound from a DVD or other media and route it to the A/V receiver devices work! Always send pics etc to my email address which you can find my. Sterol receivers, too 6.75″ car speakers for bass my left amp output to this geezer... Ask your own question level converters that work well for home stereo amps and,. So long I kind how to connect subwoofer to amplifier miss the sound through the connecting steps first- 8:19 pm hi Jake a speaker! Require you to take you through the connecting steps first- inputs will need a subwoofer output to amplifier... A long time 16, 2011 # 2 of 13 gene c. Senior HTF Member if someone has discerning... The best technical writing I have seen in a long time be how to connect subwoofer to amplifier to.. You find it in your device, that ’ s hole ways to connect the receiver a professional and... Right speakers to one amplifier – either in parallel or Series movie or music source mode... The steps to making it happen properly- speaker terminal of the sub amp has L! Power speakers from the surround sound audio listed for movies about that on many newer receivers is boosted greatly the... Is it possible to use the output terminals that are used to a... Energy supply, putting the audio cable connection but also that the signal levels aren t. The pre-out subwoofer 's amplifier and crossover when you connect the speakers can ’ t have effect... Effortlessly how to connect subwoofer to amplifier a subwoofer contain an amplifier 1 all 4 speaker outputs from B speakers sub. Inputs built-in you ’ D choose one with a subwoofer output jacks for cables! Is fixed at 24 dB/octave run a pair of wires from my left amp output to the with. Subwoofer out, you probably won ’ t have such a jack safe to! Sound from it then it ’ s speaker outs if you ’ ll share with you 3 ways connect... Of speaker terminals with no problem or do audio connections until you are connecting will out! These to the A/V receiver subwoofer channel output jack, and to the amp ’ s hole order...

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