Most People's Subwoofer Crossover Settings Are Wrong

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[@domeniccatalano-zs6xd]

I've had my theater (7.3.4) for about 5 years now and never new this. I turned the subs to the highest setting like you said and rite away I heard and felt the difference. It's amazing how there is always something more to learn. Thank you very much for this wonderful video.

[@Kpaceguy]

Thanks for watching!

[@kaneserver]

Did you run auto EQ before making this change? Then after you made the change did you run auto EQ again?

[@GSP-76]

You should always use LFE...if you don't see it on the subwoofer (my older 15 inch doesn't have it on the back), just turn the frequency to the highest point you can. The receiver still controls what frequencies get sent to the sub. I had mine set to 80hz like a fool for a long time..when I fixed it, I immediately noticed a massive increase in sound quality. I was repeatedly told to never set the frequency to 160hz even though that's exactly what was needed. Setting the crossover frequency to a set point means anything higher won't go to the sub. The decision making should be at the receiver. You'd be surprised how certain frequencies in movies are higher but still designed to be sent to the sub.

[@neutron564]

This is bad advice if you're using high level inputs, from an amp that doesn't have a sub out

[@GSP-76]

@@neutron564 why would you use an amp on a powered sub? Your referring to a passive sub setup? Older powered subs don't all have LFE listed on the rear frequency dial. A sub with a high/low level inputs don't get set up the way the video is describing. With a powered sub that doesn't have high/low inputs or lfe, you should be using the highest frequency available.

[@trauma50disaster1]

thank goodness I did have mine on LFE, i was thinking I had it on 40 which would be the worst? What do I do with the phase 180 or 0? I have it in the front corner.

[@kaneserver]

​@@neutron564 he states av receiver in the comment, yes you're correct but, out of context with the comment

[@brianwheeler3861]

And my receiver only goes down to 80 so I still cross over 100 then life to 80

[@njrumenos]

A lot of people don’t understand how to set crossovers as they don’t understand the 3db down point right before compression, there speakers might be 3db down at 60hz at 1w but when they throw some juice at them and get closer to reference level the 3db down might now be 90hz, there is a lot more to what it might seem.

[@adamant3844]

After watching this video I realized that I forgot to turn my sub's crossover to max after adjusting the LFE setting on my HT receiver awhile back. I then turned the bass on my receiver back to 12 O'clock as I no longer needed to compensate. Thanks for the reminder bro.

[@Kpaceguy]

Thanks for watching!

[@AalesundTrooper]

If you have LFE input, the sub amp dont even touch the crossover. The reciever gives the LFE command on when to cut off. but if you use the phono inputs, it does.

[@adamant3844]

@@AalesundTrooper I don't have LFE input on the sub.

[@AalesundTrooper]

@@adamant3844 ok, then i would use the reciever to do the job, with LPF (low pass filter) of LFE, and turn the nob all the way up to max on the subwoofer. Or go oldschool and use the cutoff on the subwoofer, but then dont use the one on the reciever. In short, LFE on a soundtrack is a channel only used to transmit low freq.

[@LeeLee-fi7mx]

It's probably best to set the dial on a subwoofer to "bypass" for the crossover. Enabling extra, uneeded filters or crossovers can potentially add slight delay, which can possibly mess with the integration between the mains and subs.

[@AalesundTrooper]

Ive been on this for 30 years, and this is a pretty good walk through for beginners in home cinema👍 But can i add some to your video on this? «Dont always trust the calibration tool on the reciever 100% if you are using that. When its done, go over all and check them, sometimes they are way off. Both hz and distance. Example after calibration: Left front: 3.25meter (10.66feet) Right front: 1.65meter (5.41feet) Left very close, right is way off. And also check size of speaker settings. Sometimes you want the front to be playing full band, if the front can handle it and your reciever can. But as you said, if you want to not overload the reciever, choose crossover on them. Good video🍿🍿

[@King_Dusty_Of_Pookytopia]

Nice tip. I built my own subs recently and tried this out. I was missing stuff for sure. Now I'm testing lots of my movies all over again.

[@skip741x3]

Very well explained brother! I set the crossovers in the reciever and leave the sub in LFE mode to bypass any filtering there.. It depends on speaker size and room of course, but ive found 80 hz to work great...voices are filtered out and yet the bass is still hard hitting and solid... if you have ever dropped the point too low ,say 50 or 40hz, sure you wont have any deep voices bleeding thru the sub but you will also be missing some of that upper bass that lends impact... 80hz is a great compromise that allows impact and yet keeps voices out of the sub as well as making it hard to localise where the bass. is coming from ....there is a reason that 80hz is used and chosen for THX sound standards

[@Kpaceguy]

I agree

[@johnathantaylor3199]

Also, if one would like more output from their sub, use both rca inputs via a quality y splitter. There is at least a 3-6 decibel sound difference.

[@georgebailey6307]

You just made me think about my car audio, I'm guilty of setting them both haha. fix in the morning, Thank you! well explained and great vid!

[@Kpaceguy]

I appreciate it!

[@craigd10]

For those using SVS subs with their app, to set LFE mode touch the settings icon on the upper right, then choose Low Pass Filter, then choose off on the toggle. This puts the sub in LFE mode and defers crossover settings to your AVR/processor. Make sure to do this for both subs if you're running duals.

[@DADA-un5hg]

Kpaceguy, you are awesome!!!! You explained exactly what I've been looking for all week. thanks man keep making great informative videos.

[@Kpaceguy]

I appreciate it!

[@Ian-wh8ut]

Dude this is just what i needed! i do feel i will need to replay parts many more times.and i am just trying 2 channel plus a sub.Thanks for this man!

[@Kpaceguy]

No problem!

[@BlkMog50]

Brother, this is a fantastic video. I've learned so much and I keep referring back to this video and tweaking my system. 🤝🏾

[@Kpaceguy]

I greatly appreciate it.

[@calvinc5888]

One more question: I know this thread is about subwoofer crossover setting, forgive me for changing the subject a little and may I suggest another new video on our main listening speakers. My remaining speakers frequency responses are: 1. Klipsch CDT 3650 C* II- 63Hz-23KHz ± 3dB 2. Klipsch RP-504 C** II - 50-25kHz +/- 3dB 3. Klipsch R-5502 W II - 46Hz-20KHz ± 3dB 4. Klipsch R-5650 S II - 60Hz-23KHz ± 3dB *= Ceiling **= Center W= In-Wall Mains S= Surround Currently they are all set to 80hz crossover. What would you recommend the crossovers to be set at? Audessy initially had them set at: 1. Top Front Ceiling 110 hz Top Rear Ceiling 80hz 2. 40 hz 3. 100 hz 4. 100

[@Kpaceguy]

kzbin.info/www/bejne/l6StiGN3lpyjbqc If you haven't seen this, this will help. I can't necessarily tell you what would be best because I don't know what your subwoofer is and I don't know how the sound is sounding in your room. It wouldn't be bad to set everything to 80hz in this case. It also wouldn't be bad to set everything 20hz higher than it's lowest rating. But it's truly up to your ears as long as you're not playing bass too low for that particular speaker.

[@calvinc5888]

@@Kpaceguy I watched the video and now understand. Much appreciated

[@Music.Movies.67]

I have my SVS Subwoofer set to LFE and in the AV Receiver l have all my speakers set to 80hz and the Subwoofer is set to 90hz which l have found sounds better than 120hz it blends more with my speakers and gives good impact, bass effects for movies and TV shows

[@saikirangutta3165]

Can you please mention ur SVS subwoofer model and also ur speaker brand and model to just check their specs so whether the impedance of speakers really matter for perfect blending. As I was told that 8 ohm speakers crossover to be always set at 80 and 6&4 ohm speakers to be set at 120.

[@Kpaceguy]

Absolutely not

[@saikirangutta3165]

@@Kpaceguy Thanks for your swift response.. just started watching your videos today.. Your videos made lot of sense. I started admiring all your work.. Your explanation was too good for me. U earned a subscriber.. keep up the good work..

[@Kpaceguy]

@@saikirangutta3165 I greatly appreciate it. Welcome to the crew!

[@jamescampbell2279]

good afternoon bro, quick question; I always hear you talking in some of your videos about mini DSP. Which one do you have connected and how are you hooking it up. Thanks

[@Kpaceguy]

@@jamescampbell2279 Minidsp Tutorial | Calibrating your subwoofers!: kzbin.info/aero/PLM3Bb-kFpIEJfK5lPJvBXMTVafuRFWZ2-

[@robertool2923]

hi, i have a pb-1000 pro, is in lfe mode on the sub, and adjust the crossover on my receiver. yamaha tsr-700

[@HenkkaMJ]

Not always the best case. I have two subs and tower speakers. Using stereoamps highpass filter to cut them at 60hz and adjusted subs to play from 70hz with a 24db slope. Got the best result and integration like that. If ur not so familier of tuning your setup then its a good idea to use lfe from av receiver and sub. But if you dont get the best result like that and you know how to work with the equipment you have. You can do either way🤓

[@MichaelLHill-fd3kw]

I have turned my AVR and subs to the highest settings because of the use of a mini dsp to calibrate the subs it’s the only way to get it right. I use passive subs and I setup the amps on full range to get a accurate response for the bass to play at a smoother frequency.

[@roco9504]

People also forget, subs are its own channel! It’s not just used to play bass that your mains can’t play. For music, sure.. but movies?! Nooo.

[@larrygaines7462]

Is it a jet plane folks on the porch, folks in the recording studio that the setup allows you to hear new experiences, nope the new amps, the drivers are better and the 18's are just now broke in. I'm gonna live one more summer LETS JAM DIYERS

[@eXtreme4]

In 3 way and above speakers in the crossover there is also a bandpass filter/crossover for the middle speaker.

[@TheAk1292]

BTW I like your explanation of the dB roll off. I am very much still learning about this stuff which is why I was so disappointed with what I think I heard about LFE in your video. Hopefully I was wrong. If not then hopefully you will correct it. :)

[@thinkIndependent2024]

LFE+ Main for music, because LFE can limit on music only track not sent through Dolby

[@sheek1982]

I'm team stereo receiver, so I rely on my subwoofer's cross-over. I prefer my cut-off point at 70hz.

[@stephenreynolds3711]

They have Polk and Sony up firing speakers on sale at Best buy I would have to put them on top of my height speakers that are on the top of my tower speakers what's your feelings on that will I be able to hear the sound clearly

[@blueflame0003]

Great video my subs knob i turn all the way to the right pass 150hz to the word bypass its always been set there my avm90 i set my main to 80hz and heights and rear 90hz sounds great except for an acasional popping from my subs. Working on getting that fix i hope😮

[@NudlArm]

What do you usually set your crossover to on your AVR?

[@Kpaceguy]

@@NudlArm a lot of things are at 80hz or higher

[@maze400]

Infinity Entra Powered Subwoofer: Dimensions: Width = 14.5", Height = 15.25", Depth = 18.0" Driver: 10" C.M.M.D., front firing driver Frequency Response: 34Hz-150Hz (+/-3dB) Amplifier/Power: 150-watt RMS internal amplifier. Surround: for a smoother response and improved durability, the woofer uses a rubber surround Port: rear-firing bass port allows deep bass with high acoustic efficiency and low distortion Auto On/Off: automatically turns the subwoofer on when it senses a program signal and turns the amplifier off when no signal is present for about ten minutes Video Shielding: this subwoofer is not magnetically shielded Removable Grille: includes a removable black cloth grille Weight: the subwoofer weighs 47 pounds Controls Subwoofer Rear Panel: Level Control: dial adjusts volume level Crossover Control: dial adjusts the internal crossover from anywhere between 50Hz to 150Hz Phase Switch: 0 or 180 degrees; allows for flexible sub placement Power Switch: Off/standby

[@larrygaines7462]

I use fmods 70hz hipass to douk line amp to monoblocks then blend but not amp the line to sub parametric eq on plate amp Then the sat/sub 70hz can warm or cool the bass pressuration of the room.

[@zellerized]

My Yamaha 1080 doesn't let me set the crossover for the sub. It has parametric eq tho.. but it seems i have to use something to read the waves in order to make adjustments( already did ypao but it didn't sound as good as my manual settings. I manually set the fronts to 60hz, surround to 80hz, center to 90hz.. i tried using parametric eq just for the sub but I'm not sure what to set the 4 lines to. Db, Q, etc

[@calvinc5888]

I have the Klipsch RP-1000 with the crossover dialed on LFE. My Marantz SR6015 crossover settings shows LPF for LFE: 120hz I was told to leave it at 120hz. Is this my current SW crossover setting on the AVR? If so, what should I change it to for the RP-1000SW? My remaining speakers are: Klipsch CDT 3650 C II x4 Klipsch RP-504 C II Klipsch R-5502 W II x2 Klipsch R-5650 S II x2

[@skip741x3]

LFE low pass settings and Bass low pass are not the same thing... if the lfe low pass was set to 120hz, its likely because the lfe channel can do effects Up to 120hz and thus the setting was so as to Not limit it... The regular bass settings and crossover point however, is ofetn set to 80 hz to allow good impact and non localization of the bass as well as keeping deep vocals Out of the sub...while all recievers for home theater will have a bass crossover thats usually adjustable for freq cutoff and level, not all have an adjustable freq in regards to LFE..the LFE level is adjustable but often the freq here is set ,usually to 120hz by default.

[@calvinc5888]

@@skip741x3 So the LPF to LFE on the Marantz is where I should set the subwoofer crossover setting to 80hz from 120hz default? In my normal crossover section, the subwoofer is not listed there with the other speakers

[@Kpaceguy]

LPF for LFE is the same as subwoofer crossover on your marantz unfortunately. Some receivers let you set the subwoofer crossover separately from the LFE crossover. Usually you want to set your LFE crossover to 120hz and set your sub crossover to wherever you see fit because the LFE is for movies but the sub crossover is for just about everything else. Since you don't have the ability to set both crossovers, pick whatever sounds best in your room. That may or may not be 120hz.

[@calvinc5888]

@@Kpaceguy Thank you so much for clarifying this.

[@curtc.6914]

Great info on todays podcast 😊

[@andrewdoan1525]

For music listening,, I am an old fashion minded guy, no sub and that's my preference. For H/T application then yes sub crossover from the AVR/ Pre-Pro crossover is set to LFE @ 80 Hertz as recommended by THX.

[@ajashadi1]

@Kpaceguy, I have the monoprice sub 9723. I get what you said at 5:00 and 8:24, set max on sub and set 80 on AVR. Question : what about volume on sub? do you recommend 10 oclock, 12 o clock, 1-2 o clock? Any suggestions. Also, what effect this volume knob on sub has on overall sound. I always had my volume and crossover around 1-2 o clock position without doing any setting on Sony DH 540 AVR crossover. on different note, I did make speakers small and then crossover setting gets enabled in Sony DH 540 AVR. However when i set it to 80 on avr, I didnt notice any difference. I didnt leave it on for a long though as I quickly went to L speaker and other settings. I have a Sony DN 1080 and just got Pioneer LX 305 sitting in a box that I need to setup with atmos speakers. That would be my next project. I dont get much time so havent connected those yet.

[@Kpaceguy]

@ajashadi1 sub volume should start on 12 o clock or halfway up before running calibration

[@ajashadi1]

@@Kpaceguy If we dual subs, then the crossover on both subs should be set to max and then AVRs set to 80? Just making sure for dual sub setups. 🙂 Also, there is option in Sony DH 540 to adjust subs volume or bass I dont remember now, goes from -12 to 10 or 12. What should be the setting I should try? I believe there is one for subs treble also.. Currently both bass and treble at 0.

[@Kpaceguy]

@ajashadi1 usually all the crossovers are the same but that's not always the case. Some places in the room may call for a different crossover

[@ajashadi1]

@@Kpaceguy Anything on the sub bass and treble setting?

[@Kpaceguy]

@ajashadi1 That's all personal preference

[@scroobthenookie8054]

So what if you are using the svs app

[@Kpaceguy]

Same thing. Turn the crossover to max or LFE mode. I personally would disable all the EQ things in the app, Run calibration, then turn the app back on and make tweaks AFTER calibration otherwise your calibration will try to revert the changes you made in the app.

[@jimlev]

So, I turned my Crossover on my Sub to it's highest level, then I went into my crossover setting on my Onyko receiver to 80HZ.... Is that what you are talking about? If they is right, then what should I set my main speakers at? They are bookshelf speakers (Acoustic Audio AA351B indoor mountable black full range speakers, 20-500W per pair, 100Hz-20 kHz, 89dB, 8ohm). What should I set them at on my receiver?

[@Kpaceguy]

Yea, you did it correctly. If your speakers are 100hz at its lowest rating, then you'd want to set your subwoofer to at least 100hz and set your speakers to at least 100hz so that as the bookshelves roll off, the sub kicks in

[@jimlev]

@@Kpaceguy That 100Hz, would it also apply to the two Atmos speakers? And, what about my phase. Should I keep it at 0 or go 180?

[@calvinc5888]

@@jimlev Good question for Kpaceguy. I have dual subs with both phase set to 0.

[@AlexRodriguez-oe4df]

@jimlev did you set the crossover in your avr(LFE) to 80hz? And your sub 100 hz? The reason why I’m asking is because i have acoustic audio speakers and subs myself..i set my mains(LCR) @100hz my surrounds @ 100hz my 4 atmos @150hz..that’s my understanding that i got from kspace… and for your answer about your sub phase i always set it at 0.. please let me know thanks

[@Kpaceguy]

@jimlev I have a couple videos about phase but usually start with 0 especially if you have 1 sub but if you have more than 1 or your sub isn't in the front, it's worth playing with

[@lunatikk1967]

Question does the LFE input on the sub also bypasses the function of the phase control ?

[@Kpaceguy]

No

[@lunatikk1967]

@@Kpaceguy thanks dude

[@danlong6162]

Beautiful explanation!

[@Kpaceguy]

Thank you!

[@pedrofernandez8729]

Wouldn't the use of one sub on a 2 channel music setup overwhelm it with too much bass coming from both channels as opposed to using two, one for each channel?

[@Kpaceguy]

It's all about proper integration

[@davidmckee2898]

That was interesting what you said about if you want to use your subwoofer crossover. Buy putting the amplifier crossover to the highest I didn't know this. So which one of these two would be the better using amplifier crossover or subwoofer crossover

[@Kpaceguy]

Use the AV receiver/pre processor

[@kadzie]

Interesting, thank you for this, please may you explain what this means - my speakers spec says Frequency response 49Hz - 26kHz, and it also says crossover frequency 2kHz - what do these two specs mean?

[@Kpaceguy]

The first numbers tell you the frequency range your speaker can play. The 2nd numbers tell you the internal crossover point between the tweeter and the mid bass drivers

[@kadzie]

@@Kpaceguy so in this case do I set my sub woofer to about 50Hz so the sub woofer can pick up from where these speakers end?

[@Kpaceguy]

@kadzie set your subwoofer around the same you set your speakers

[@nickloss2377]

@@kadzie set you subwoofer crossover to 49hz. If done at the processor (AVR for you home theatre folks) it means that all information that is at/or below 49hz will be sent to the subwoofer channel. Content above that will be sent to the other speakers.

[@donaldnelson976]

Big up bruh..took your advice and let me tell you my subs are producing even louder and stronger bass. I turned the xover on my amp at it's highest point. On my electronic xover i I set the frequency lower, and it was louder and stronger Unbelievable !

[@Kpaceguy]

@donaldnelson976 Glad I could help brother !

[@donaldnelson976]

​​@@Kpaceguy you've helped tremendously,for years I had it all wrong. This is the first time I've ve heard my subs sound as good as they do now Also I have to turn my gains down before an earthquake occurs..lol respect everytime meh brudda

[@calvinc5888]

@Kpaceguy - Hello. I took time to watch this great video again as you recommended: kzbin.info/www/bejne/l6StiGN3lpyjbqcsi=nnSckjL-kwl2uDwF With over 500 comments, there was one part in this video at the time of 7:20s where you mentioned if any words are muffled, it may be crossovers are not set correctly or that the subwoofer is set to high. Thanks to you I fixed my crossovers but I experienced the muffled voice in a movie dialogue and had to lower only my center crossover to hear it clearer. Maybe I missed hearing you talking about the sub volume is set to high and how to fix this. Currently on my Marantz SR-6015, the physical gain knob on both subs are set at 3.5db. In the Marantz settings are: Audio | Subwoofer Level Adjust SW1: +0.5 SW2: +1.0 Audio | Speaker Levels SW1: +3.5 SW2: +4.0 I feel like my sub volumes are too high which caused my mumble, but I myself and probably others don’t know how to make the sub volume correct plus do not fully understand these settings. Please advise

[@Kpaceguy]

kzbin.info/www/bejne/embcopiwmsRgq5Ysi=DfpzsunrLu6EApo2 This should help

[@maxeylifetv2676]

My amplifier doesn’t have a filter setting but it has base and treble nubs.

[@martincharlton1606]

Do you set the hpf the same way

[@Kpaceguy]

@martincharlton1606 your hpf will be set identical to what you set the subwoofer so that they blend

[@CaptainSplatch]

Very helpful. Lfe set.

[@GSP-76]

LFE is the way to go but some older subs only have frequency dial with no option that says LFE. In that situation, always turn the dial to the highest frequency you can. The receiver controls which frequencies go to the sub and what goes to the rest of the speakers. Basically you want to let the AVR to control what frequencies go to the sub for best sound output.

[@Lowkey_nxthxn]

My Polk psw505 doesn't have a LFE crossover it only goes up to 120hz and my two polk HTS12s only go all the way to 160hz

[@Kpaceguy]

Then turn them all the way to max and it'll act as the same thing as LFE

[@Lowkey_nxthxn]

@@Kpaceguy yeah I always turn my crossover on the subs to the max but they also have LFE rca inputs

[@mrcarpentersc]

What about those of us who don't use a receiver? For example I have a B&K PT103 pre amp with a sub out. Not adjustable in the pre amp. I typically run 2 rca's to the sub since I find with most subs it sounds better, or at least more powerful sounding. Should I turn on the LFE in my sub or leave it off. The LFE connection on the sub is only 1 rca. I have a SVS PB2000 PRO so it has the app I can use to adjust it. Thank you for the great videos!

[@Kpaceguy]

LFE is more for movies. So in your case you'd set your crossover to what blends best with your speakers on the subwoofer itself.

[@raymondj8768]

BROTHER PLEASE HELP ME I Bought a Bastian 100 watt 6 speaker sound bar from temu ! I KNOW lol I just hooked it up to my computer and I get so much feed back when i plug it in the wall i even tried diff outlets what should i do can i fix it or just pour gas on it lol it really is a tv sound bar but it has AUX plug PLEASE HELP bevfore I hang myself with the wire !!!!!!!! joke THANKK YOU

[@Kpaceguy]

Sounds like a cheap piece of equipment to be honest

[@raymondj8768]

@@Kpaceguy so burn it rite lol

[@Kpaceguy]

Unfortunately lol

[@TheAk1292]

Most peoples subwoofer settings are wrong. Including yours if you set your receiver LFE to anything other than 120Hz. That's the maximum frequency for the LFE channel in an audio mix. So if you set it to 80Hz you are potentially loosing 40Hz worth of LFE information from the mix. In fact you will see it argued in almost every article you read that this shouldn't even be a user adjustable setting. Good advice on the back of the sub setting. Very bad advice on the rest. Use LFE/or highest crossover setting on the back of your sub and set receiver LFE to 120. The leave it alone and never touch either setting again.

[@Kpaceguy]

My LFE is set to 120 but sub crossover is not

[@TheAk1292]

@@Kpaceguy Cool. But I'm not sure that your video makes that point clear. If it does then I will of course update my original post.

[@Kpaceguy]

@TheAk1292 Well I didn't address it because most people can't change the subwoofer crossover separately from their LFE crossover. I have in other videos about crossover but not this one.

[@TheAk1292]

@@Kpaceguy OK but unless I misunderstood your video, you seemed to suggest that you have your LFE set to 80Hz. There's even someone in the comments recommending to do that. BTW did you know that with Denon & Marantz recievers (probably Onkyo too) you can set LFE?

[@larrygaines7462]

The 2.1 system is much easier to setup

[@brianwheeler3861]

But what if you have more then one sub

[@Kpaceguy]

@@brianwheeler3861 The same applies.

[@TheMojito100]

Avr cross over