21" Subwoofers ARE HUGE!!! Un-Boxing B2 XM21 Subwoofer & How To Test Amp Wattage w/ Clamp Multimeter

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  • Опубликовано: 28 авг 2024
  • WOW... subwoofers just keep GETTING BIGGER!!! This massive 21 inch sub from B2 Audio is a real head turner. It's no stranger to the dance floor either because sub gets DOWN! Stay tuned for lots more on this woofer as we test the wattage from our amp with a multimeter and a clamp meter. Don't forget to leave a comment telling us what type of box we should build for this! :)
    Follow My Stuff Here:
    / exocontralto
    / exocontralto
    / exocontralto
    See More @ B2 Audio's Website
    www.b2audio.com/
    More XM Series Suboofers!
    www.b2audio.com/xm
    Visit Our Featured Web-Store w/ Code "EXO"
    www.droppinhzc...
    Music By: Letterbox, Huma-Huma, Silent Partner, Peacock Beats, D2TheRJ, Kevin Macleod
    Songs: "On My Life", "Phase Three", "Overturn", "Mob Battle", "Rap Instrumental", "Rick Ross", "Soho", "Son of a Rocket"
    Licensed under a Creative Commons Attribution license (creativecommon...)
    EXOcontralto
    Bassheads Unite 2017

Комментарии • 845

  • @EXOcontralto
    @EXOcontralto  7 лет назад +186

    My HOUSE was shaking!!!!

    • @sundownlover8472
      @sundownlover8472 7 лет назад +5

      you should help me put two sundown zb4 15" in a back of a Saturn lol

    • @CrashedDreams534
      @CrashedDreams534 7 лет назад +3

      EXOcontralto make a big ass t-line sub for this madness and then break every window in your house haha

    • @angelstudiosmggsg3196
      @angelstudiosmggsg3196 7 лет назад +1

      Melvin the big boys have a good day bro

    • @chefleon2967
      @chefleon2967 7 лет назад

      EXOcontralto so that low wattage doesn't hurt the VC at all?

    • @claysonwebster1622
      @claysonwebster1622 7 лет назад +1

      EXOcontralto what did you use to power the amp

  • @DDFJ1230
    @DDFJ1230 7 лет назад +120

    Put it in a box in your house to see how much it can flex your house hahah

    • @gpcaraudio
      @gpcaraudio 7 лет назад +29

      FireFighter#47 we just sold a home audio enthusiast 2 of the b2 X2C 24"s going on 5,000 watts each in a home audio application, RIP house

    • @tysonhower7598
      @tysonhower7598 7 лет назад +2

      www.GPcarAudio.com. Hey Tyler, did you send him the sub?

    • @avdh2749
      @avdh2749 6 лет назад

      BackDraft_147_1333 yes omg🤣

    • @cheri758
      @cheri758 5 лет назад +1

      Im flexing door in house with my 3" jbl atlas 3 speaker in box made for 12" sub. There will be vid

    • @PufferBass
      @PufferBass 3 года назад

      @@cheri758 O, cześć XD

  • @deairreoh
    @deairreoh 7 лет назад +201

    "she sitting there waiting to get pounded" 😂😂😂

    • @clemmie4
      @clemmie4 5 лет назад

      Lmao

    • @Kolfonik
      @Kolfonik 5 лет назад

      @@cryohphaze9329 Naaa, thirst comment has much more comedy.

  • @Antimatter.
    @Antimatter. 7 лет назад +18

    Exo, Mount the woofer in your closet door use the closet as the box , that would be interesting lol!!

  • @hashemmi24
    @hashemmi24 7 лет назад +3

    yeeeears after the Meade unboxing, you still have that same enthusiasm, if not more! you came along way, but you're still the same funny dude we fell in love with!

  • @zyfus5128
    @zyfus5128 7 лет назад +4

    Its fun to see you covering more European brands, i live in Sweden, so B2 is pretty usual to see around here, since they originate from Denmark. The the CEO for B2 is actually from Sweden. So nice job! Exo, you should check out some more European things, they really pack a punch

  • @MazdaBass971
    @MazdaBass971 7 лет назад +60

    That's a nice subwoofer! A buddy of mine is getting 4 of them put in his Tahoe in a giant 4th order tuned really low. lol

    • @MrTwone79
      @MrTwone79 7 лет назад +8

      MazdaBass971 post a video of it when he gets it done

    • @chingo28
      @chingo28 7 лет назад +3

      MazdaBass971 that boy bobby!

    • @legend131000
      @legend131000 7 лет назад +5

      I just commented the same thing a couple of minutes ago,without seeing your comment! :D *(high-five)*

    • @MazdaBass971
      @MazdaBass971 7 лет назад +5

      :D

    • @AB-80X
      @AB-80X 5 лет назад

      It's not a nice sub and the guy behind B2 is an ass.. Trust me, he lives less than 10 miles from me, and from visiting B2 a few times, it's clear that he knows way too little to be manufacturing properly engineered speakers.

  • @boosted_2j
    @boosted_2j 7 лет назад +35

    id use it to destroy trumps wall lmaoo

    • @chingo28
      @chingo28 7 лет назад +2

      boosted 2j My man

    • @juggsforlife1
      @juggsforlife1 7 лет назад +2

      cbr1thou dems... Dems everywhere lol

    • @atorrasYT
      @atorrasYT 7 лет назад

      lol wut, so all white people are trump supporters now? good luck for you then rofl

    • @j.t.rayborn8703
      @j.t.rayborn8703 6 лет назад

      boosted 2j You ain't gon do shit!

  • @DrMurdercock
    @DrMurdercock 5 лет назад

    This dude is the only ONE on YT who can cuss up a storm and storm sound/look innnocent

  • @MAD450r2
    @MAD450r2 7 лет назад +68

    home theatre sub baby.

    • @PlatinumEagleStudios
      @PlatinumEagleStudios 7 лет назад +17

      LOL do you realize the box would take up nearly half the space in your theater room? And it would produce MASSIVE bass. Imagine watching Transformers or some action movie like that and there's a huge explosion. That would blow your brains out of your head. You'd be like the Maxell guy sitting in the chair having your hair blown back by the bass

    • @MAD450r2
      @MAD450r2 7 лет назад +4

      EpicEverythingDude75 i currently tun 4 18s in my home theatre with 2 four 15inch 3 way cabinets in my room. my room is 24 by 30 feet. id build a centered sub right under my big screen on the wall. id have to rewire snd move the amps and receiver, which i been mesning to do anyways cause playing it low ur here my amps fans.

    • @poodlelord
      @poodlelord 7 лет назад +1

      EpicEverythingDude75 it's called tuning. Haveing capacity for huge dynamics is awesome.

    • @PlatinumEagleStudios
      @PlatinumEagleStudios 7 лет назад +1

      poodlelord
      Yeah......Guess you're right. It also will make movies more better too I guess

    • @supafly728
      @supafly728 7 лет назад +12

      I don't know if his neighbors would enjoy that. Tryin to watch the news, damn windows start flexin.

  • @caseynewland2614
    @caseynewland2614 7 лет назад +1

    PLATFORM 5'S COMING SOON BABY I CAN FEEL IT!!!

  • @speakerman342
    @speakerman342 4 года назад

    you, Garret Claridge, and Joe Tricep are coolest and best RUclipsrs ever

  • @lassediscovers1813
    @lassediscovers1813 7 лет назад +24

    How about THE BIGGEST T-Line box Ever! Say with me: DO IT!DO IT!DO IT! etc....
    Nice woofer Exo. Greatings from Norway

    • @SuperGoldeny
      @SuperGoldeny 7 лет назад +3

      Lasse Discovers I was soooooo totally thinking the exact same thing🙄😎!!!

  • @mattwells1036
    @mattwells1036 7 лет назад +2

    exo, use it for a huge low tuned home theatre sub, get a powerful home amp, or get a battery system with an amp you've got lying around

  • @couchaudio5755
    @couchaudio5755 7 лет назад +5

    0:43..... LITTLE BIG BOX.....LOL your hilarious EXO

  • @COMPASBASSCHICALI
    @COMPASBASSCHICALI 7 лет назад +37

    These are the subs that King Kong uses in his car!

    • @ericayala1738
      @ericayala1738 7 лет назад

      COMPASBASSCLUB CHICALI really? i though he had 18s this time

    • @COMPASBASSCHICALI
      @COMPASBASSCHICALI 7 лет назад

      team louder Not sure what King Kong you are talking man. I mean the real kong kong wellnis not real but kind of lol.

    • @ericayala1738
      @ericayala1738 7 лет назад +2

      COMPASBASSCLUB CHICALI oh shit lol i thought you were talking bout dj russticals van lol

    • @COMPASBASSCHICALI
      @COMPASBASSCHICALI 7 лет назад +1

      team louder Negative bro! I was just joking about the size lol

  • @makot1212gmailcom
    @makot1212gmailcom 7 лет назад +3

    I see a nice ported box sitting in that room with some nice towers like the other ones you made

  • @lucasvanhouten8799
    @lucasvanhouten8799 7 лет назад

    bandpass box??? DEFINITELY ported. CANNOT WAIT to see what you do with it ill stay tuned in till the end of time my dude EXO DA MAN

  • @msher1438
    @msher1438 7 лет назад +1

    EXO, I am new to your channel and don't even know if you will see my comment but I love your enthusiasm in this video. Keep it up bud!

  • @jacobrisch3838
    @jacobrisch3838 6 лет назад +1

    BRO YOU HAVE TO CHECK OUT THE 32"!!!! YOU WILL BE BLOWN AWAY!!!!!!

    • @EXOcontralto
      @EXOcontralto  6 лет назад

      I WANT ONE SOOOO BAD!!!!

    • @jacobrisch3838
      @jacobrisch3838 6 лет назад

      @@EXOcontralto I was going to ask you if you could save up for one but... I'm sorry for what's been going on. I love you man and stay safe ❤

  • @agentfrijoles6
    @agentfrijoles6 7 лет назад

    EXO PUT it in your room like you had the 2 12s back in the day

  • @suazzz3070
    @suazzz3070 7 лет назад

    I love your vids bro 1 month ago I had my amp and subs stolen and I got depressed but watching your vids makes me want to do a system again but the bills are first,lol

  • @bigvell02
    @bigvell02 7 лет назад

    B2 Audio no joke got lots of demos from people running b2. Great quality - maybe a old school van 🤔second thought something small.

  • @Swagdoodle
    @Swagdoodle 5 лет назад

    Thank you for taking me back to my roots, your vlogs help everyone how to “see” sound , you are magical!

    • @EXOcontralto
      @EXOcontralto  5 лет назад

      Many thanks, Jay! Appreciate the kind comment :)

    • @Swagdoodle
      @Swagdoodle 5 лет назад

      I remember back in 01 when i got my first mtx rfl, it came in a osb wood box with an extra cone in it and i had an idea to build a ported box and test it. Instead of putting it in my car I plugged it into the 120 volt /60 hertz outlet in my shop ! The cops showed up 30 minutes later cause the neighbors complained the bass was so loud it shook the decorations off the walls of their apartments 75 feet away! We all had a laugh and i got to meet my neighbors in a odd way! Keep up the amazing work my friend!

  • @skizzarz
    @skizzarz 7 лет назад

    that repeating tone sweet was quite musical, especially how you timed it with the music, that was dope.

  • @robertkehlerjr.8258
    @robertkehlerjr.8258 7 лет назад +1

    hey EXO if you want to hear it proper in free air get a piece of 10 inch pvc tube and set up the sub in the doorway of your room standing vertical with the pvc holding the magnet and it will act as a free air sub and the room will resonate and act as the cabinet ... stand out in the hall and I will guarantee you will hear bass down to 10 hertz... I promise you it will hit loud and low I have done that with a plate that had 4 15" in the doorway and it went insanely low ....no joke

  • @OGShadowShard
    @OGShadowShard 5 лет назад +2

    You could try to slap this somewhere in one of your modern projects like little blue

  • @BurningDownUrHouse
    @BurningDownUrHouse 6 лет назад

    My god only EXO can get me so pumped about a speaker! Dude your commentary is great bro, never change. And dont shave that beard!

    • @EXOcontralto
      @EXOcontralto  5 лет назад

      Thanks for all the awesome comments lately! Really brings a smile to my face reading them all this morning :)

  • @zoinks101010
    @zoinks101010 7 лет назад +1

    "This is sheer madness!" - Exo

  • @deh7335
    @deh7335 7 лет назад

    You found the resonate frequency of your house! Nikolai Tesla would be proud of this moment.

  • @R3MIXMODZ
    @R3MIXMODZ 7 лет назад +8

    For another video idea you should do a tutorial on the multimeters you have. Im sure some people would like to know how to use them and what they could be used for including me.

  • @klipnotik7835
    @klipnotik7835 7 лет назад +2

    That room alone acts as an enclosure 🔊😱

  • @waugy370z8
    @waugy370z8 5 лет назад

    Dude tou look hillarious waving that huge knife around and talking at the same time 😆 👍

  •  7 лет назад +88

    take the smalest car you can buy and shuve it in thare

    • @lateswe2236
      @lateswe2236 7 лет назад +12

      Skye a smart car lol

    • @ZenFloof2291
      @ZenFloof2291 7 лет назад +5

      Or fait 500

    • @nexus7tablet610
      @nexus7tablet610 6 лет назад

      MLG Gameplays
      Austin mini van or pick up would be my choice.

    • @gl-jp8up
      @gl-jp8up 6 лет назад

      Skye and take the cheapest teacher and shove yourself in a class

    • @Adam-wk4lj
      @Adam-wk4lj 5 лет назад +3

      Fire your damn English teacher.

  • @fleckx
    @fleckx 7 лет назад

    This video gets SERIOUSLY SICK at 9:20

  • @antons0212
    @antons0212 7 лет назад +8

    Box build soon plz!!

  • @coolguy-cu4sb
    @coolguy-cu4sb 5 лет назад +1

    She's pumpin

  • @godofthunder67
    @godofthunder67 7 лет назад

    I kind of admire this guy, he sold everything in his house just to get that woofer, I would've too, that's a badass woofer for sure :)

  • @jayfargusson896
    @jayfargusson896 7 лет назад

    You should without a doubt make this part of the home theater tower setup. You need to make a ported box with a built in shelf on the front that will hold all of your receivers and amps and such, and the box itself will become a big ass TV stand. Down fire that bad boy with a side slot port and you will have a KILLER home setup!!!!

  • @richanmel
    @richanmel 7 лет назад

    Cant wait to see what you've got planned for this monster,

  • @LerRhann
    @LerRhann 6 лет назад +5

    Dear EXO, if I were you, I would send it to me.
    *Jedi mind trick* You will send me this woofer.

    • @_FJB_
      @_FJB_ 3 года назад

      These are not the droids you are looking for

  • @seung-hyuncha1439
    @seung-hyuncha1439 7 лет назад

    back in the days with your top 100 bass songs.... :)

  • @Gavkonastinky07
    @Gavkonastinky07 7 лет назад +5

    0:31 had me dying haha

  • @notek_music
    @notek_music 6 лет назад

    Dude that room is like a subwoofer box for that behemoth!

  • @gpcaraudio
    @gpcaraudio 7 лет назад +33

    b2 AUDIO, FTW

  • @sadface
    @sadface 7 лет назад +3

    I'd like to see a box build video. I know they are all the same really but building one for a 21" driver is different for sure!

  • @ricardozuniga674
    @ricardozuniga674 7 лет назад +1

    Stupid idea but you should put it in. The window and have the room act as a box just for shits and giggles! Love your videos exo been watching you science your van days much love keep it up

  • @Elliotdudley
    @Elliotdudley 7 лет назад

    Build an EXO home cinema with it man!!

  • @mauriceje4388
    @mauriceje4388 7 лет назад +48

    buy an 32 '' sub :P

  • @jeffabercrombie167
    @jeffabercrombie167 5 лет назад

    He’s like a ninja with that knife

  • @psementalist
    @psementalist 7 лет назад

    Omg Exo that's insane what did you do brother that's a hellova giant 21" woofer . We're talking about some serious powa here that makes our 18"Crescendo Contralto's look like 12" woofer s

  • @noemartinez5111
    @noemartinez5111 7 лет назад +1

    its like Christmas all over again

  • @williamdawson4023
    @williamdawson4023 7 лет назад +5

    here's another project I'd love to see take all your woofers anything 15 inches up and build a huge wall and set it up in your house

    • @Sandor.s
      @Sandor.s 7 лет назад

      William Dawson earthquake

    • @tammyforbes2101
      @tammyforbes2101 6 лет назад

      Me and a buddy did that in a apartment we rented together he had 2 15’s and so did I so we used both and just one source unit and it rattled that poor place to death.

  • @DrMurdercock
    @DrMurdercock 5 лет назад

    I remember when 12's were it and 15's were this "mythical" sub we always heard about this one guy having in his van. ONe day, we saw the guy at a car show, he had 2 15s. Blew our 14 yr old minds

  • @shanewolfe1517
    @shanewolfe1517 7 лет назад

    beatin' down the competition!

  • @bringmeyourweak
    @bringmeyourweak 7 лет назад

    EXO, I would love to see you build a transmission line enclosure for your home audio set up with that beast!!!

  • @davidcarpenter55
    @davidcarpenter55 7 лет назад

    The 22 inch MTX jackhammer totally blows that away huge mother

  • @fornarnia8
    @fornarnia8 7 лет назад

    I love huge subs! If money isn't an issue, I'd put it in a box with 3 18inch passive radiators so that you can keep the box size down and the output high. Make sure to tune it really low.

  • @stevemcintosh1703
    @stevemcintosh1703 6 лет назад

    DUDE YOUR TOTALLY ENTERTAINING TO WATCH. KEEP IT UP.

    • @EXOcontralto
      @EXOcontralto  5 лет назад

      Thanks, Steve! Always having fun with it, so it means a lot you taking notice :D

  • @jayvog1601
    @jayvog1601 5 лет назад +2

    Question. When any company rates sub woofers, would the 3,000 RMS rating be for both coils combined or 3,000 RMS per coil?

  • @DJSEXYNONSTOP
    @DJSEXYNONSTOP 7 лет назад

    make a sick home theatre subwoofer of it :D that monster would pack a punch at explosions etc..!!!!!

  • @xoom772x
    @xoom772x 7 лет назад

    man 2 those in bandpass closure be sick with led mods

  • @leslie2256
    @leslie2256 6 лет назад

    LMAO "She is moving something nasty" "the closet stuff is vibrating in there" LOLOLOL priceless

  • @Tekatogokuta
    @Tekatogokuta 7 лет назад +2

    nice one ralf cant wait to see it in a box blasting might even get me a pair

  • @tornadobeatz5285
    @tornadobeatz5285 7 лет назад

    Now that is a Sub right there!!!

  • @jamespappas8205
    @jamespappas8205 7 лет назад

    i need to send you an OFFICIAL UNBOXING KNIFE from my collection...
    cant believe you waited so long to open this monster

  • @runthis8738
    @runthis8738 2 года назад

    The evolution of EXO's foul language is amazing 😂 you're doing so much better now day's! I love the content either way just thought that was funny.

  • @videosgoneviral7858
    @videosgoneviral7858 5 лет назад +1

    They be cool in my car... b2 21s. 4 of them with a b2 amp be sweet!

    • @videosgoneviral7858
      @videosgoneviral7858 5 лет назад +1

      Inverted best way to go... no ports makes your car into the box.. get 4 of them you push some air ...👍😎

    • @Electronichub_05
      @Electronichub_05 4 года назад

      Can you please make a video of your sound system?

  • @tank21575
    @tank21575 4 года назад

    It’s time for EXO to find a 32 in sub

  • @QenZi
    @QenZi 7 лет назад +8

    "So how's your girlfriend?" 5:55

  • @twitch3851
    @twitch3851 7 лет назад

    That thing is awesome man lol if your ever in the hickory area let me know I'd love to hear little blue!! Or Frankenstein Keep up the great vids !!!!

  • @ditto_75
    @ditto_75 7 лет назад

    B2Audio seems no joke.

  • @dawn9340
    @dawn9340 7 лет назад

    I'm surprised you aren't subbed to GP Car Audio. They built a box for this.

  • @StormCentre88
    @StormCentre88 5 лет назад +1

    13:37 = Some uncontrolled non-linear movement; which shows why this is a car sub-woofer and/or not really one designed/built for extremely accurate reproduction.
    Still, you had fun with it; and it is big.

  • @danymarsolaisgirard6583
    @danymarsolaisgirard6583 4 года назад

    The room is the box🔊

  • @kamelred421
    @kamelred421 6 лет назад

    subscribed dude. I didn't know that life could bring such beauty. such. grace.

  • @froey198033
    @froey198033 7 лет назад

    I agree EXO a nice big ported box will do that b2 21in woofa nice.

  • @bassinurfacerik7175
    @bassinurfacerik7175 7 лет назад +1

    tiny motor...my 4 21s were BEAST MODES..ULTRA FTW!!

  • @Drunken_Hamster
    @Drunken_Hamster 3 года назад

    4 of them. Dual Isobaric 3 chamber 6th order box.

  • @williamwalters9403
    @williamwalters9403 7 лет назад

    That's a whollleee lot of danish right there

  • @taylorg5577
    @taylorg5577 7 лет назад

    I wanna see that play in a box for sure!!!!

  • @izrael2321
    @izrael2321 7 лет назад

    that's beautiful ,it blows my mind

  • @u9Nails
    @u9Nails 7 лет назад +3

    Hey Exo, can you use that 21" beast in a home sub woofer project? I'm curious if it'll shake your home like Jurassic Park :D

    • @AB-80X
      @AB-80X 5 лет назад

      Sure you can. But if want to build yourself a big sub for the house, I'd suggest getting a better driver. The specs tell the whole story. It's not a good driver.

  • @mariusolsen9365
    @mariusolsen9365 5 лет назад +2

    "Ground Zero the germinator" next :)

  • @gioarteaga3984
    @gioarteaga3984 7 лет назад

    great unboxing EXO... keep up the good work for 2017👍👍

  • @decdeo4994
    @decdeo4994 6 лет назад

    i want that CRAZY thing for home use :)

  • @electricedge4383
    @electricedge4383 4 года назад

    Watching this instead of doing my work

  • @zmohan69
    @zmohan69 7 лет назад +1

    I've been watching you from the beginning and I don't think I've ever heard you swear as much as you have in this video

  • @amandacoder3480
    @amandacoder3480 3 года назад

    What you should do is make the size of the speaker and then put the speaker in and get supports and then just hook everything up and hook up with the amp in the box and then get an eye on battery and put it in there like that that's what I think

  • @JoeJ-8282
    @JoeJ-8282 7 лет назад

    "That is something to grab right there! That's a fistful!"... Man, you're on a roll! LMAO!!

  • @fratzentoaster
    @fratzentoaster 6 лет назад +3

    I‘m pretty sure, there is a magnetic fielf around your house and cars, now we now where all these planes went🤔😂

  • @TOM4SS
    @TOM4SS 7 лет назад

    I think you should build a bix for it and have it work along with the two towers and maybe have a projector or something as some kind of cinema room or something and have the box tuned stupid low around 25hz to give movies amazing effects, or for music as well. It might take up some space though.

  • @xaytana
    @xaytana 7 лет назад

    Do a transmission line box on this. Whatever it's tuned to should be loud as hell.

  • @markymark247
    @markymark247 7 лет назад

    If I had the space I'd stick it right on my rear deck with the cone blowing into the trunk and the whole motor showing in the back window 👌🏼👌🏼😍😍😍 I need this job so I can pick up some new audio 😔 I blew a 10 inch a day before Valentine's Day, but I'm in love with audio so I spent the 14th carefully pulling the cone and spider and taking out the old voice coil... got some nice aluminum, just need a rig and the right gauge copper to wrap a new voice coil... any tips on wrapping voice coils?

  • @Grey-sf4zo
    @Grey-sf4zo 7 лет назад +6

    ported to compliment your home theater setup?

  • @mikemccabe952
    @mikemccabe952 7 лет назад

    I agree I'd just build a nice solid ported box to keep box size down and sound quality up dat way its not just a 1 note wonder sub

  • @redjenkins4128
    @redjenkins4128 7 лет назад +1

    i have a idea you can build a slot ported enclosure for the sub and then after you are done having fun with it just send it to me and i will put it in my car and compete with it lol just joking awesome sub man and great video

  • @jessicaembers924
    @jessicaembers924 4 месяца назад

    Ya-HOO!!!
    It's a monster

  • @thomasbyers9153
    @thomasbyers9153 7 лет назад

    You did a Lamar Wilson on that box with the big ole knife.

  • @Dragginhombre87
    @Dragginhombre87 7 лет назад

    I was like, don't stab yourself EXO!! lol