No Other Design Sounds Better Than This - Infinite Baffle - 8,000 Watt Test - Part 1
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- Опубліковано 26 лип 2024
- Checkout this infinite baffle car audio install, for an 18 inch Skar Audio SDR-18 subwoofer. This is the best sounding install I've ever done.
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#skaraudio #sdr18 #infinitebaffle #budgetbasshead - Наука та технологія
If I remember correctly, Richard Clark did this in either a late 80’s Buick Grand National or a Ford Thunderbird, back in the late 89’s early 90’s. He was the king of SQ back then. Won tons of trophies from IASCA sound competitions for several years. He perfected the system by going to an aperiodic set up for the subs. This requires a semi-permeable membrane that again if I remember correctly was the rear panel of the enclosure. He then further perfected it by coming up with his own product that went over the face of the sub like a grill. Apparently it allowed for an almost ideally damped response curve. He used 15” subs, with the speed of 8” subs and nearly flat response down to 20HZ. His system was compromised of (2) waveguide horns under the dash, (2) 10” mid/mid-bass, and (2) 15” subs. (3) Alpine 250 watt x2 amps to power the speakers. Back in the day it was considered the best of the best. Love what you are doing, keep it up.
Explain what “speed” of an 8 inch sub means.
A 15 inch sun playing at 33htz moves 33 times per second.
A 8 inch sub playing 33 hertz also moved 33 times per second?
So how is one sub faster than the other?
I’m not trying to be a smart azz, just trying figure it out!
When referring to “speed” of an 8” sub. It is reference of what also may be called attack & decay. How fast a speaker starts and stops when producing a frequency. Attack is how quick it starts, decay is how slow it stops. Due to sheer size\mass differences between an 8” and 15” sub, the 8” will start and stop quicker. With an aperiodic style enclosure, this dampens the speaker in an ideal way. It helps large subwoofers stop much faster. In essence you can select a slightly higher crossover frequency as the larger sub will react with less unfavorable effects. Ie. say 80-100HZ versus 50-60HZ for a 15” sub. Hopefully this helps with my initial statement.
What's the deal with horns? I hear a compression horn can act as a mid and tweeter simultaneously and highpass from like 400hz up. Is it in any way possible to have an SQ setup that's 3-way (sub, midbass, and whatever, or sub, mid, and tweeter) that gets 145-155db on the sub stage with the front stage more or less keeping up with it? (more for the low side of that SPL, less for the high side)
Size constraints are a small single cab truck with a manual trans (so no speakers in the kick), and I only want to use AT MOST half my truck bed for the blow-through box(roughly 16.5 tall x 40 wide x 36 long/deep dimensions, can extend to 17 tall x 52 wide, but only 20 deep if doing a slot loaded IB blow through with three SI SQL-15s). I'd really prefer than nice round 150, and 155 is about my soft tolerance limit for bass. Haven't heard a 160+ car yet from the inside and kinda don't care if I do since that's not a goal of mine.
@@Drunken_HamsterTitanium Diaphragm compression drivers play a higher frequency and can be used without a tweeter. A phenolic diaphragm compression driver can be used to play the midrange frequency’s.
Titanium Diaphragm (1500hz and Up)
Phenolic Diaphragm (500 and Up)
@@ShaahidJohnson Sounds like I'd still need two drivers to cover the midrange and highs. If so, wouldn't I be better off just sticking to the traditional midbass+mid+tweeter combo?
I remember back in the day, I used to do the free air systems like this using the kicker subs. It's good to see something like that being done today. I haven't seen this in a long time...
My pops always talk about the 2 kicker free airs he had in his 79 grand prix... Would love to hear how these sound in person
@Kfmeden Man they sounded good back in the day, nice and clean. Saved a lot of space too....
I had 2 MTX "enclosureless" 15s (the grey and pink ones) in an infinite baffle setup back in the early 90s in my 2 door Chevy Cavalier... Ran off a Kenwood 821 amp. That thing slammed for it's time.. Ahh the memories bro.. haha
Great idea when it comes to a seat down trunk build.. fantastic job brother.. not only did you save your trunk space for when you need it but you also saved a ton of time not having to build and tune a box, or having to buy materials.. bravo 👏
Thanks 👍 This was simple and LOT more impressive than expected.
I like it!
@BudgetBassHead wus the name of the song?🔥
@@BudgetBassHead what did it cost? Thinking of getting bk in the game been out since 13
@@michaellazenby6712 The scar audio SDR18s are less than $150 a piece
This really takes me back! Over thirty years ago I did this in a Nissan pulsar with a couple of cheap 12” Crunch. I used a plate that was made for a Camaro and it just happened to fit perfectly behind the back seat. I never even bolted it down lol.
I absolutely love that set up. I'm also a sound quality guy as well. I bet it sounds KILLER!!! Great work Sir! 👌🏽👍🏽👊🏽
I did 4 12” Fi IB subs in a 90’s Cadillac Fleetwood using this method. I went way further though and cut the entire rear deck out and built everything up with MDF and use expanding urethane foam to fill the quarter panels to seal the trunk from the cabin. It played lower than any other system I ever built and only needed 500w per sub. Still my favorite build ever. Not many people know much about infinite baffle designs and there advantages. Well done.
Wow you crazy just my type gangster shit 😍
IM TRYING TO DO THAT EXACT THING RIGHT NOW!!!! ANY IDEAS OR TIPS PLZ
@@Sebastian-vt7fe really depends on the car and your fab skills and size subs
This is a true old school setup. I remember a buddy of mine ran 2 MTX Blue thunder 12" subs in an infinite baffle setup in the back of an old Cavalier - sounded so good to my 15 year old self lol.
OMG!!! That sounds so amazing to my ears. I plan to do a set up similar to this in a 2007 Chevy Cobalt sometime soon. I do a lot of traveling and love to listen to my music while doing so. This kind of setup will make my travels so much more pleasurable. The bass wasn't overpowering at all. That's exactly what I wanna have going. Highs, midrange, bass, and finally the sub bass. All working together. Thank you so very much for the video.
Bruh, your videos are always 🔥mane! Regardless of me doing this back in the eighties, I learn new things everyday fam. I love your video cause their very inspirational to keep me going forward in the car audio game.
I did an infinite baffle build when I was young. Wasn't rattling the car but it played really well surprisingly.
I learned more watching this video than any video. i like how he explains everything in simple detail, exactly what i need to hear. Thank you, man 🙌🏾
& I gotta say…Of all the car audio videos going on out there, I love em all, but I’m always super excited when I see that you put a new one out because I do enjoy your videos immensely. Keep up the great work my friend!
I appreciate that!
As a SQ guy I absolutely love IB sub setups even over a sealed box. I bet this sounds amazing
Hey would this set up be better than 2 sa 15’s
Why is infinite baffle better for sq?
@@jmohammed5487 Flatter frequecies across bass bandwidth. Less peaks.
why would IB be better.. wouldn`t the trunk rattle
@@QuezJ81 that`s what you get with a sealed box, id be very surprised if a IB would sound better then a sealed for the vast majority of cars
Brings back memories from the 90's. Very cool. Keep being you. 👍👍
Glad to be gettin another fun video from you bro! Killer slap together set-up experiment. Imagine if you double baffled, sealed, and dynamatted every thing DAMN!!! 🔊🔊😎
I agree. This setup has real potential
I think you did an amazing job showing the difference between SPL and SQL ultimately it’s about the driver and what they wanna hear and you have give a demonstration of just that good work
Way back in 2002 I build a infinite baffle with 2 dvc 100w 12” Realistic subwoofers in my 90 Mazda protégé. It was loud, accurate and clean. Ever since then I’ve always been a huge fan of infinite baffle and T-line builds. With the infinite baffle build you hear the subs not the box
Man that sounds clean and precise. Love it 👍
That's badass dude! This is my first time seeing something like this. Sounds great!
Wow dude. This is probably the best sounding system I have heard on yt
Did this with two Chevy Novas , the mid 70s sedans. Worked out great. Used double thick baffle, bolted to the metal lip, rear deck braced up as well. Lots of dynamat.
Considering how friggin huge even the smallest sealed box is for these drivers, I'm not surprised at all this worked so good. I've done this before WAYYYYYY back and usually had really good results. I would have gone all OCD to make sure there were zero edge leaks and mounted a panel under the rear deck smashing a thick piece of foam in between just to make sure there was no edge leakage. Good job 😁
Sounds perfect to my ears. Nice setup. I want something like that in my 07 Monte
Very interesting. I thought about this for saving space under a back seat in a truck but didn't know it would work. Nice job I'm definitely giving this a try
Love infinite baffle. Only did it in a vehicle once and it was awesome. Sadly that vehicle was totaled right after I finished the build by fully sealing the baffle with spray foam. I didn’t get to video the final product but there’s a short clip of it unfinished on my channel.
I've done this in a civic with the 15" version of this sub, a pair actually. On about 300w I was quite impressed, even coming from a 5kw 18" ported sundown setup. Next up I'm doing 2 cheap NVX 15s IB in an Accord. Well done, sir!
Thanks for sharing
looking at this video, when i’m finally over my hard hitting 15 in a huge ported box, i’ll definitely try this & get the most out of my 15’s SQ on clean power! i’m sure you purely hear the sub frequencies in the music and no extra rattle or tones!
It's always great to seeing other car audio enjoyers tinker and play with their setup(s). Testing, tuning, tweaking minute things.
Couldn't agree more!
I think since you don't need all the wattage that your amp puts out, running the subs at 4 ohm load would greatly help your S.Q. because most amps run there lowest distortion at 4 ohm... Take the time to completely seal around the edges also. Good video!
Agreed. Takes out that strained sound from the bass/music.
@@wilsonrawlin8547 We are talking about subs here, todays monoblock amps are meant to be used at 2 ohms or below, running at 4 ohms is a waste of available power, He is running this at 1.2 ohms. nobody wires subs at 4 ohms??
@@jimhanson8370
Not true at all many SQ people run at 4 ohms for cleaner sound.
BTW I didn't same a damn thing about what Ohms to run your monoblock subs at.
@@jimhanson8370 not true, the car audio shops always wire systems up at 4 ohms. I didn’t learn about 1/2 ohm until UA-cam. And I’ve had sounds in every vehicle since a teenager. I’m 47 now 🔊
@@jimhanson8370 What are you smoking? Nobody does 4 ohms, unless they're doing 4 ohms. How many amps have you burned up?
Makes me want to try this with my 12's. I'm not running near that amount of power, just a jp8 but just for curiosity sake. Great video, love how excited you sound!
This setup genuinely surprised me!
You got me wanting to do a infinite baffle set up soon! Cool video man!
I HAD A BAFFLE BOARD DESIGNED PERFECTLY OUT OF CHEVY CAVALIER FROM THE 90’s. FLIP MY SEATS DOWN AND SPEAKERS WERE BEHIND SEAT . BANGER
Man I love watching 18s work. I need a set
I say, 'Go for it!'
@@BudgetBassHead l like the way you think. Now just to convince my wife lol
I love the simple look in addition to the retained trunk space. That sounds like a win to me. I remember back in the 80’s and early 90’s that was a pretty common set up. Cerwin Vega made a sub specifically for this application. I believe it was the Cerwin Vega Stealth free air series and they had black surround instead of their classic orange surrounds.
7i7í
MTX Eliminators
Yes ..Yes.. I did that (cerwin Vega) in 1986 with a 1968 Camaro.. Rockford Fosgate power 650.. pioneer mid & tweet... with a Kenwood pull out cassette radio...fond memories
Correct....I remember them particular drivers knew someone had a pair in a sealed box in a hatchback an it banged
Awesome man, thanks for sharing. I've always loved infinite baffle, only seen them in cars when I was a teen and was always amazed when I seen and heard them. Too bad I'm in a tahoe right now lol.😂
Hey man, as always you are greatly appreciated and thank you for your time
Man this is simply incredible. Well done all around👍🏼 that thing was flexin pretty damn good for an infinite baffle I could only imagine how good it sounds in person.
This is the build, you just take them outside first and set it to 5 and let it rumble the neighborhood with a low vibe; quote a box price of $8000 and from the look on their face adjust the price/bass accordingly. If they wrap their legs around you and kiss ya, then you turn the bass way down of course; all negeotions first before romance....
You might could gain a point or two by sealing the baffle with spray foam. Line all surfaces with aluminum foil to protect carpet and such, then foam around perimeter. To answer your question, YES I would do this and actually considered doing it with those subs. Another idea I had was to do a B-pillar wall with 4 single 4ohm 18"s, such as Rockville RVW1800 or Dynavox 18"s. Woofers are about a hunerd bucks a copy and don't need a ton of power to get loud. Thanks for sharing, BudgetBassHead.
Don't go to Rockville they're s***.
great video bro..in the 80's I had open air speakers in the trunk in all my car's and pounded so hard like they were in a box.
that sounds really clean even with youtube audio and your mic. very impressive.
im done with boxes. this is the way to go.
Glad you like it!
@@666Necropsy The first time I tested a dipole sub with some super crappy 12" in a small room, I was instantly amazed because of the details. Even though the sub was totally busted. I kept thinking about it and ultimately got a car that had a trunk that was almost like made for having a sub in the middle. Did an install with good 12" sub and fell in love about the idea where there is no enclosures (for the bass at least).
Then after years I got two 18" Electro-Voice DL18MT's, old 90's PA subs for cheap and just fitted them on a big board. I tested them outside, as I'd been dreaming of a sub bass capable small(ish) PA -system that doesn't make the neighbours or anyone living nearby mad (even at like multiple miles away). Nowadays I myself pretty much hate the overly high SPL -oriented cars blasting some single note bass songs nearby. So I can imagine how it would feel waking up or noticing a bumping bass when you're going to sleep that just keeps on playing forever (in your usual forest raves, from 10pm to like 6am+).
For example one time we had just one simple big Peavey 2x18" PA sub enclosure and in the beginning of the night a few of my friends went close to the nearest house, more than a mile away (which also was behind a small hill) to check if the bass carries to there and when they got out of the car to listen, they said it sounded like there had been a party going in the nearby house.
I've tested the two 18" in a large wooden building and they went nicely down to 20 something Hz. One time I took them to a DJ gig in a really old bar in a wooden building. There I had some problems with uneven bass as I didn't have enough time to EQ the system.
I also had a pair of 15" "modern" car subs and they too sounded great outside WITHOUT an enclosure. And I bet the bass couldn't be heard after like 50 meters or so, but the first 10-20 were very nice. Inside an aparment they would shake the floor with Indigo Children (JLE Dub).
When I had the system in my car, I noticed that on the outside, the bass seemed to attenuate on the sides of the car, which makes sense as it worked kinda like a dipole. So I think one can blast their music much louder with a free air/infinite baffle sub system than they can with any enclosure without messing with the people around.
That’s an insane amount of power for those subs, the trunk becomes a giant sealed box.
Not exactly. It’s not sealed at all. The point of IB is only to keep the front wave separate from the back wave. There’s no air suspension like a sealed box so the driver has to be rated for IB applications.
@@rickcharles5667 True that it’s not totally sealed however it will still be more than if the subs were out in the wide open
Using the trunk as the box is a great idea! I totally dig this. If it works it works
I like that you spread the word as far as motor size not being a major factor when you have that much cone area
Motor size means the sub will make more power and a bigger motor does more power than a tiny motor with same amount of wattage.
Yo man, I really like all you do. This build brings some ideas to mind. I think a double baffle and brace could improve sturdiness. And just to protect the subs from things in the trunk; leave it open back, but add somewhat of a tunnel box only about 8 inch. Then add vibration deadening to the back side. Just some thoughts, I tinned to over think things.😅
Seal the sides and dynomat the rear deck to close all the holes and will sound even better. Looks great!
Facts
Bro I sure wish I would had this year’s ago with my five hundred. Major props to you
I've done that in my home before. The quality of bass is like none other. 2 15s were mounted in my ceiling run by an Adcom GFA-555. :)
This is a beautiful simple build! I've always felt like big magnets and high wattage is for loudness, so anything over 10k was for the professionals. For a personal build i focused on a quality full range sound at a decent sustained loudness that's not blowing out my eardrums.
Works for me. The trunk closed is the box lol. And it wangs
always built this way back in the day. was always amazing. nice job sir
really enjoyed this video, definitely subscribing
Never done infinite baffle, but my understanding always was they’re great for SQ, less power handling and raw db than other enclosure choices. Your results seem to match that. I’ve hit 135 on 500 watts before but I doubt mine would play as wide a range as an infinite baffle setup would.
100% agree
I have a box like so many others, works well but there’s always the space issue. IB is definitely getting a hard look. Beautiful and functional solution if you’re into SQ.
Hell yeah! I love me some titebond 3
Although a large ported box with a low tuning will sound similar with extra headroom in the bass extension, or just adding a pipe that treats the trunk as a slightly leaky ported box and have a 15Hz tuning. The low resonance won't cost you output up higher either compared to the same infinite baffle. Whilst you can use your trunk space, it will restrict the sound a bit.
To make it more functional you can put a piece of expanded steel mesh across the back (same size as baffle board) and some black grill cloth. Then you can throw anything in the trunk and the subs stay protected.
Excellent tip! Thanks.
It can also change the way it sounds , like filling up the trunk with luggage would. Decreasing airspace. Could be better could be worse? Ive never had that car or those particular subs so i wouldnt know. The mesh and cloth would allow air to pass through, but at a much slower rate.
@@trollslayer8260 No, the expanded steel and cloth has no effect on the flow rate or sound.
I need to do my Acura like this
@@JasonWW2000 you have tested this and know 💯 that it wont? I have and aside from what i said the mesh can put runs in the cloth over time from air making the tightly streched cloth vibrate against the metal and unless you attach it in a permanent fashion to the trunk metal its gonna rattle like crazy
new to your channel love the work so far man real clean work old school straight to the point i love it
30 years ago I did a IB setup with a couple pioneer 12's in a accord. the main issue was rattling the crap out of the trunk exterior. With the same subs in a 4th order bandpass through the rear deck and it was the most amazing experience. Literally raise your hair with the sunroof open and no rattles on the car 20-80hz. Can't compete with your trunk space though!
WOW i have some pretty expensive earbuds in and it sounds amazingly awesome I can hear every beat every note everything sounds crystal clear sounds good man that sounds perfect like you said there's no need to throw all the power at it as long as you get what you want from it that's all that matters I give it a 💯 PERCENT 👍🏽👍🏽
Ear buds play low frequency 😂
I've considered doing an infinite baffle in my rear deck with smaller drivers, only because I need both the trunk space and the passthrough into the cabin to be able to haul stuff around for work. I'm also considering a shallow transmission line mounted to the underside of the rear deck, but I'm concerned about how a shallow, wide line would perform.
Those two 18"s look killer, though! Have you played it with the seats up, yet? :D
It sounds like crap with seats up. Almost becomes a fourth order bandpass. Rattles the trunk like crazy, but about a 50% loss of sounds in the cabin. I have to crank the power to hear it properly, which these subs can't handle. I would need the ZVX-18's to play with the seats up.
I have a single 15 hung from my rear deck so I could retain full function of the back seats. I'm not an spl type guy but who doesn't love bass.
My Fairlane show car has four 10's in the rear deck
@BudgetBassHead in my 2015 civic sedan I cut the rear folding arm rest with a ct sounds meso 12 inch Made it custom all the air would travel inside the car . The meso 12 gets extremely low for a box tuned High . Sounds really good
Old school installation!!! Like that setup no doubt. 30hz boom 💥 👌🏼 looks amazing
Loving your videos, appreciate it.
This is legit, never really thought of having the whole trunk as the enclosure. you def need some big speakers and a powerful amp for this build. Did you need to reinforce the trunk more or use dynomat?
you are very wrong, you dont need a ton of power for this, just a good seal and sound deadened cabin, check out ps sounds for these setups, he doesnt even have much power to begin with yet, he can make hair tricks
@Aaron_Jones No I didn't apply any 'additional' treatment, just yet. But I do plan to seal the entry a lot better.
I have to agree with you Josip. With the lack of compression, a lot of power wasn't really necessary for this build. When given a clean signal, it simply sounds good.
@@BudgetBassHead im having a hard time deciding making a good sounding wind machine against a big heavy box that will just get louder, but not sound as clean, if the infinuite baffle dont sound good, i will still have a baffle to use for a box, weird shape of the trunk is a pain in the ass, id rather just make a strong baffle, run low power and not have to worry about anything, hopefully
Try putting all your luggage in there and shortening up the space and then do a test and see what you end up with
That will make a great test. Thanks.
I’d say squeeze the subs together and port it into the cabin
looks killer in your truck from the front as well as the back great job sir
I love this bro! Awesome build!!
good job with your build big brother. keep up the fantastic work.
Fantastic set-up!! The more you seal off the trunk from the cabin, the louder it will be. The combined VAS for those woofers is only 4 cubes shy of the impalas trunk volume. Shoud hit Fs of 24hz, & easily play subsonic frequencies below 20hz with authority!!
love your videos my man. Great work as aleways
OMG!!! DUUUH just use your trunk AS A SUB BOX!! THIS IS GENIUS!!! now I wanna do this.
Great video quality, commentary and editing! I love Skar audio as well very good job man.
That trunk looks like something audio studio hidden but stills 95% functional!🌹
I’ve always wanted to do a wall build like that. Awesome work and video.
i was trying to decide how you would pull off an infinite baffle in an suv but then... yeah it's a wall lol.
Man... these are the woofers I wish were made in the late 70's... I was the Baffle Board guy most of the 80's... this sounds great... Nice video. Great explanation... Props. BDBD/2023
All I can say is thank you! I’ve been thinking about doing the same thing with my 2 12’s!
I ran a single 18" Fi BTL N2 in an infinite baffle setup in my Audi s4. I agree that infinite baffles are by far the best sounding setups .
Great job buddy 🙌
Sweet sub's you got there bro and a Really neat job you did FANTASTIC👌👍🔥🔥🔥
Budget, throw two 18” stereo integrity HT-18s in there
Replace the skars with these, I promise you will be amazed , nothing wrong with the skars but the stereo integrity are better and will handle more power (not to mention they cost 199 each)
even though on 200 watts they sounded almost as loud as 2000 watts in my build- it’s just and IB thing brother - down low they only need single to double digit wattage to create carnage inside your car……and down low I mean 10-30hz notes 😂
I’m one of the guys that begged you to try IB in the first place so I’m a long time viewer and appreciate your channel.
Peace brother
Love this, I did the same thing on my BMW, using EVLs 15s. Don't forget to mention that sealing the truck and getting subs with a qts around 0.60 for the best results.
Bad ass ! Always like the free air set up!
Nice build and as allways a outstanding video
This has always been my go to install for saving my trunk space! Always sounds amazing!
Did they literally just say “sounds better” and show Skar woofers in the same video?! Wow. No words. Just wow.
Is something wrong with skar?
Buddy of mine had 2 12 Pyle pros in a similar set up in a 1980 cutlass supreme , man that was the cleanest bass I ever heard and felt in any car at the time 😎
Awesome idea ,an those motors are ample for a build like that plenty ,an great amount cone area . I'm excited as well. It should turn out impressive with a nice seal around the baffle . Love your channel thanks for posting .
Love this, might have to try it out
I freaking LOVE my infinite baffle Image Dynamics IDMax 16"
Those subs are an awesome basshead bargain bro 👌
Thanks for the content 🙏
No problem 👍
Very well done and professional quality video.
I've got a spare SDR18 in storage, now I know what to do with it, thank you. They do sound good down low, for sure.
Hey that turned out great man nice job!
Glad you like it
"Something telling me don't do that" truer words have never been spoken 😂
🤯🤯🤯 that sounded real good
That's a good setup and good numbers 👍👍
I really like the design and concept to maximize boot space an still have good sound, I'm in!!!
Exactly what we use to do back in the late 80's to mid 90's in westside in Chicago growing up . Then we go out cruising up and down Chicago listening to classic HOUSE music 😁
Great build
I like this build thanks for sharing this keep it up amazing work😊
My Brother made a "Stealth Shelf" in his 1983 XR4i, basically an Infinite Baffle using the Boot (Truck) space as the Box and fitted 2 6x9's, powered off a Clarion Headunit, this was in 1990 ish and it just sent me down the car audio rabbit hole. I'm still upgrading my daily rides as I replace them!
Pioneer made the best "Free Air" subs back in the early 90's
The intro of this video was killer 🎉
I considered doing this with 2 15s to save weight & space but instead made a pair of small (about .7cuft ea)10" boxes with Infinity Kapppas (selectable impedence). Plenty loud at about 1000W but haven't tested spl yet. Recently modded the boxes with slaps 10" radiators. Definately louder and retains the SQ of a sealed system! I'd love to try this IB setup some time with the proper drivers!
Dude i absolutely love this very impressive
Sound really good 🔥🔥🔥🔥🔥🔥