What Is A DI Box (Direct Box)? | When & How To Use One

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Do you need a DI box? A DI box (or direct box) is one of the most essential tools in audio production. In this video you'll learn what a DI box does and when you need one. I've included some audio demonstrations so you can compare the sound quality when recording with and without a DI box.
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Whirlwind IMP 2 Passive Direct Box
Sweetwater: imp.i114863.net/0JXNVV
zZounds: geni.us/c5WXy
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Guitar Center: guitar-center.pxf.io/P0Y6A6
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Radial ProDI Passive Direct Box
Sweetwater: imp.i114863.net/b3voYx
zZounds: geni.us/Dd89
Thomann: geni.us/thomann-radial-prodi
Amazon: amzn.to/32Qq6jr
Guitar Center: guitar-center.pxf.io/kjQokM
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Countryman Type 85 Active Direct Box
Sweetwater: imp.i114863.net/2rXNZO
Amazon: amzn.to/3uj2BuE
B&H: bhpho.to/3AO3SeC
BSS AR-133 Active Direct Box
Sweetwater: imp.i114863.net/3PXNgB
Thomann: geni.us/SRE9Dp
Amazon: amzn.to/3scicJI
Guitar Center: guitar-center.pxf.io/x9XNmO
B&H: bhpho.to/3Gl8075
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2 фев 2022

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Комментарии : 552

@WrvrUgoThrUR 2 года назад

The rare RU-vid video where the guy gets right to the point. No intro before, no sponsor before, not telling me to like and subscribe .0004 nanoseconds into the vid, no snark just CONTENT. Bravo, good sir, Bravo!!!!!

@brendenkiper4707 Год назад

I know I actually had to back the video up to the beginning at only 6 seconds in ‘cause I wasn’t expecting him to dive right in

@1mespud Год назад

I also like the fact that he wasn't trying to be comedic or clever in order to win us viewers over. Jumped right into the subject, no time wasted. Besides this, he should also give a RU-vidr 101 class.

@gerryfarrell4476 Год назад

So refreshing 😊😊

@ramencurry6672 Год назад

Agreed. No flashy annoying intro, no bad annoying jokes and no off topic meanderings. Also no creepy computer generated voice.

@Obsidi0n Год назад

No “without further ado”

@JayHelmus763 Год назад

This video is actually secretly an instructional video for how to make instructional videos. Straight to the point, well explained, no fluff. Bravo sir, well done.

@Maihab100 5 месяцев назад

Extremely Agree

@philbarrows424 4 месяца назад

I fully agree👍🏻🏁

@sk8pinkfloyd Месяц назад

Yes it is!!

@vasst4506 2 года назад

As a student of audio engineering, your channel is a true blessing. You've helped me improve in both knowledge and practical skill. Thank you so much for what you do!

@AudioUniversity 2 года назад

Glad to help, Vasst!

@andrewmitchell3969 6 месяцев назад

@@AudioUniversityIf I connect a bss guitar to my mixer via DI box (with no bass amplifier) can the DI box protect the speakers from being damaged?

@WesleyWattley-xy4fg 4 месяца назад

Professor! 🇬🇧 @@AudioUniversity

@ajsmith4181 Год назад

Why can’t more instructional videos be like this….brilliant mate. Thank you.

@AudioUniversity Год назад

Glad to help! Thanks AJ.

@JD-kf2nz 2 года назад

Dude your videos are GOLD. I've been watching this channel on and off since it was very young, and I am not surprised at all but so thankful and glad for you that you're now over 100k subs.

@AudioUniversity 2 года назад

Thanks, JD! I really appreciate your support. Thanks for sticking with me all this time.

@defacres 2 года назад

Dude, I couldn’t agree more. I’m always excited to know what your next episode is going talk about. Really engaging content and real easy fundamentals for audio engineering. You’re awesome 👍🏻

@AudioUniversity 2 года назад

Thanks, Def Acres!

@riimaamusaa1211 2 года назад

So 101% agree with You. Probably in no time there will be 200k subs. He's amazing 💥

@pbk380 2 года назад

Just watched this video and really like the way you explain the use of the DI box. I have been considering using a DI box in my audio circuit to a very expensive Amature radio, you have convinced me it could be a help with audio quality. Thanks

@randomgeocacher 2 года назад

Connecting phones/computers: Radial Pro AV2 (stereo DI box) I keep in my bag as a rarely used problem solver but when I need it, it delivers! Usually you can connect monitor/line outs directly into camera line/mic combo inputs and you’ll get excellent or at least usable sound. Some equipment you get really noisy audio even over short cables, you put that DI box in between, and you’ll mount your XLR input box, and suddenly the audio is pristine. So really great thing to have in the bag if you don’t know equipment at the venue or if any weird / unexpected connection request may emerge.

@christopherharv Год назад

Man these videos are such a blessing, thank you. Would love to hear you get into ground loops. I'm just a guitarist who is trying to make his own awesome music, but I realize I need to understand deeper electrical things.

@Slurkz 2 года назад

Excelent video. Next level basics. So well explained, with proof. Thanks a lot! 💜

@AudioUniversity 2 года назад

Glad you liked it! Thanks for watching, Joris!

@mrratskins 2 года назад

This is an excellent video because it explains the "why" as well as the "how". Superb.

@grandrapids57 2 года назад

I never knew such a thing existed. As usual, we have here excellent teaching and selection of subject matter.

@Abihef 2 года назад

I use them though for recording anything that isn't a mic to protect my mixer. Especially the 20db boost and 20db attenuate are very useful when connecting loud devices and instruments or low level stuff. It allows me to connect line level and keyboard phones connection for example to my mixer side by side. Great stuff. And hot into the mixer but below Max mic level gives a great noise to signal ratio as you don't need any/much gain

@mikesmusicden 2 года назад

Great job of explaining things in a way that's understandable and clear. Very informative channel!

@AudioUniversity 2 года назад

Thanks, Mike!

@rheung3 2 года назад

wow wow among the most professional explanation with examples I’ve longed for. Thanks so much.

@AudioUniversity 2 года назад

Glad to help, Ronald!

@venusssharman5922 2 года назад

Have a couple DI boxes but never really understood the total science behind them until i watched your video - Thanks for expanding my understanding

@rakhimberdiyevt Месяц назад

I'm a guitar player who got a job at a music store that mostly sells live and studio equipment. While i knew some stuff, there was a shit ton to learn still to be a better salesman. Your videos help immensely

@grahamkracker456 Год назад

I watched like 3 videos on the subject before yours and the diagrams you had on screen gave me the "Aha!" moment that I needed. Thanks for your hard work and content!

@stowe07 Год назад

Thank you for making my life easier here. Endless blogs were confusing the hell out of me. This made it simple.

@robfriedrich2822 2 года назад

When they introduced the piezoelectric pickup for record players, they used the effect that is caused by high impedance sources on low impedance inputs, that it almost reverse the RIAA curve. High impedance is also the reason, that condenser microphones needs an active impedance converter close to the transducer. Therefore the early condenser microphones had a big housing.

@pauldritsas6047 11 месяцев назад

Awesome stuff brother. Keep up your great breakdowns. Thank you.

@El_Ruffian7 Год назад

Gotta say, I live AU vids, their smart, succient, and packed with info that is broken down. I come back from time to time just to brush up on my knowlagdge and definitely learn something new along the way

@loyolabenizer3888 6 месяцев назад

The Best Explanation about D.I.. I had a problem with the Output of my Effect Pedal and i had a feeling that it's the frequencies.. I decided to buy a D.I box but I'm a Bit hesitant because maybe it's just the way it sounds.. good thing i saw this video and it helped me a lot.. Thank you❤😊

@johnwolmack2293 2 года назад

Solid explanation! I had never understood exactly why the DI box is used the way it is. This is really going to help me moving forward. Thank you!

@AudioUniversity 2 года назад

I’m glad to hear that, John! Thanks for watching!

@alexworman Год назад

You've explained the cause of why I've always taken issue with how a guitar plugged directed into an interface sounds. Apparently it had to do with impedance. Didn't even know that was a thing

@frontcentermusician 2 года назад

Nice video. Direct and to the point. That's all you need!

@gmkbass Год назад

So, the point of this video I believe is that it never hurts to own one or two DI boxes. And so is the point taken. Thank you for this awesome clarification!

@tonyromeo4590 Месяц назад

thanks for putting this together............short, sharp and pitched at the right level............very useful!

@jayvillar5210 2 года назад

So many things i didn't understand about audio but your vids helped me a lot. Congrats for the 100ksubs!

@AudioUniversity 2 года назад

Thanks, Jay!

@manueltg1 2 года назад

While is a subtle difference by using a DI box the real reason for them to exist is to eliminate the noise catchup effect in high impedance cable runs, so if your purpose is to clarify or enhance the quality of the sound DI is not the tool but equalizers, compressors and filters.

@accentontheoff 8 месяцев назад

Would a DI help if I am going via a multi fx pedal (Boss GX100) into my interface’s instrument input. And where would you place it.

@zrellll 8 месяцев назад

@@accentontheoffif you're going to use it with a loudspeaker system, then BOSS GX100 Left or Right Output > D.I BOX > Audio Mixer > Speakers.

@zrellll 8 месяцев назад

@@accentontheoffin this case, since you're plugging into an instrument socket in your interface, chances are you're not that far from it. i usually use multi fx'es and D.I boxex to avoid micing up amps and if I want to go long cable runs

@accentontheoff 8 месяцев назад

@@zrellll Got it thanks. So there is going to be no automatic improvement in sound quality using a DI box? It’s just useful to cope with long cable runs.

@enzofiero2924 2 года назад

Something new that I didn't expect to see on your channel. Excellent information and explanation! Thanks for sharing and keep up the good work..

@MRxr400 2 года назад

for a guitarist who understands buffers, it's like adding an incredible buffer to your signal to retain all your sonic, frequency detail over long runs of cable, and using hum resistant balanced/shielded xlr cables. one thing to remeber, is if your producing noise pre the di box with your gear, a di won't fix it. you ned to fix your the week link in your signal chain first. same goes with a mic'd cab.

@anatolyzhivulko4883 2 года назад

Man, thank you so much! First time ever - easy and clear explanation why this di box is needed.

@AudioUniversity 2 года назад

Glad it helped! Thanks for watching, Anatoly!

@mariabr8954 11 месяцев назад

Your videos are next level information on audio engineering thank you!

@savvavoloshin4713 8 месяцев назад

Clear and helpful, with nice tests, thank you.

@futur_sunds 2 года назад

This was such a good and helpful video! Thank you so much!

@cellulose6322 7 месяцев назад

I use my DI in between my amp and speaker to tap the post amp out for recording and blend it with the pre-amp out and 2 mics....sounds killer!

@musicbymurph001 9 месяцев назад

you’re the man! all these videos are super helpful🤘

@alpoymachine8255 Год назад

Thank you!👍🏻 Now i understand more about DI Box and its proper usage. 👍🏻

@sergerymar636 2 года назад

Useful video. Thanks to you, I learn a lot of things and improve myself

@AudioUniversity 2 года назад

Glad to help, Rymar Serge!

@jesusgavemeaids 2 года назад

I connect my guitar & bass directly from the amp to the input on my 4 track recorder with no issues. Only problem I really have is getting vocal tracks to sound decent. I mean I have a cheap $10 dynamic mic but I've used it it the past with decent results.

Год назад

Thank you so much, this video is the best that I have ever seen about this topic, good job!

@AudioUniversity Год назад

Glad it was helpful! Thanks, John!

@nadtorus 2 года назад

Really helpful information. Thanks!

@raffaelrameh14 2 года назад

I always wanted to know this. Thank you so much!

@federicohernanbass 6 месяцев назад

Thank you! Very clear and easy to understand 🙂

@VinhTran-rp2mk Год назад

thank you Kyle , this instruction is great .

@RobVespa 5 месяцев назад

Thanks for this video! You just saved me money. I was about to buy a bass amp. Granted, I just bought a guitar amp, so I wish I'd found this sooner... I'm surprised that devices like DI boxes didn't exist long ago (unless they did). Now I'm interesting in looking into these and the amp simulators. Very cool.

@k4vms 2 года назад

I just discovered you channel. Your presentations and materials in the presentations are excellent. Also the presenter is very good. I learned a lot and received the knowledge I was looking for. I’ll keep watching. Thank You !!! Ricky from IBM, Ret

@AudioUniversity 2 года назад

Thanks, Ricky!

@k4vms 2 года назад

@@AudioUniversity Your very welcome !!!!

@JoshTolbertUrbana 2 года назад

A few things... 1) I love seeing that Mackie CR1604 over your shoulder. That was the first big analog mixer I cut my teeth on, and they are great for what they were. 2) My bandmates have been salty about me forcing everyone to DIs and IEMs instead of big amps and floor wedges on stage. Don't care. :D

@jerrymedina1973 3 месяца назад

A very thankful noob appreciates you and your vids my man !

@ignatiussilveira4257 Год назад

Thank you sir for sharing your knowledge. It was helpful.

@HarvinderSingh-yy8th 4 месяца назад

Excellent knoelegeable video for profession studios with all physical specs. After Bandrew I will also watch your channel.

@thunderstein5041 Год назад

fantastic video! i know understand why my guitar sounds so muffled through my focusrite. subbed now! 🎉

@RichInternationalAir 2 года назад

Liked and subscribed! Very helpful overview, thanks. 🎸

@h3llonearf697 2 года назад

Your vids are very helpful! Keep it going mah man! :)

@AudioUniversity 2 года назад

Glad to hear that! Thanks for watching.

@shivkumarnadar4893 2 года назад

Your each videos are simply great easy to understand you are Guru,(guide, teacher...) for me..

@AudioUniversity 2 года назад

Thanks, Shivkumar!

@bheinaudiobenson2393 5 месяцев назад

Thank you for the good tutorial Sir,. .very useful to me.

@leeahegg2377 2 года назад

Thanks so much for your advice!

@maestrovonhuge9397 2 года назад

Bro, thanks heaps, I'm just starting out and have bern starting to think about how to clean up a signal/sound, so on the money, cheers

@cruepprich 10 месяцев назад

This is finally clear to me. Thanks!

@falkorock 2 года назад

Thanks for the tutorial, great input! FR

@toddfritz4412 Год назад

Thanks for the simple explanation.

@Bluesman78 5 месяцев назад

Great instructional....right to it!

@humblegeorge 2 года назад

You did a great job ! Thank You.

@baassik8419 4 месяца назад

Thank you; love this video

@DaveGardnervideos Год назад

I love the Rush riff he used.

@user-kc4hd6qu5g 2 года назад

I always preferred to run a line out post as opposed to pre as I wanted the amps tone. I used good amps like Mesa Boogie, Ampeg, and Genz Benz. This also allowed me to mute the sound when changing basses so I didn't have to get the sound man's attention prior to unplugging to avoid the "pop". Best di I used for studio recording was an Avalon.

@AudioUniversity 2 года назад

Great points, R! Avalons are amazing.

@frostriver4547 Год назад

Yes! It does depend on the amp. I run post on an Epifani. Never had a complaint from an engineer and the playback always sound great

@aaronwesly9927 2 года назад

This was useful. Thank you.

@aningatup3197 Год назад

Nice info dude !

@AJMusicUganda 10 месяцев назад

One of the best videos on you tube

@riff1964 25 дней назад

I wish People would stop talking about high and low impedance signals, I think that is confusing to non-professionals. “Signals” do not have Impedance, which is a property of the hardware. Impedance is “resistance to alternating current” (our signal is a very weak alternating current). it is much more correct to talk about signal level and high & low impedance sources or outputs and inputs. The presenter correctly says that the DI box is a [unity] transformer which isolates two circuits with different impedance levels. Remember we know that an alternating current (ie. Our signal ) will pass through a transformer. Overall I like the video, just my “signal” impedance rant.

@AudioUniversity 25 дней назад

That’s helpful feedback. I’ll keep this in mind for future videos. Thanks.

@festexplorerindia6647 2 года назад

Thanks for your service 🙏🏻

@AudioUniversity 2 года назад

Thanks for watching and supporting the channel, Angoam!

@robfriedrich2822 2 года назад

My attempt is, that most signals as possible go balanced to my mixing console. To use some non balanced stereo inputs, I have a stereo compressor, with XLR ins and Jack output and a DI/Splitbox, that has Jack, RCA and XLR as in and out and can turn any non balanced input into balanced.

@dannybourne_ Год назад

*SUBSCRIBED* Incredible infotainment.

@AnilKumar-zo2eu Год назад

Thank you so much sir for your packaged information

@dansonkibera2217 Год назад

So helpful , I now know where and when I need to use a DI box, thanks

@AudioUniversity Год назад

Glad to help!

@alxd5068 Год назад

thanks i need to review this some!

@tukoramirez8478 2 года назад

Hi, thanks! Could you address mic passive splitters, pros and cons? Special considerations? Comparing the signals side by side. Regards

@basslobster 2 года назад

Great epispde. Thanks 😁👍👍 Greetings from 🇸🇪

@AudioUniversity 2 года назад

Thanks for watching!

@Hppmbanbury515 Год назад

Great information, thank you

@eggyboi1217 Год назад

I bought a behringer umc204hd and I know the instrument jack doesn't sound good on that model. Someone said a DI box would fix it but I didn't know how it worked. Thank you!

@peterhenson823 Год назад

had no idea the inputs on my Focusrite DAW could handle XLR cables😂😂😂😂😂😂thanks for sharing! definitely learned something there!

@GoFlyYourselves 2 года назад

Great video! (bonus points for using Reaper!) 😁👍

@englishguy9680 Месяц назад

I use a radial DI on my keyboards when playing live. What’s great is as well is taking out noise or potential problems from ground loops the sound from digital keyboards which can sound harsh takes on a smoother quality especially in the high end and the dynamics are less extreme similar to using a compressor. The signal being knocked down also allows you to also utilise the character of the preamps by running to a mic input rather than line so overall an acoustic instrument sound like a piano sample will sound less electronic and more like the real thing. I don’t play without a DI anymore

@truckerallikatuk 2 года назад

They can also turn line level to mic level. That's what I use mine for, taking the line level output from my DBX286 into an audio interface that just plain doesn't like line inputs.

@markpell8979 Год назад

Allison, I don't run across other Pells very often at all, and especially not in the music and audio world. I would like to find out if/how we're related. Maybe you could PM me on facebook so we could have a more secure way to communicate?

@hellbox5300 2 года назад

Thank you, greetings from Peru.

@praneethdhanushka207 2 года назад

It is a great presentation!

@AudioUniversity 2 года назад

Thanks, Praneeth! I'm glad you enjoyed this one!

@tengkusulaiman 2 года назад

I heard someone said the name is Direct Inject box, way back in 2003. Never knew the purpose of this DI until 2022. Thanks.

@AudioUniversity 2 года назад

That's right. Another name I've heard is "direct injection box". Thanks for mentioning that.

@SavedPulley Год назад

Like and Subscribed. Thank you for the blessing. Truly appreciate the info. God bless 🙏

@wuwliwonka 2 года назад

Thank you sir, thank you! ❤️❤️

@ununoctiu 2 года назад

Great video once again

@AudioUniversity 2 года назад

Thanks, Armando! I'm glad you're enjoying the videos!

@andreasoberg2021 2 месяца назад

Thank you! Sanity saved

@FARLANDER762 2 года назад

Reach out a couple of hundred feet of cable distance in a venue and unbalanced signals are probably unusable. Considering cable distance not linear distance, it doesn't take a very large venue to have a couple of hundred feet of cable (because you don't want every idiot in the room tripping, stomping, or spilling beer on your snake). I prefer active DI's, they just tend to be a little brighter over long distances. Yes, there can be some extra noise from having another amplifier in the chain but I generally find it tips the scale by having a stronger signal. And if the source is passive, active DI is the only way to fly. A basic passive DI is just a transformer inside, an active DI has a small (pre)amplifier in there. Great video!

@AudioUniversity 2 года назад

Thanks for watching and sharing your thoughts on this!

@akmt123 Год назад

Very good info. Cheers from Toronto

@AudioUniversity Год назад

Thanks for watching!

@SM57 2 года назад

Great channel mate👍👍👍

@AudioUniversity 2 года назад

Thanks for watching, G. F!

@aaronmichaelmusic_ Год назад

Great video, thank you!

@AudioUniversity Год назад

Glad to help, Aaron. Thanks for watching!

@nym053 Год назад

If you recorded the 2 audio clips over 2 takes, then of course it'll sound slightly different. You can even see on the waveform that they're not exactly the same. But I got my answer from this vid :) I don't need a DI box if my interface can switch to instrument inpedance.

@kintubeats 2 года назад

well explained!!

@utkalnetwork6060 2 года назад

Your my best teacher I'm always prefer and recommend to other see this channel

@AudioUniversity 2 года назад

Thank you! I'm glad you like the videos!

@jonathanphio 2 года назад

Very helpful thanks man

@AudioUniversity 2 года назад

Glad to help, Jonathan!

@rcknrol7258 8 дней назад

These were very confusing back in the day . A few of them were fried by people thinking you can go from your amps power output. Load boxes with speaker simulation( something that could have been used more ) were a bit of a secret/mystery back in the 80s and early 90s . The sans amp di preamp did miracles though ...played many a show with just that box, and reverb from the house .