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Behringer ADI21 V-Tone Acoustic Driver Direct Recording Preamp/DI Box

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The Behringer ADI21 V-Tone Acoustic Driver Direct Recording Preamp/DI Box gives you an unplugged sound that's rich, loud and electrifying. This amazi...Click To Read More About This Product

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OVERVIEW

Essential for piezo-equipped guitars.

The Behringer ADI21 V-Tone Acoustic Driver Direct Recording Preamp/DI Box gives you an unplugged sound that's rich, loud and electrifying. This amazing little box will make your acoustic guitar sound come to life!

By their very nature, piezo pickups tend to be very bright, with somewhat reduced bass response and warmth. The ADI21 combines the features of an active DI (direct injection) box with Behringer's proprietary microphone/tube emulation. If you don't want to use the emulation feature, the ADI21 also functions as a superb active DI box. The Blend control allows you to mix the amount of modeled tone with your instrument's normal output. The resulting sound is more natural with smooth saturation.

Armed with an onboard 3-band EQ, with sweepable mids to keep feedback under control, the ADI21 effectively eliminates the harsh harmonics of piezo pickups. The output is laid out on 1/4" TS or balanced gold-plated XLR connectors, which can be used to send a low-impedance signal to the mixing console or straight to tape. You also get a ground lift switch to eliminate annoying ground loop hum problems. You can power this little lifesaver with a 9 V battery or our PSU-SB DC power supply (not included).

Putting some acoustic glory into your recordings or live performances has never been this easy-or sounded this incredible.

FEATURES
  • Blend control
  • 3-band EQ with sweepable mids
  • DI recording output
  • Authentic tube/microphone modeling
  • Super-high impedance
  • Dual DI mode
  • Ground lift switch
  • High-quality components and rugged construction

Call or click to find out just how affordable great acoustic sound can be.

Reviews
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Review Snapshot

by PowerReviews
BehringerADI21 V-Tone Acoustic Driver Direct Recording Preamp/DI Box
 
4.2

(based on 29 reviews)

Ratings Distribution

  • 5 Stars

     

    (15)

  • 4 Stars

     

    (7)

  • 3 Stars

     

    (4)

  • 2 Stars

     

    (3)

  • 1 Stars

     

    (0)

85%

of respondents would recommend this to a friend.

Pros

  • Excellent sound quality (19)
  • Compact (17)
  • Responsive (16)
  • Versatile (13)
  • Good selection of effects (11)

Cons

No Cons

Best Uses

  • Home studio (19)
  • Performances (18)
  • Amateur recording (17)
  • Outdoor events / games (12)
  • Professional recording (9)
    • Reviewer Profile:
    • Experienced (15), Professional musician (10)

Most Liked Positive Review

 

Tubelike Response Great on Electrics Too

This is more than I expected and it is very dynamic. It advertises the simulation of tubes or a Tube Mic SIM and it delivers. Really is a great preamp. It also has...Read complete review

This is more than I expected and it is very dynamic. It advertises the simulation of tubes or a Tube Mic SIM and it delivers. Really is a great preamp. It also has two outputs and a blend control of the original signal with the processed signal. As soon as I saw this I plugged in my Electric guitar and rolled the blend knob to a setting that was so dynamic. In this case you will get original tone and dynamics along with processed tube compression it is like the best of both worlds. I ran it thru my multi fx and it sounded great in every amp. It gave the guitar sparkle and tube life. I usually talk about tube like response but not all tube response is good. This was good tone. I think it may be the best booster to a solid state amp or digital multifx pedal. You cannot go wrong here since it can also be used as a direct box with full control even without the tube emulation. The sound when plucked hard actually would get spanky. This is the perfect thing for that little bit of sparkle missing from our favorite twin tube amp sound that we try so hard to get. I used just a little in front of a hi gain amp model at half gain and it really have it genuine classic rock plexiglass presence. Also my guitar single coil strat middle pickup really sounded a lot like an acoustic electric. There is that old Doobie Bros sound I looked for, for so long. Long Train Runnin finally sounds snappy. The Acoustic Ovation also sounded full and present, no feedback. Solid weight and build weights 1 lb.

VS

Most Liked Negative Review

 

Soften the Piezo "quack"

Best feature by far is the softening of the piezo pickup. The tones are warm (almost tube like), but you will have to use an EQ if you want to truly blend the...Read complete review

Best feature by far is the softening of the piezo pickup. The tones are warm (almost tube like), but you will have to use an EQ if you want to truly blend the sound for a fuller, richer tone.

Mine didn't like the 9V wal-wart...smoked a bit, then I disconnected it. Mids are a bit punchy and there is a noted HISS (as is common with most DI units). I used a simple compressor to squash it. Overall, it does a pretty good job for the price. Nothing fancy, just does the job.

Reviewed by 29 customers

Displaying reviews 1-20

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(21 of 21 customers found this review helpful)

 
5.0

Tubelike Response Great on Electrics Too

By Marky Mark

from Pittsburgh PA

About Me Experienced

Pros

  • Compact Design
  • Excellent Sound Quality
  • Responsive
  • Versatile

Cons

    Best Uses

    • Amateur Recording
    • Home Studio
    • Performances
    • Professional Recording

    Comments about Behringer ADI21 V-Tone Acoustic Driver Direct Recording Preamp/DI Box:

    This is more than I expected and it is very dynamic. It advertises the simulation of tubes or a Tube Mic SIM and it delivers. Really is a great preamp. It also has two outputs and a blend control of the original signal with the processed signal. As soon as I saw this I plugged in my Electric guitar and rolled the blend knob to a setting that was so dynamic. In this case you will get original tone and dynamics along with processed tube compression it is like the best of both worlds. I ran it thru my multi fx and it sounded great in every amp. It gave the guitar sparkle and tube life. I usually talk about tube like response but not all tube response is good. This was good tone. I think it may be the best booster to a solid state amp or digital multifx pedal. You cannot go wrong here since it can also be used as a direct box with full control even without the tube emulation. The sound when plucked hard actually would get spanky. This is the perfect thing for that little bit of sparkle missing from our favorite twin tube amp sound that we try so hard to get. I used just a little in front of a hi gain amp model at half gain and it really have it genuine classic rock plexiglass presence. Also my guitar single coil strat middle pickup really sounded a lot like an acoustic electric. There is that old Doobie Bros sound I looked for, for so long. Long Train Runnin finally sounds snappy. The Acoustic Ovation also sounded full and present, no feedback. Solid weight and build weights 1 lb.

    (6 of 7 customers found this review helpful)

     
    5.0

    Great Sound at a Better Price

    By leegordonjones

    from Bradenton, FL

    About Me Experienced

    See all my reviews

    Pros

    • Compact Design
    • Excellent Sound Quality
    • Good Selection Of Effects
    • Responsive
    • Versatile

    Cons

      Best Uses

      • Performances

      Comments about Behringer ADI21 V-Tone Acoustic Driver Direct Recording Preamp/DI Box:

      I have a Taylor T5 and a Taylor GA214CE. Both use an under saddle PU that sounds pretty good, but still has that "plinky" piezo sound, even when run through a dedicated acoustic guitar amp (Fender AcoustiSonic). The Behringer ADI21 V-Tone Acoustic Driver Direct Recording Preamp/DI Box gets both guitars much closer to sounding like I'm just micing the guitar. Works great with the acoustic amp, but even better, it works just as well directly into the board or a regular guitar amp (I have several; mostly use either Fender SuperSonic22 or Fender Blues Jr). The box is pretty straight forward, just plug in and twiddle the knobs until you get the sound as close to the real acoustic sound as you can. For me, this means dialing back the mids and playing with the treble and bass depending on what system you're running through. Uses either a 9v or wall wart, and has both 1/4 inch or xlr outputs, so it can go into just about any amp or board. I've played several gigs with it and am tempted to buy another for backup, more out of fear that they'll discontinue it than that I'll kill this one as it seems pretty solid. And considering it's about 10 percent the cost of the Taylor preamp, it's a steal.

      (3 of 3 customers found this review helpful)

       
      5.0

      Outstanding Product!!!

      By Aluc4rd13

      from Pensacola, FL

      About Me Experienced

      See all my reviews

      Verified Reviewer

      Pros

      • Compact Design
      • Excellent Sound Quality
      • Responsive
      • Versatile

      Cons

        Best Uses

        • Amateur Recording
        • Events
        • Home Studio
        • Performances
        • Professional Recording

        Comments about Behringer ADI21 V-Tone Acoustic Driver Direct Recording Preamp/DI Box:

        On a limited budget, but didn't want a limited sound. Took a chance on this DI Box as an inexpensive answer to a preamp for my acoustic guitar playing in a large room (Church Sanctuary). Went ahead and bought the power adapter to go with it. The tone this thing puts out is incredible. The sound quality is comparable to a high end fishman preamp used for the same purpose. If your on the fence about this product, DON'T BE! There are some pretty strong opinions out there when it comes to Behringer, but they knocked this one out of the park. Very warm bass tones, punchy mids, and crisp highs. Having the ability to adjust all three directly on the box is awesome. You can stomp the box to eliminate the tube/mic modulator whenever you want/need and it emulates a passive direct box. A little too big to fit the inner compartment of your guitar case, but I would hardly define that as a problem given the performance. Can't wait to use this for recording. Playing live far outperformed my expectations. Simply Outstanding!

        (2 of 2 customers found this review helpful)

         
        5.0

        Great deal on a solid box

        By Douglas

        from undisclosed

        See all my reviews

        Verified Buyer

        Comments about Behringer ADI21 V-Tone Acoustic Driver Direct Recording Preamp/DI Box:

        I added this solid little unit to my acoustic guitar rig for use with a Taylor ES-go pickup. Whether playing through my amp or straight to the PA, this gives me handy control over volume and EQ. Nice and quiet operation. Nice heavy feel. Smooth controls. Great deal!

        (2 of 3 customers found this review helpful)

         
        5.0

        Great Deal!!!

        By Jose

        from San Francisco

        About Me Professional Musician

        Pros

        • Excellent Sound Quality
        • Responsive
        • Versatile

        Cons

          Best Uses

          • Amateur Recording
          • Events
          • Home Studio
          • Performances

          Comments about Behringer ADI21 V-Tone Acoustic Driver Direct Recording Preamp/DI Box:

          Nice pre-amp/direct box. It does everything that was advertised. When testing it, I moved it next to a wall wart and it picked up a lot of 60hz hum from the wal-wart. Granted, I put the top of the ADI21 close to the wall-wart. I wouldn't necessarily do that in real life. Taking the thing apart, I noticed it had a nice base plate made of sturdy and thick metal, but the purple plastic cover did not have any shielding. I took it apart and lined the box with copper foil. No more hum from anything. It is very quite now. While it was apart, I noticed the foot switch was held in place by two screws into plastic standoffs directly molded into the plastic case. Eventually, plastic dries out and looses strength. I expect this is where it will most likely fail 10 years from now. Nonetheless, for what I paid you can't go wrong with this box. Great for violin.

          (2 of 3 customers found this review helpful)

           
          5.0

          Great buy!

          By JohnB

          from Michigan

          About Me Experienced

          See all my reviews

          Pros

          • Compact Design
          • Excellent Sound Quality
          • Responsive

          Cons

            Best Uses

            • Amateur Recording
            • Home Studio
            • Performances
            • Professional Recording

            Comments about Behringer ADI21 V-Tone Acoustic Driver Direct Recording Preamp/DI Box:

            Needed something to warm up the sound of my Ovation and Guild while performing on a worship team and the Behringer ADI21 does the trick. It had a hard plastic body instead of metal but, it is sturdy and sounds great. Great price, great sound!

            (2 of 2 customers found this review helpful)

             
            5.0

            Makes My Guitar Sound Like It's Mic'd

            By GH8S_qOGw

            from Alabama

            About Me Experienced

            See all my reviews

            Ask me a question

            Pros

            • Compact Design
            • Excellent Sound Quality
            • Good Selection Of Effects
            • Responsive

            Cons

            • None

            Best Uses

            • Amateur Recording
            • Events
            • Home Studio
            • Performances

            Comments about Behringer ADI21 V-Tone Acoustic Driver Direct Recording Preamp/DI Box:

            I've wanted something for a long time that would get rid of that annoying piezo quack and give me a warmer sound. But all the other acoustic drivers seemed a bit overpriced though I was afraid that if I bought something this affordable it would be wasted money. After all "you get what you pay for". After reading many good reviews I decided to give it a try. BOY AM I GLAD I DID! This thing sounds awesome. There's no notch filter but there's one on my guitar. Between that and the sweepable mids feedback isn't a problem. The sound is sweet, natural, and warm. I would also like to add that you can use both the quarter inch and the XLR outputs at the same time to send a signal to your amp and to the house system. The biggest complaint people seem to have with Behringer pedals is that they are made of plastic. Well have you noticed how thick the plastic is? Unless you plan on running over them with your car they aren't gonna break. Also I use a power supply with it and haven't experienced the problems others have listed. In fact I accidentally left it plugged in and turned on for 24 hours and it still works fine.

            (2 of 3 customers found this review helpful)

             
            4.0

            Good value for a little cash

            By Irishdad

            from Jamestown, North Dakota

            About Me Professional Musician

            See all my reviews

            Verified Buyer

            Pros

            • Compact Design
            • Flexible
            • Responsive
            • Versatile

            Cons

            • Footswitch A Bit Noisy

            Best Uses

            • Events
            • Performances

            Comments about Behringer ADI21 V-Tone Acoustic Driver Direct Recording Preamp/DI Box:

            I needed an acoustic DI box quick and with a small budget for the project. This unit absolutely did the trick. I used the battery option because of the questionable power supply at an outdoor event. The tone absolutely dialed in with just a couple minutes of working the knobs. The footswitch is a little noise and I would hesitate to use this in a small studio or home studio with an open mic while kicking it in. I have a mid-90s Telecaster that got a very nice acoustic-like tones through this box. Just for fun, I ran my Seagull S6 through it for a post-festival wind-down. It gave my acoustic electric a nice full sound and actually helped me overcome a less-than-perfect tone in the house mix. I'm considering getting a second one. At this price, it's an absolute bargain.

            (1 of 1 customers found this review helpful)

             
            4.0

            AD121

            By morgan

            from Thornton, co

            About Me Professional Musician

            See all my reviews

            Verified Buyer

            Pros

            • Compact Design
            • Good Selection Of Effects

            Cons

            • Poor Sound Quality

            Best Uses

            • Amateur Recording
            • Home Studio

            Comments about Behringer ADI21 V-Tone Acoustic Driver Direct Recording Preamp/DI Box:

            Needed a pre amp for my acoustic that didn't break the bank and this fits the bill. Works very well for what I want to use it for but it is a bit noisy. Seems to come from the mid control mostly so I turn it down just to where there is hardly any noise and adjust my amp to compensate.

            (1 of 2 customers found this review helpful)

             
            3.0

            Sound is good construction is not great

            By Pepper

            from Spring, tx

            About Me Professional Musician

            See all my reviews

            Verified Reviewer

            Pros

            • Good Selection Of Effects

            Cons

              Best Uses

              • Amateur Recording
              • Home Studio

              Comments about Behringer ADI21 V-Tone Acoustic Driver Direct Recording Preamp/DI Box:

              I bought this to eq and amplify my Yamaha acoustic. It works as intended sound wise, no issues there, but the stomp button needs to be modified, it states pushed down, you physically have to bend down to disengage. I opened it up and loosened some screws to relieve some of the tension that kept in place and now it works great, 3 stars because you have to modify, but other than that works and sound good

              (1 of 2 customers found this review helpful)

               
              5.0

              Behringer ADI21 V-Tone Acoustic Driver Direct Recording Prea

              By Tom

              from Columbus Ohio

              Verified Buyer

              Comments about Behringer ADI21 V-Tone Acoustic Driver Direct Recording Preamp/DI Box:

              The price is right and the unit performed well in a live acoustic guitar open mic performance.

              (1 of 1 customers found this review helpful)

               
              4.0

              A Bargain

              By Bruce Kerr

              from Southern Illinois

              About Me Experienced

              See all my reviews

              Pros

              • Compact Design
              • Excellent Sound Quality
              • Good Selection Of Effects
              • inexpensive
              • Responsive
              • Versatile

              Cons

              • no cons

              Best Uses

              • acoustic rig
              • Amateur Recording
              • Events
              • Home Studio
              • Performances
              • Professional Recording

              Comments about Behringer ADI21 V-Tone Acoustic Driver Direct Recording Preamp/DI Box:

              I bought this on the offhand chance that it would improve my acoustic sound. It's great! Nice volume boost and sound tweakability. I just couldn't bring myself to spend too much on an acoustic preamp pedal and gave the Behringer a shot. My Breedlove sounds a little thin without it, but I mainly use it with my Ibanez acoustic. It has sliders and I play through an Acoustic brand 50 watt acoustic bass amp I purchased from MF. It's the wedge and they seem to be out of them now. Works perfectly with an acoustic guitar! I've always thought most amps for acoustic guitars sound too tinny. Problem solved. Just thought I'd put my two cents worth in. I recommend the Behringer pedal. With it on or off the difference is night and day!

              (1 of 1 customers found this review helpful)

               
              4.0

              Great bang for your buck !

              By JD

              from Frankfort,Ky.

              About Me Experienced

              Verified Buyer

              Pros

              • Compact Design
              • Excellent Sound Quality
              • Good Selection Of Effects
              • Responsive
              • Versatile

              Cons

              • 9 volt ac adapter

              Best Uses

              • Amateur Recording
              • Events
              • Home Studio
              • Performances
              • Professional Recording

              Comments about Behringer ADI21 V-Tone Acoustic Driver Direct Recording Preamp/DI Box:

              I use it to give my or lr baggs pickup more tone control. It's does the job well, it's a great value the only con I have is that I wish the 9 volt ac adapter came with it. You just have to remember to bring extra 9 volt battery along.

              (1 of 2 customers found this review helpful)

               
              5.0

              little sucker works!

              By Balzafun

              from Climax, NC

              About Me Experienced

              See all my reviews

              Pros

              • Excellent Sound Quality
              • Responsive
              • Versatile

              Cons

              • Wish It Had A Belt Clip

              Best Uses

              • Events
              • Home Studio
              • Performances

              Comments about Behringer ADI21 V-Tone Acoustic Driver Direct Recording Preamp/DI Box:

              I have only used this unit twice. The good news is it has exceeded my expectations both times. My band mates, and folks in the audience have commented on how much fuller my guitar sounds. I had been having trouble with the guitars natural bass sound coming through the PA, not any more! I'm getting the same time of clarity as when i combine a mic and the internal pickup. For the price, a great buy. ( just wish it had a belt clip. )

              (1 of 1 customers found this review helpful)

               
              5.0

              Worth it

              By theBIGsound

              from New Jersey USA

              About Me Professional Musician

              Pros

              • Affordable
              • Compact Design
              • Easy to use
              • Excellent Sound Quality
              • Good Selection Of Effects
              • Responsive
              • Versatile

              Cons

                Best Uses

                • Amateur Recording
                • Home Studio
                • Performances
                • Professional Recording

                Comments about Behringer ADI21 V-Tone Acoustic Driver Direct Recording Preamp/DI Box:

                The unit tapers the treble frequencies of an piezo-installed acoustic guitar, transforming it to a warmer-sounding mic'd acoustic guitar. The pedal enables the user to adjust the mix and other parameters providing a result that is useful and is as described in the advertising literature.

                (1 of 1 customers found this review helpful)

                 
                5.0

                ADI21 Acoustic Driver

                By WeezerDeezer

                from Florence, CO

                About Me Professional Musician

                Pros

                • Brings 12 String To Life
                • Compact Design
                • Excellent Sound Quality
                • Good Selection Of Effects
                • Great Sound
                • Responsive
                • Versatile

                Cons

                • None

                Best Uses

                • Amateur Recording
                • Events
                • Everything
                • Home Studio
                • Mobile DJ
                • Performances
                • Professional Recording

                Comments about Behringer ADI21 V-Tone Acoustic Driver Direct Recording Preamp/DI Box:

                Great Acoustic DI Box, I use it for all live performances, I use this with my 12 string alot

                (1 of 1 customers found this review helpful)

                 
                4.0

                good for the money

                By David

                from Houston area

                About Me Experienced

                See all my reviews

                Ask me a question

                Verified Buyer

                Pros

                • Compact Design
                • Excellent Sound Quality

                Cons

                • Limited Selection Of Effects

                Best Uses

                • Amateur Recording
                • Events
                • Home Studio
                • Performances
                • Professional Recording

                Comments about Behringer ADI21 V-Tone Acoustic Driver Direct Recording Preamp/DI Box:

                good sound, easy to use, small footprint. My first outing with it doing a live performance, I needed a notch filter for feedback and it does not have one. The sweepable mid frequency control has too wide a cut for feedback purposes. It is a good unit otherwise.

                 
                4.0

                Great sound enhancement

                By guit30

                from Abington, Pa

                About Me Experienced

                Pros

                • Excellent Sound Quality
                • poor construction

                Cons

                • Breaks Easily

                Best Uses

                • Home Studio
                • Performances

                Comments about Behringer ADI21 V-Tone Acoustic Driver Direct Recording Preamp/DI Box:

                The sound quality that you can get out of this box is better than a lot more expensive acoustic effects. It warms up the tone of your acoustic guitar in a very professional way, Can be used as a DI box as it has both a quarter inch out and a balanced mic style out on the back. It has a compressor in it so you can adjust the dynamics as well as the tone. Behringer makes a lot of good pedals, they are just not made in a quality build, cheap plastic. I had 2 of these, the last one I had the battery clip broke putting the battery in.This pedal has such good sound quality, it would be worth having someone rebuild it in a metal box.

                 
                5.0

                works perfect for my needs

                By ww

                from orlando, fl

                About Me Novice

                Verified Buyer

                Pros

                • Compact Design
                • Excellent Sound Quality
                • Responsive
                • Versatile

                Cons

                  Best Uses

                  • Amateur Recording
                  • Home Studio

                  Comments about Behringer ADI21 V-Tone Acoustic Driver Direct Recording Preamp/DI Box:

                  used "folk" setting on my Martin

                   
                  5.0

                  Better than expected--Nice

                  By melodymaker

                  from E. TN.

                  About Me Experienced

                  Verified Buyer

                  Pros

                  • Compact Design
                  • Excellent Sound Quality
                  • Good Selection Of Effects
                  • Responsive
                  • Versatile

                  Cons

                    Best Uses

                    • Amateur Recording
                    • Home Studio
                    • Performances

                    Comments about Behringer ADI21 V-Tone Acoustic Driver Direct Recording Preamp/DI Box:

                    This unit is much better than I expected ,for the price. I am well pleased with the quality of build and ease of use, plus it looks so cool!

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