Behringer V-Tone Bass BDI21
Behringer V-Tone Bass BDI21

V-Tone Bass BDI21, Bass Amp Simulator from Behringer in the V-Tone series.

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All user reviews of 5/5 for the Behringer V-Tone Bass BDI21

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Average Score:4.0( 4/5 based on 20 reviews )
 12 reviews60 %
 3 reviews15 %
 1 user review5 %
 1 user review5 %
 3 reviews15 %
Audience: Advanced users
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fredolee16's review"If you want to buy the Sans Amp, try this and save money!!!"

Behringer V-Tone Bass BDI21
First of all keep in mind that this behringer unit of the SansAmp unit is not a overdrive pedal concept. It is a tube emulator so those guys that are trying to bash the pedal because "the drive knob doesn't work well", didn't read or understand the concept of a bass driver pedal (tech 21 or Behringer BDI21). I play bass three times per week. Play in a local church but play for a rock band too. I play bass since 2000 and have several basses and other stuff. From 2003, the Tech 21 SansAmp bass driver was my main trick to my sound. For whatever reason, I decided to sold it to try something different but every stuff I tried doesn't give me that warm like Geddy Lee sound that I loved. I see this Behringer in a local store and immediately noted that is a copy of my loved Sans Amp bass driver so, for $30 I decide to take the risk. What a surprise. It is almost identically. I my opinion sounds a little bit better because has a little more midrange so I find it that it add less color to my sound than the Sans Amp so it's a little bit easier to find a clean sound. Yes, it is plastic, but I take care of my stuff so this is not a problem. This unit or the Tech 21 are excellent for passive basses. I can't play my jazz bass without this thing. It simply add punch to my bass and that warm sound that I really love to play rock. The other difference that I find with this and the Sans Amp is that the Sans Amp has a little more output than this but I just add more volume and bingo. The bass driver pedals add a little color to your sound so even when it has a "clean sound setting" it's a little hard to find a super clean sound so If you love a super clean sound, maybe this or the sansamp are not the pedal for you. Remember that this is a tube emulator. If you love a little warm sound (especially to play rock) you will love this unit.

nicowaddle's review"Excellent value for money"

Behringer V-Tone Bass BDI21
Tube amp simulator with DI output.
I give it a 10 because it allows me to program sounds (like the VT Bass Deluxe). Given the price, I'm going too far, I know!!!


It's really easy to dial in, to be honest:
- A presence control ("brilliance," an enhancer)
- A drive control to dirty up the sound
- A bass control
- A treble control
- A level (volume) control
- A blend control (tube simulation rate)

The manual provides well thought-out presets.

I give it 8 because it doesn't have any mids controls, like the Sansamp Bass Driver it's a copy of.


The AF samples are excellent to get an idea.
I love its sound quality, it adds warmth to the sound and you can find whatever you want. I used it for reggae and slap and it's awesome.
No noise and many, many possibilities.
I got rid of it because I got a tube preamp but I sometimes miss this small magic box if only because of the ease with which I could get a killer slap sound.
I must say that I didn't compare it to the Sansamp but my opinion on certain Behringer pedals (the most recent ones) is that they are (almost) as good as the originals at a ludicrous price. The BOD400, apart from a slight difference in gain, is almost the same as the ODB-3 and the TO800 sounds like an Ibanez TS808 (although I must admit that I didn't compare these last two with the same instrument).
The only thing you can criticize it for is a lousy switch. But the BDI21 isn't conceived like the others and doesn't have a shitty switch (even if it wouldn't dare jump on it too vigorously!!!). The buttons are a bit loose, but nothing to worry about.


Test passed, considering the price.
If this pedal was sold for 100 bucks by a more renown brand, I'm sure many (including me!) would fall into the trap.
If you have an average amp, go for it.

Grenouillère's review (This content has been automatically translated from French)"Jazz Precision rather than ..."

Behringer V-Tone Bass BDI21
So it's a direct box. It can serve either as a direct box, or preamp, or emergency replacement if it was not his gear on hand ...

It is therefore an effect pedal format, which comes before amplification (hence the name pre-amp'...) der lol ... For specifications:

A level input / output level one ......
two parameters of equalizer settings: bass / treble
Can we find a "presence" (the goal is to increase the harmonics of the game)
Finally the "Blend": The wheel to increase the simulator lamp. The particularity of this effect is to bring a warm side to the sound without breaking the bank!
Then there is a footswitch / input and output jack "classical" / DI output for those wishing to enter directly into a table / Ground Lift switch to prevent ... I know not what? " A priori is to avoid the buzz in some contexts (neon, overvoltage, poor land taken ...).

I find the config complete and very well thought out. While the look is average, but at the same time a pedal AC arises from land, often in the dark, so ... For 30 € we will not ask for much more?

Of course not rackmount model ...
I think it's digital! Not light, but fairly convincing ...

XLR audio is connectable by the DI, or by conventional jack ...

It is regrettable that there have no marks around the knobs ... This is the only negative I find. The case seems solid (metal).


Setup: Simple! One branch ... Turning the level and it sounds! Course must be refined after!
Editing sounds takes a little time to find the sound that suits us, but we get a tampering his "inflated" more convincing ...

Manual? It is useless ... The only interest is to give two or three examples of classical sounds to try it at the beginning ...


This is where is the best! I think this little box is amazing! I was looking for a preamp box, and Noel, Father foo brought me this little box! What a great idea! Since December 26 I use it all the time ...
Initially I was using two types passive bass jazz bass. The advantage is a sound that is inflated, rounder, more "powerful" without breaking your ears ... It's warm, velvety, slamming against the side we criticize the sometimes passive JB!
I used preamp for concerts, and nothing to say! The macbhine done very good job. It gives me a heat lamp that I was not with my amp transistor. Certainly it's not real light. You do not compete with any Ampeg head lamps ... But for beginners it does it is!

This simulation lamp is a great idea! For cheap you can warm her sound! What cool ...

Face side: worries ... Well plugging in my old P Bass 79 (which has a large output level huge!) It was not going at all ... Well this is probably my settings! To me, they were perfect! And do it all again! Pwouah ... But it pretty saturated from the start. So I think it's a pedal for the rather low standard with modern microphones that send less than the old series. After maybe the P bass does not go with? Anyway for the jazz bass, there is a little warm side of the old low warmed to the lamp ...

The sound that I prefer:
- Drive: 9 pm .. To bring a hint of crunch ...
- Level at 15 h: to boost the output signal.
- Equa: as I am bass player: sharp at 10 pm or 11 pm to 14 pm and Basses
- The Blend: 15 pm, because at bottom it deteriorates too much signal ... It is the enemy of the good too.
- For harmonics (presence): I alternate between 12 and 14 h. Beyond that is too harmonic, below, the sound muffled sounds too ...

This is my setting, it is = Me, but I think I found a good compromise. After sometimes I play with the drive and the level to bring a small saturation very nice!

I put 9 for the problem with my P bass ...


I use it for 2 months. I am very satisfied, Father Christmas was the nose (without going broke !!!). Tried other models? No. on the other hand I tried the "real" tube preamp, and it's true we do not play very much in the same court! The sound is warm, sympathetic, etc. ... But it's still digital "simulates" a lamp ... It's not a lamp! So for some € you underfoot a small pedal that will improve your sound, amplifying the input, bring what I call a "smooth", a softer, less aggressive, some say plsu homogeneous.

What I like most? The box side to do anything! The side preamp, DI, equations, Boost ... For a few Euros! Obviously, if we have 200 € are a lot better. For those who can not, it's a great compromise: The sound nice without being discovered ...
The ratio Q / P? Unbeatable for what it's done ... After no limit if it is ...

Quite honestly, I would do this choice (Mr Noel finally!) Because I think it improves his record to have a practical tool that lets you move better sound at lower cost. And especially "his" sound anywhere!

After two months: it's always been on my amp, I use it every day ...

Zerothe(bass)hero's review (This content has been automatically translated from French)" Excellent stuff!"

Behringer V-Tone Bass BDI21
It is an amp simulator pedal format which also DI.
Connectivity of + DI pedal.

Rgler allows the sound before the effects of renter directly to a table without an amp.


Simple Config.
In order
1) knob "drive" = fat is in the sound until a lgre disto.
2) Treble: I spend
3) bass: same
4) level: Determines the output level of the pedal.
5) presence: Ramna treble on the front of the stage but it is more subtle than a. .. In the limit of compression, I think. At noon that knob allows for a balanced sound and richer in harmonics.
6) blend: my prfr: simulation of lamps. A background! It


gnial. For a few dollars, that stuff turns your microphone or your amp lambda too "right" amp in "of character."

Obviously, it works not like Samsamp, but for Zikos bar or local festivals ... was enough even for real Zikos dsargents (I accumulate, arf!)

Only BMOL has lost a kind micro JB flt ct his easel and singing to add bass and potato. In short, fans of Jaco deprecated.

on the other hand, rockers of all stripes, and the rastamen slappeurs There's something ... For 15 euros secondhand ...

Intressant as a backup in case of roasting amp ...


Utilis past few months, I do more releases them. I advise everyone to get particulirement a round, serious, warm.

If you use a low entry level and / or an amp quite right, this beast will make you happy.

If you use a head lamp while Ampeg and Precision U.S., I do not know why you're reading this review. You can dispense with this pedal.
Frankly, is able to view the 10/10 low price, Obviously ...

leudeline's review (This content has been automatically translated from French)

Behringer V-Tone Bass BDI21
Be careful if you use a 9v adapter:
The polarity of the pedal is unlike standard adapters!! + = - And - = +
(No it's not math, but it's risky if you do not pay attention!)


The general configuration is it simple?


The effects are they effective, responsive and realistic enough?

So there I was amazed, despite the bad reputation of the brand, this little pedal really impressed me. You put the blend thoroughly, you set the EQ and presto you have your SVT 300 to 150 kg that fits in your pocket. I exaggerate a little but really, really not that much. Connected to a table, by inflating a bit serious, is amazing!


How would you rate the quality / price?

Have you tried many other models before buying it?
Yes: a result almost identical, but huge difference in price!

With experience, you do again this choice? ...
Despite the fragile aspect of the switch (that nothing prevents to change!), So no problem!

bassbaker's review (This content has been automatically translated from French)

Behringer V-Tone Bass BDI21
T says it all!


We found it very easily, turn the knobs and everything is effective against .... by the ground lift it really works, or is that no Sitat allowed it to be functional for me?! ?


The are obtained are surprising for a pramp this price! Me I am used to create a second channel (Big Fat Tube ... a modifi me) on my svt 3 pro.J 'plays with an Ernie Ball 5 string and a Fender Deluxe Plus 4 c.


For the price .... no need to do without it, it will be useful at some time or another!

SuperGeoff's review (This content has been automatically translated from French)

Behringer V-Tone Bass BDI21
Trs finish clean, the pedals are heavy and therefore stable, the knobs are just a bit soft which therefore calls for precision in rglages (when done in a hurry).
AC power or battery nine volt, small BMOL no On / Off contact is made by connecting a cable between the IN.


Trs easy to use, the manual is clear and provides two examples of three sounds Settings, but there is not much more to know.


The pedals are good at the trs, it colors just right and swells the sound of Manir own without dnaturer. The Blend is trs good job, only the drive would have won be a little more "pchu" end of the race.
Adding the button with acute prsence trs is enjoyable if you search a little more shine.


I use it for three months, I like the quality of the product difficult to do better and simpler in this price range.
I have not tried other models, I have bought APRS test version at a friends guitar that really convinced me.
I would do without this choice hsitation.

merlioz's review (This content has been automatically translated from French)

Behringer V-Tone Bass BDI21
See further notice ...

Plastic shell and solid knobs.


Amp simulator ultra simple, no need for manual (even if the book offers little rglages ready-made ... but it's gots each).

Given that the basis I'm more bass guitar, I did not want to invest in a bass amp of shit and I did not want either to put a lot of money for an amp which I'll use that on rare occasions. The BDI is the perfect solution ... It is happening in a console and you can enjoy a sound quality all correct. I use it primarily for your exact records and is nickel.


The simulation trsraliste me parat. The blend provides a real set back to its fullness.

I use it with a Beatles bass baltimore.

I do not use too much of the drive but, well, I guess it does its job without too much saturated either.


I use it for 3 months and rpond perfectly my needs (that is - say an amp simulator for cheap (36euros at Toto)).

Behringer has really good products trs (trs and bad ... but it's also far from being the case here).

I would do without this choice because the BDI hsiter enough for me.

manson.reznor's review (This content has been automatically translated from French)

Behringer V-Tone Bass BDI21
Bass preamp

1 input jack / output jack 1 / 1 XLR

External power supply or 9V battery 9v

Bass / Treble / Presence / Drive / Level / Blend / Bypass

Plastic shell quality
But lacks a medium setting ...


Super simple.

The Blend adjusts the rate of "simulation lamp"

Just missing a setting of medium, but the settings can present quite some possibilities.


Connected directly on a table or a sound, this amp is perfect.
The bass has good definition, good presence and potatoes.
What's more, this preamp does not breath!
It's easy, on my monitor, I have a better sound with this amp with my old bass amp Behringer!
The Drive allows for its low cruncher and significantly alters the sound.
The sound can be very cold (transistor) or very warm sound with Blend.
I do not know if we get a sound "Ampeg", but in any case, it sounds pretty good!


I use it for over a year.

It's simple, I love this amp that I recently discovered playing live (before I use it in recording).
The sound is pretty good, build quality and good price concrete.

An excellent choice to excellent value for money. Besides, I do not think the SansAmp do better ...

snoot58's review (This content has been automatically translated from French)

Behringer V-Tone Bass BDI21
This is a box of live active, combines a low prampli (transistors) that can change the tonal and simulate the saturation of an amplifier lamps. Pushing rglages (high level of bass, high level of overdrive and high levels of shuffled his saturson clear), we get a large enough distortion, and ultra infrabass MUSCL es. But say it excels prampli sound grazing (removal of high frquences trs, boost the infrabass, partial sticking of attack ...) and for low saturation medium, its crunchy.


The Casing has no switch, and plugging dclenche (very bottom) a jack. We do not tmoin Power, it only remains that we are well vrifier food by pressing pedals dclencher for a red light showing that exploits effects. The ground lift is efficient (it allows to avoid some snoring).

The optimum rglages vary the bass uses. But as the knobs are not gradus must rely ears to find his sound that simply can not mmoriser (it is not allowed to make his personal mark ...).
It is a pity that we can not use phantom power from the mixer to operate the DI-pramp. The 9V battery compartment for TRS is lousy, but it eats too much battery ... Aficionados of all pedals have a fawn 9V transformer. It is convenient to have two outputs (one symtrique, an XLR) simultanment used.
The name of the potentiomtres rglage is quite explicit, and the manual is not used much. It could give some advice on the most used rglages.


The optimum rglages vary the bass uses (indpendamment gots of each and the desired effect. Test on a Fender PB 57, we obtain a trs aisment his typically rock classic. With a Yamaha RBX374, we also get good feedback, but in a narrower range of rglages. It is clear that the simulation of a bass amp lamp gnrique is correct, the recording the bass is very easy, and that's what it sold the boti.
Under the conditions of normal use, this does not introduce Casing at all of breath using the prampli (normal gain, treble reasonable ...). The DI is transparent (comparison made on the same amp, with one between direct and Hi-Z XLR symtrisation APRS)
I test this pramp on bass, among others, but frankly rsultats obtained are no intrt. I do not even talk to other instruments.


I use it for two months. I do not compare this to the SansAmp bass pedals MXR M80 Bass DI and DI who do not in the same CATEGORY price because of all fawns is a low branch e on a real bass amp to be compared. An amp emulator remains a succdan sr but its really draws a INTERESTED, at least with some bass.
Résumé in a small very nice pedals that quickly lugging around his big bass amp while achieving a good sound without breaking the bank. A prsentation a little cheap, but not too bad when even get excited too quickly, but it has much to rev the little money we invested, there is no u!