The Harley Benton Acoustic Preamp is one of those pedals that seems almost too useful for the price.
You get an acoustic preamp, DI box, EQ, reverb, chorus, headphone output, tuner output, line input and a ground lift switch in one fairly compact unit.
At the time I made this demo, it retailed for 79 euros.
That already sounds like a lot of functionality for not a lot of money. But of course, the real question is whether it actually sounds good and whether I would trust it for acoustic gigs or recording.
So I plugged in my Taylor 110e, ran it into the Harley Benton Acoustic Preamp, and from there straight into my Universal Audio Apollo interface.
No fancy post-processing. Just the preamp doing its thing.
What Is the Harley Benton Acoustic Preamp?
The Harley Benton Acoustic Preamp is a compact preamp and DI box for acoustic guitar.
The basic idea is simple: you plug your acoustic guitar into the unit, shape the tone, add effects if you want, and then send the signal to a mixer, PA system, acoustic amp, recording interface or headphones.
That makes it useful for a few different situations.
If you play live, it can work as a simple acoustic guitar DI box. If you record at home, it gives you some tone shaping before your interface. If you just want to practice quietly, the headphone output can also be useful.
The controls are straightforward enough. You get gain, treble, bass and volume. There is also a phase switch, a shape switch, a chorus section, and a reverb section.
On the side, there is a normal output, a headphone output and a balanced DI out. There is also a tuner output and a 3.5 mm line input.
That is a pretty serious feature list for a small and affordable acoustic pedal.
Build Quality and First Impressions
The unit feels pretty solid.
The knobs feel good, the main switches are nice enough, and overall it does not feel like a cheap toy. Some of the smaller switches feel slightly more flimsy, but those are probably not controls you will constantly flick back and forth during a gig.
For the money, I think the build quality is good.
And that is really the first pleasant surprise here. At this price, you expect some compromises, but the unit itself feels like something you could actually throw into a gig bag and use.
My Demo Setup
For this Harley Benton Acoustic Preamp review, I used my Taylor 110e.
The signal chain was:
Taylor 110e into the Harley Benton Acoustic Preamp, then into my Universal Audio Apollo interface.
I wore headphones during the demo because the natural acoustic sound of the guitar in the room was too loud. If I listened normally, I could not properly hear what the preamp and effects were actually doing.
So I wanted to hear the same thing you would hear from the recorded line signal.
The EQ on the guitar was flat, and the controls on the preamp started at 12 o’clock.
The Gain Control Is Actually Useful
The gain control is one of the first things I wanted to test.
And yes, it is useful.
If your acoustic guitar has a weaker pickup, this can help a lot. There is enough extra level available to bring the signal up properly before sending it to your interface, mixer or PA.
This is also where the Harley Benton Acoustic Preamp starts to make practical sense.
It is not just about effects. It is also about getting your acoustic guitar signal to a healthier level and making it easier to manage in a live or recording situation.
That alone already gives the unit some value.
EQ and Tone Shaping
The EQ section is simple, but it works.
You get treble and bass controls, plus a shape switch.
With my Taylor, I actually preferred the treble slightly boosted. It added a bit more clarity and presence without making the sound too harsh.
The bass control also has a lot of range. In fact, it can easily be too much.
Especially in a live setting, I do not usually want a huge amount of low end from an acoustic guitar. That space is usually better left for the bass guitar, kick drum or whatever else is happening in the mix.
A big boomy acoustic guitar might sound impressive alone, but it can become a problem very quickly in a band mix.
The shape switch changes the tone more dramatically. To my ears, it adds more low end and possibly more top end as well, making the sound more scooped.
That can be useful, but it can also be too much depending on the guitar.
The good news is that between the bass, treble and shape controls, you get plenty of tone shaping options. For a simple acoustic preamp, that is exactly what I want.
What Does the Phase Switch Do?
The unit also has a phase switch.
In my demo, I honestly could not hear a big difference when switching it in and out. To me, the two settings sounded almost identical in that setup.
But that does not mean the switch is pointless.
A phase switch can be useful in live situations, especially if you are fighting feedback or dealing with strange interactions between your guitar, monitors and PA system.
So even if it did not dramatically change anything in my home studio test, I am still glad it is there.
The Chorus Effect
The Harley Benton Acoustic Preamp also includes a built-in chorus.
And this is where things get a little more personal.
It is definitely a chorus.
It works. It gives you that modulated acoustic sound. You can also push it quite far if you want a more obvious effect.
But I am not sure I would use it much myself.
The chorus does not get super subtle, at least not in the way I would personally want from an acoustic preamp. If you like chorus on acoustic guitar, it might be useful. If you are doing certain 80s-style ballads or Bon Jovi covers for some unknown reason, maybe this is exactly what you need.
For me, it is more of a “nice to have” than a main selling point.
It is there. It works. But I would not buy this unit just for the chorus.
The Reverb Is More Useful
The reverb section is more interesting to me.
With the controls around 12 o’clock, it sounded like a hall-style reverb with some modulation going on. There was a bit of that “wah wah wah” movement in the background.
Yes, that is the scientific term.
At more extreme settings, the reverb can get pretty dramatic. Pair it with the chorus, and you can definitely get into very washed-out acoustic territory.
I do not know who needs that all the time, but it is available.
However, when I turned the reverb down and used it more subtly, I liked it much more. At low settings, it added some space without getting in the way.
That is probably how I would use it.
A little bit of reverb on acoustic guitar can be nice, especially if you are plugging straight into a PA or interface and the sound feels too dry.
So while I am not completely sold on the chorus, I could see myself using the reverb.
DI Output and Ground Lift
One of the most important features here is the DI output.
This means you can run your acoustic guitar straight to front of house, a mixer or a recording interface using a balanced XLR output.
There is also a ground lift switch for the DI section.
I did not really demonstrate the ground lift in the video because I was not using the DI output in a way where it would make a difference. But in real live situations, having a ground lift can be extremely useful if you run into hum or noise problems.
This is one of those features you might not think about until you need it.
And then you are very happy it is there.
Headphone Output and Line Input
The headphone output is another nice bonus.
You could use the Harley Benton Acoustic Preamp as a very simple practice setup. Plug in your acoustic guitar, add a little EQ or reverb, and listen through headphones.
There is also a 3.5 mm line input, so you could bring in an external audio source.
That makes the unit feel more complete than I expected. It is not just a DI box. It is almost a tiny acoustic guitar utility box.
Again, at this price, that is pretty cool.
What I Like About the Harley Benton Acoustic Preamp
The biggest strength of the Harley Benton Acoustic Preamp is how much practical functionality you get in one box.
You get a DI. You get tone shaping. You get gain control. You get a headphone output. You get a tuner output. You get a line input. You get reverb and chorus. You get a ground lift.
That is a lot.
I also like that the EQ is actually useful. The bass and treble controls give you enough range to shape the guitar properly, and the gain control can help if your acoustic pickup is a bit weak.
The build quality is also better than I expected for the price.
For 79 euros, I think that is a strong package.
What I Do Not Like
The effects are the weakest part for me.
The reverb is decent, especially when used subtly. I could see myself using that.
The chorus, however, is not really my thing. It works, but I do not think I would personally use it much. It can get quite obvious, and I usually prefer acoustic guitar effects to stay a little more out of the way.
That does not make the unit bad.
It just means I see the effects as a bonus rather than the main reason to buy it.
For me, the main reason to buy this would be the preamp, DI and tone shaping side of things.
Who Is the Harley Benton Acoustic Preamp For?
I think the Harley Benton Acoustic Preamp makes the most sense for someone who plays acoustic guitar live and wants a simple, affordable way to send a better signal to the PA.
It could also work well for singer-songwriters, church musicians, small acoustic gigs, open mic nights, home recording, or anyone who wants a basic acoustic DI box with a few useful extras.
If you already have an expensive acoustic preamp or a high-end DI solution, this probably will not replace it.
But if you want one affordable box that does a lot, this is genuinely useful.
I could see myself gigging with just this unit, a clip-on tuner and an acoustic guitar.
That is kind of the point.
Simple setup. Useful controls. Easy to carry.
Final Thoughts on the Harley Benton Acoustic Preamp Review
The Harley Benton Acoustic Preamp is not perfect, but it gives you a lot for the money.
The DI functionality is useful. The tone shaping works well. The gain control adds practical value. The headphone output is handy. The reverb can be used subtly enough to be genuinely useful.
The chorus is more of a personal taste thing. I am not fully convinced by it, but someone else might enjoy it more than I do.
Still, for 79 euros, I think Harley Benton has put together a very practical little box.
If you need an affordable acoustic preamp and DI for live use, recording or quiet practice, this is definitely worth a look.
It is not the fanciest acoustic preamp in the world.
But it does the job.
And sometimes, that is exactly what you need.
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