Build Quality:4.9 out of 5 stars
Hardware:4.8 out of 5 stars
Electronics:4.8 out of 5 stars
Sound:4.8 out of 5 stars
Value:4.9 out of 5 stars
Average:4.8 out of 5 stars

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Stagg 20 AA R USA 20 Watt RMS Acoustic Guitar Amplifier


  • Beautiful design
  • Well-built
  • Excellent sound quality
  • On-board spring reverb


  • Not powerful enough for big venues

Those, who have had any sort of relationship with music, know how hard it is to pick out the perfect device without breaking the bank. No matter what you are going for, it is quite a headache to find something that will suit your needs perfectly. This is especially true for an acoustic guitar amplifier since the majority of them are high-end and most of us, budget players, cannot afford them. Luckily, I am here to help. Today we are going to be talking about Stagg 20 AAR USA, an inexpensive powerful amplifier that will take your gear to a whole new level. If you want to know more about its features, controls, and sound, just keep on reading!


Stagg 20 AA R USA has quite an all-encompassing set of features. It basically packs everything that one would need for home practice, rehearsals or small coffee shop gigs. It is simple to use since every parameter it alters is beautifully laid out on the front of the device. It comes in a black, sturdy chassis and brown vinyl covering, which guarantee to be long-lasting. Its lightweight packaging and tough handle allow you to take it anywhere without a problem.

This bad boy has 20 watts of power capacity that drives a single 8” speaker with the coaxial tweeter. Stagg 20 AA R USA has two channels for your acoustic instrument and a microphone. This way you can easily pair your guitar with vocals or play with acoustic and acoustic-electric guitars simultaneously. This amplifier has a three-band EQ with parametric mid and a selection of active and passive instruments.

When it comes to the onboard effects, here we have the spring reverb that has a lot to offer in terms of sonic capabilities. And, of course, Stagg 20 AA R USA has a balanced XLR input for dynamic vocal or instrument microphones, a single ¼” input for your instrument, a single ¼” input for external audio sources such as MP3, CD or Tape player, as well as a phone output for silent practicing and a mains socket for supplying the amplifier with electric power.


As I have already mentioned, Stagg 20 AA R USA is easy to use. One of the reasons for this is definitely its control panel. The knobs are mounted on the black surface and the labels are written in white. This enhances visibility and allows you to see the settings even from far away. All the features are sorted into different sections, which, once again, helps you understand what it what even while performing. Even though this might seem like a minor issue, the ability to see the controls clearly hugely impacts the convenience of the unit. Now, let’s cut to the chase and see, what must be tweaked to receive the tone of one’s dreams.

The first two sections are dedicated to the channels. Mic and Guitar channels both feature the Level knob, which adjusts the volume of the output of the channel. Then we have the selector, which allows you to choose between active and passive modes depending on what kind of instrument you use. If you are not familiar with these terms, keep in mind that active instruments have preamps, while passives do not.

Next comes the EQ section. Here we have the Treble, which alters higher frequencies, the Mid which takes care of the mid-range, and the Bass which boosts or cuts the bottom-end. We also have the Parametric Mid, which emphasizes either higher or lower mids, allowing you to be even more meticulous with your tone. Last but not least, we have the Spring Reverb section with a single knob that modifies the intensity of the effect. Once activated, this control will affect both channels. Of course, we also have a power switch that turns the amplifier on and off.

Stagg 20 AAR Sound

The part where Stagg 20 AA R USA truly shines is the sound. Being a low-wattage device, things could have easily gone wrong. However, the brand managed to avoid all the problems and designed a badass unit that barks up amazing sounds. It responds perfectly to both mic and guitar signals and blends them together beautifully.

The active/passive switch makes a lot of difference as well since it tailors the amplifier to the signal it receives. This way you get a truly professional package. The EQ is very accurate, especially the parametric mid. This little control gives you a number of sonic options to experiment with and, plus, accentuating different parts of the midrange is always a good idea. The spring reverb adds another dimension to your acoustic sound, making it more spatial and rich. On the whole, Stagg 20 AA R USA produces a sound that is hard to beat in its price range.


In conclusion, Stagg 20 AA R USA is definitely one of the best acoustic guitar amplifiers out there. Though it is not the loudest and most powerful amplifier out there, it has enough strength to handle a small gig and be an asset during your daily practice. This bad boy is an affordable masterpiece that can take your playing to a whole new level. Stagg 20 AA R USA will suit your acoustic instrument perfectly and accentuate all the chords and notes you emit. There is no way you can go wrong with this one. Good luck!  

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