Fender Mustang GT100 Ultimate Review 2021

Fender Mustang GT100 2.0 Guitar Amp Review

Fender Mustang GT100

Fender Mustang GT100 Overview

This amplifier is no longer available. but we have left this review up for reference.

The Fender Mustang GT100 2.0 is a digital modeler that is super customizable and easy to use. The amplifier is a single channel 1 x 12″ combo with built in effects and 21 amp models. With over 47 effects, your sound will now be very obtainable.

Fender Mustang GT100 Features

Lets take a look at some of the key features of the Fender Mustang GT100.

  • 1 Channel Amplifier
  • 1×12 Speaker Combo
  • 21 Amp Model Presets
  • 47 Onboard Effects
  • Aux In And Headphone Jacks
  • Built In Stereo Effects Loop
  • 100 Watts of Power
  • Wifi and Bluetooth Controllable


  • Design and Rigid Build
  • Easy to Use Interface
  • Good Tube Like Distortion Sounds
  • Built In Effects plus stereo effects loop
  • Bluetooth Control


  • Bluetooth Connectivity Issues have been reported
  • Distortion tone may leave some players wanting more

Fender Mustang GT100 External Hardware

Firstly, the Mustang GT100 is a 22 pound open-back combo amp measuring in at 20.5″ wide, 17.5″ high and 10″ deep. It comes equipped with 1 – 12″ Celestion flat response speaker in a sturdy enclosure with black vinyl covering and black grill cloth.

The controls are top mount with a digital screen for setting presets and effects. There is a single guitar input as well as an aux IN and Headphone OUT jack on the top control panel for easy access.

A series of buttons lets you select your presets and select through the various modeling options from the top panel.

On the back of the amplifier we find the power switch, the stereo effects loop jacks as well as line out connections.

There is also a foot switch connection but the foot switch is not included with the GT100. Don’t worry about taking it out to gigs, the amp is pretty well made and is quite light to carry.

Fender Mustang GT100 Channels and Controls

The Fender Mustang is a 1 Channel amplifier with a pretty
standard configuration. The LCD display makes it easy to see the
settings of the presets and modify them to taste and is your primary
means of controlling the amps options.

It’s quite easy to scroll through
the presets using the encoder dial and then change the settings with the various
buttons and knobs. You can adjust the presets, the EQ, add effects and
so much more. Each “Layer” has a different function on the screen to add
to the signal path and modify the presets to your desired setting. It’s
quite cool and packed with options!

The amplifier has one
instrument input, headphone out and auxiliary input on the top for easy access, plus
stereo effects loop and balanced line outs on the rear for recording etc.

Other features on this
amplifier include the ability to control the unit from your smartphone via Bluetooth and update the firmware with WIFI. This amplifier will keep you excited with its wide range of awesome features.

Built in effects on this amplifier are very good
and are broken into categories: Stompbox, Modulation, Delay and Reverb. Each of the categories include a number of different effects and there are tons to choose from! There is also a built in tuner and access to the fender tone app adds even more to the already large selection available from factory!

Maybe your looking for something else? Check out our best amps under $500 for more great reviews! If not, carry on!

Output Power

The Fender Mustang GT100 is rated at 100 watts and it is loud! With a band the amplifier delivered the power needed to be heard with a drummer, no problem.

We did find that the preset levels had to be set accordingly to provide enough cut and volume level. But once set, the amp performed well.

Another thing to keep in mind is that the master volume cannot be saved in presets and seems linear when adding volume.

Effects loop Performance

The effects loop on the Fender Mustang GT100 is a stereo loop and works great with pedals.

So all your favorite stomps will work great here.

You will be quite pleased with how the loop responds on this amp.


The Fender Mustang GT100 can be controlled from your phone via Bluetooth which we thought was a cool feature.

All of the things that can be done on the LCD screen can be done from your phone and changes are immediate.

This can be great if you are dialing in a tone from a distance if using it to play live.

Built In Looper With Foot Switch

Another cool feature built into the Mustang GT100 was a looper!

The only thing is that it can only be used with the optional foot switch.

We were fortunate enough to have the foot switch with the amplifier and for 60 seconds you could record a loop track

Fender Mustang GT100

Fender Mustang GT100 Sound

When you first plug into the Mustang GT100, you may be disappointed with some of the provided presets. These presets are the sounds that others prefer and so while everyone is different, we had to set up our own custom sounds that best fit our ear.

Some of the presets are good, but we found that it wasn’t until we set up our own presets that the amp really started to sound great.

The amplifier is capable of over 100 presets and so there is tons of room to set your favorite tones.

The sound and feel of the modeled presets is quite good and feels sort of tube like once you start setting it to your desired taste. The cleans are great and some of the Fender rock tones really nail it in terms of sound and feel.

Its also capable of capturing good recording tones out of the provided balanced line outs which was also nice.

The built in effects are great and adding them to presets was quite easy. There are many different reverb and delay sounds available located in their categories and matching them with some of the fender rock tones really unlocked some killer tone!

Conclusion And Final Thoughts

This is one amplifier that provides some great sounds and options for a great price. The modeling is good and the sounds would inspire a player to play often. The connectivity options and controls are super modern and really cool.

Overall this is one steal of a deal!

The limitations on the amplifier do lie in the sounds for some people. There are those who love it and those who feel it is too digital sounding. To my ear i do hear digital but with some tweaking it is possible to get a good sound and feel out of the amplifier.

It really comes down to who you are and what you expect from an amplifier.

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