Fender Mustang GT 40

^# 70

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$21.52 to $138.50 Price Tier: Budget

4.5 (36)

3 Critic Reviews

9 Reviews

All time low price

Find out who is using Fender Mustang GT 40

5 community setups

8 wishlisted

81 saved

Page last updated Jul 03, 2026

Pricing and availability

We compare 600+ stores and found this item at 7 stores. Prices updated July 2, 2026.

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$21.99 $21.52 $0.47 · All time low

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4.5 (6)

$29.49

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$29.49

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4.3 (71)

$21.52

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5.0 (31)

$138.50 4 available Used

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5.0 (2)

$29.49

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£18.99

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Average Price: $45

Budget/Beginner

$300

$701+

Price Tier

In the Combo Guitar Amplifiers category, Fender Mustang GT 40 is priced in the Budget/Beginner range. This is great gear to get started with or for creators on a budget.

Budget

Standard

High-end

Price History

Based on price data from 4 merchants for "Fender Mustang GT 40". Prices shown reflect NEW condition. Tracking began Apr 2, 2026.

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Description

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Step into the future of guitar sound with the Fender Mustang GT 40, a digital combo amplifier that's as versatile as it is powerful. Designed for the modern musician, this compact powerhouse offers an array of sonic possibilities, from crisp cleans to roaring overdrives, all at the touch of a button. The wifi-equipped feature and Fender Tone App integration allow for easy preset management and limitless sound exploration, making it the perfect partner for both bedroom practice sessions and live performances. Whether you're a budding guitarist or a seasoned pro, the Mustang GT 40 brings your music to life with unmatched clarity and precision.

Key Features:

Dual Special Design 6.5" speakers deliver a rich, full sound
40-watt digital amplifier for powerful performance
Wifi-equipped for easy access to a myriad of tones via the Fender Tone App
Onboard LCD display for intuitive navigation of effects and presets
Comprehensive selection of effects, including reverb and overdrive, for versatile sound shaping
Ideal for home use and smaller gigs, offering both portability and powerful sound

Product specs

Brand	Fender
Model	Mustang GT 40 40-Watt 2x6.5" Modeling Guitar Combo
Finish	Black
Year	2017 - 2018
Made In	China
Categories	Guitar Combo Amps, Guitar Modeling Amps
Built-In Effects	Built-In Effects
Color Family	Black
Electronics	Solid State
Model Family	Fender Mustang GT
Number of Channels	1 Channel
Number of Inputs	1 Input
Output Power (Watts)	40
Power Tube Type	None
Reverb	Digital Reverb
Series	Fender Mustang Amp
Speaker Configuration	2x6.5"

FAQs

What type of music genres is the Fender Mustang GT 40 suitable for?: The Fender Mustang GT 40 is versatile and can handle a wide range of genres, from rock and blues to jazz and pop, thanks to its modeling capabilities and built-in effects.
Does the Fender Mustang GT 40 have Bluetooth connectivity?: Yes, the Fender Mustang GT 40 features Bluetooth connectivity, allowing you to stream music and control the amp with the Fender Tone app.
What kind of effects are built into the Fender Mustang GT 40?: The Fender Mustang GT 40 includes a variety of built-in effects such as reverb, delay, modulation, and more, offering extensive tonal shaping options.
Is the Fender Mustang GT 40 loud enough for small gigs?: With 40 watts of power and dual 6.5-inch speakers, the Fender Mustang GT 40 is suitable for small venues and practice sessions, but may need additional amplification for larger gigs.
How can I update the firmware on the Fender Mustang GT 40?: You can update the firmware on the Fender Mustang GT 40 using the Fender Tone app, which connects to the amp via Bluetooth for easy updates and new features.
Does the Fender Mustang GT 40 work well with pedals?: While the Fender Mustang GT 40 has built-in effects, it can also work well with external pedals, though its digital modeling may interact differently than a traditional tube amp.

Videos

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Ola Englund

WILL IT CHUG? - Fender Mustang GT40

Ola Englund

Fender Mustang GT40 - All 109 Presets

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Fender Mustang GT 40 (Gitarren Modeling für Einsteiger)

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Fender Mustang GT 40 Combo | Gear4music demo

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Fender Mustang™ GT 40

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Fender Mustang GT 40 TEST SOUND / John Mayer Tone / Shure SM7B

マエジマ家

Reviews

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PROS

Huge variety of sounds, compatible with Fender Tone
Built-in tuner enhances ease of use
Ideal for beginners and home use at low volumes
Headphone out for silent practice
Bluetooth connectivity for easy edits and playing along to music
Can be used as a Bluetooth speaker
Great for learning about amps, pedals, and effects
Updates and edits possible via Wi-Fi and Bluetooth
Allows fx placement anywhere in the chain
Durable construction

CONS

Editing mid-tones requires pressing multiple buttons
Built-in presets often considered poor quality
Some models, especially high gain, less accurately modeled
Requires effort to fine-tune for desired tone
External pedals needed for optimal metal sounds
Some users find it sounds muffled, even after updates
Not loud enough for live performance without compromising tone
Common 'ribbon-cable issue' leading to sound cutouts
Fender support and warranty service deemed inadequate
Heavy reverb or delay adds background fuzz

Owner Insights

We analyzed real musician discussions from forums and Reddit to find what players love, question, and tweak about Fender Mustang GT 40.

User experience

0 0

Some owners experience audio dropouts, likely related to WiFi/Bluetooth, though the exact cause is uncertain and fixes can be complex.
Source
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It's noted that the GT40 sounds like playing music through small speakers, which may not satisfy those accustomed to richer tube amp sounds.
Source

Features and functionality

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There's a global EQ setting that significantly affects sound; setting it to "Guitar Focus" can improve tone.
Source
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The GT40 can be used as an audio interface, and its looper feature is accessible with a foot switch, which enhances its versatility.
Source

Software and compatibility

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Firmware updates add GTX series amp and effect models, improving sound quality and preset options.
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0 0

The ability to set up presets easily through a phone or iPad is highlighted as a significant advantage for quick setup and experimentation.
Source

Comparisons

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The GT40's small speakers are noted to be more directional, making the GT100 more suitable for louder genres like metal or rock.
Source
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Alternatives like Marshall CODE 25 and Boss Katana 50 MKI offer different features, with Katana noted for being loud and gig-ready despite fewer amp simulations.
Source
0 0

Owners who compared the GT40 to the Yamaha THR10 and Boss Katana found the GT40 less favorable for low-volume bedroom play.
Source

Use cases and applications

0 0

GT40 is better suited for clean sounds and quieter settings, not ideal for gigging without external sound support.
Source
0 0

For players who frequently use headphones, the GT40 is a strong choice due to its variety of models and effects.
Source

Critic Reviews

Fender Mustang GT 40 review: A superb practice amp that's also a Bluetooth speaker | Expert Reviews

expertreviews.co.uk

The Fender Mustang GT 40 is a stellar practice amp with impressive versatility, doubling as a Bluetooth speaker. Its compact design makes it perfect for home use, offering a wide array of amp models and effects controlled via smartphone. However, it's not powerful enough for live gigs, which might disappoint those hoping for a performance-ready unit. Despite this, its sound quality and feature set make it a fantastic addition to any musician's home setup, providing great value for its price. A must-have for personal practice and recording enthusiasts.

positive

Full Review

Fender Mustang GT 40 & GT 100 Review

guitar.com

Fender's Mustang GT 40 amplifies innovation with wireless connectivity, a user-friendly app, and a versatile range of tones. While traditionalists may find the digital emulations of classic amps hit-or-miss, the sleek design and impressive feature set make the GT 40 a standout for home use. The intuitive Fender Tone app enhances convenience, allowing guitarists to refine their sound effortlessly. Though the GT 100 offers a punchier output for live settings, the GT 40 is the perfect practice companion, ideal for streaming, jamming, and noodling. It's a modern amp that encourages more play, making it a worthwhile investment for tech-savvy musicians.

positive

Full Review

Fender Mustang GT 40 review | MusicRadar

musicradar.com

The Fender Mustang GT 40 is a compact powerhouse, lauded for its clever technology, superb sound, and stylish design. Its standout features include Wi-Fi and Bluetooth connectivity, allowing for easy updates and streaming. The amp delivers impressive volume for its size, making it ideal for home practice and recording. While some distortion tones can be a bit fizzy, this is easily adjustable. Overall, the Mustang GT 40 offers great value with its modern app integration and a wide array of presets, making it a versatile choice for tech-savvy guitarists.

positive

Full Review

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4.5 out of 5

Based on 9 Reviews and 36 Ratings

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radovan

188

about 4 years ago

Perfect amp for beginners and good for advanced players

This amp is perfect for beginners - it can easily be used at home at low volumes, and it also has a headphone out for late night practice.

Most of the amp modeling has been done pretty well. I wasn’t able to test it against the real amps, but I have tested the tube screamer and big muff, and they sound exactly the same as the real thing! I was amazed! I don’t like some amp models and presets, mostly high gain ones, but there are so many other amp models to choose from, it’s really not a problem. They definitely spent more time working on modeling for fender amps, but most other brands are just as good.

As I said, for a beginner, this is a perfect first amp, because it’s an amazing tool to learn about different amps, pedals, and signal chain, so when you buy a first “serious” amp, you’ll know more or less what you’re looking for. There are some PDFs that will help you make the most out of it, explaining exactly which models correspond to which amps, pedals and cabinets.

Even for an intermediate or advanced player I think it’s a great amp to try different effects and easily experiment with signal chain, and it’s a lot better for home practice than a 100 watt Marshall.

Looper is a great feature but it requires a foot switch. I had some problems with the foot switch, but I still recommend buying it.

In the digital/modeling amp category (boss katana, Marshall code, Yamaha thr, etc) I personally find this one to be the best overall. I tried the boss katana and Marshall code, and considered buying Yamaha thr because it looks amazing, but I’m glad I got this one. It sounds good, looks good, and the biggest selling point compared to the other amps in the category - it will help you learn a lot about guitar gear.

Oh, I also use it as a Bluetooth speaker because it has hi-fi speakers. It’s not for an audiophile, but the sound quality is pretty good!

Roles:

Guitarist

Genres:

Rock Blues Metal

onetrickpony

483

over 7 years ago

The Flavor Du Jour

The Times are a changing. In the past few years we have seen an explosion of practice amps the are more or less pedal boards with a speaker and some amplification. Each one has their niche but the Fender GT Series has taken all that tech an rolled it into one amp.

• No need for a wired connection to a computer with weak a$$ software. Updates Wi-Fi and controlled and edited via Bluetooth. Easy peasy to edit via phone or rearrange settings order. • The ability to place fx anywhere in the chain is a solid winner and that you can stack same type of fx.

The modeling has a very amp like feel to it. Takes external pedals well and reacts to picking dynamics but doesn't sound like a amp even with the update it sounds like a heavy blanket has been put over the amp to give it a muffled sound.

For a practice amp it is ideal as a performing or recording amp look else where.

chapersdale

1086

about 4 years ago

A great 2nd amp

Bought this as an upgrade from my first practice amp and it sent me down the slippery slope of fx pedals. Ideal for bedroom practicing and exploring tone, this amp provides the perfect platform for learning about what amps, pedals and sounds are out there, if your willing to put a bit of time in to perfect them. Super easy to set up, adjust and use. The in build tuner is a godsend and the bluetooth connectivity is awesome. I'd also throughly recommend using the Fender Tone app for even more functionality.

Preferred Settings + Usage:

Personal favourite set up is running two delays (one on ¼ note and one on dotted ⅛ notes) into an amp for chill shimmery goodness.

Roles:

Guitarist

Genres:

Rock Indie rock Ambient

From Gear Setup

luckyj714

101

about 7 years ago

Absolutely amazing!

So many presets and the ability to modify them / create new ones! Having this eliminates the need for a lot of pedals (overdrive, reverb, delay, etc.). Great for beginners and experienced players alike.

toaster11

almost 7 years ago

wide range of options good practice amp

This amp has 120 preset settings and 80 more you can either customize of download custom ones, from the "Fender Tone" app. not the greatest metal sound unless you use a distortion pedal on any clean sound.