NUX Mighty Lite BT MkII Review: vs Mighty Air, FLY3, Spark GO

Hello, this is Yosh (@Yosh_Guitars), an ex-music store clerk in Japan. The NUX Mighty Lite BT, which was popular as a cost-effective mini amp, has made a comeback with enhanced features! In this article, I will compare the features of the new model, the differences from the old model, and the NUX Mighty Air, Blackstar FLY3, and Positive Grid Spark GO, which have similar functions and prices.

Pros

1. Ultra-small amp compatible with guitar and bass
2. All necessary functions for practice in one unit
3. 17 types of guitar and 4 types of bass amp modeling
4. 34 types of IR, also loadable
5. 41 built-in effects
6. USB audio interface
7. Bluetooth audio and a dedicated app
8. [App] Drum patterns, jam tracks
9. [App] Tuner function

Ultra-small amp compatible with guitar and bass

The biggest feature is that it is a mini amp that can be used for both guitar and bass. It is a size that can be easily carried in a gig bag, and it is convenient because it can be used for practice at home, warm-up before performance, and practice in the dressing room.

All necessary functions for practice in one unit

It is a unit that has all the necessary functions for practice such as amp modeling, IR, effects, drum patterns, backing tracks, tuner, and audio interface. It is also possible to practice while playing music on a mobile device.

17 types of guitar and 4 types of bass amp modeling

The amp modeling includes 17 types of guitar amps and 4 types of bass amp modeling. The list of amp modeling is as follows. It can handle various genres.

Amp (* is for bass)

Display Name	Base Model
Jazz Clean	Roland JC-120
Dluxe Rvb	64 Fender Deluxe Reverb
Bass Mate	59 Fender Bassman
Tweedy	57 Fender Tweed Deluxe
Hiwire	1969 HIWATT
Cali Crunch	1978 Mesa Boogie MK1
Class A30	VOX AC30
Plexi 100	68 Marshall Plexi 100W
Plexi 45	67 Marshall Plexi 45W
Brit 800	1977 Marshall JCM800
1987 X 50	1989 Marshall 1987X 50W
Slo 100	1980Soldano SLO 100
Fireman HBE	2005 Friedman HBE
Dual Rect	1985 Mesa Dual Rectifier
Die VH4	1999 Diezel VH4
Mr. Z38	2001 FR Z MAZ 38
Super Rvb	2008 Fender Supersonic
AGL*	AGL AMP
MLD*	MLD AMP
Optima Air*	OPTIMA AIR
Stageman*	STAGEMAN ACOUSTIC

34 types of IR, also loadable

34 types of IR (Impulse Response) are built-in. These IRs are data for digitally reproducing the acoustic characteristics of specific amps and cabinets. It also allows you to add the sound of cabinet speakers, so even when listening with headphones, it reproduces a familiar amp sound. In addition, it is equipped with 3 types of acoustic guitar IR that can produce an acoustic-like sound even with an electric guitar. It is good to use the front pickup single coil. In addition to the 36 models matched to the amp modeling, there are also 20 slots available for loading third-party IRs using dedicated software when connected to a PC.

Display Name	Base Model
1×12 DLX Rvb	64 Fender Deluxe Reverb
1×12 Tweedy	57 Fender Tweed Deluxe
1×12 Class A30	VOX AC30
1×12 Plexi 45	67 Marshall Plexi 45W
1×12 Brit 800	1977 Marshall JCM800
1×12 1987 X 50	1989 Marshall 1987X 50W
1×12 Slo 100	1980 Soldano SLO 100
1×12 Fireman HBE	2005 Friedman HBE
1×12 Dual Rect	1985 Mesa Dual Rectifier
1×12 Die VH4	1999 Diezel VH4
1×12 Mr. Z38	2001 FR Z MAZ 38
1×12 Super Rvb	2008 Fender Supersonic
1×12 AGL*	AGL AMP
1×12 MLD*	MLD AMP
1×12 Optima Air*	OPTIMA AIR
1×12 Stageman*	STAGEMAN ACOUSTIC
2×12 Jazz Clean	Roland JC-120
2×12 Dluxe Rvb	64 Fender Deluxe Reverb
2×12 Bass Mate	59 Fender Bassman
2×12 Tweedy	57 Fender Tweed Deluxe
2×12 Hiwire	1969 HIWATT
2×12 Cali Crunch	1978 Mesa Boogie MK1
2×12 Class A30	VOX AC30
2×12 Plexi 100	68 Marshall Plexi 100W
2×12 Plexi 45	67 Marshall Plexi 45W
2×12 Brit 800	1977 Marshall JCM800
2×12 1987 X 50	1989 Marshall 1987X 50W
2×12 Slo 100	1980 Soldano SLO 100
2×12 Fireman HBE	2005 Friedman HBE
2×12 Dual Rect	1985 Mesa Dual Rectifier
2×12 Die VH4	1999 Diezel VH4
2×12 Mr. Z38	2001 FR Z MAZ 38
2×12 Super Rvb	2008 Fender Supersonic
2×12 AGL*	AGL AMP
2×12 MLD*	MLD AMP
2×12 Optima Air*	OPTIMA AIR
2×12 Stageman*	STAGEMAN ACOUSTIC
4×12 Hiwire	1969 HIWATT
4×12 Cali Crunch	1978 Mesa Boogie MK1
4×12 Plexi 100	68 Marshall Plexi 100W
4×12 Plexi 45	67 Marshall Plexi 45W
4×12 Brit 800	1977 Marshall JCM800
4×12 1987 X 50	1989 Marshall 1987X 50W
4×12 Slo 100	1980 Soldano SLO 100
4×12 Fireman HBE	2005 Friedman HBE
4×12 Dual Rect	1985 Mesa Dual Rectifier
4×12 Die VH4	1999 Diezel VH4
4×12 Mr. Z38	2001 FR Z MAZ 38
4×12 Super Rvb	2008 Fender Supersonic
4×12 AGL*	AGL AMP
4×12 MLD*	MLD AMP
4×12 Optima Air*	OPTIMA AIR
4×12 Stageman*	STAGEMAN ACOUSTIC

41 built-in effects

It covers basic effects such as noise gate, compressor, distortion, EQ, modulation, delay, and reverb. With content like a multi-effects unit, you can create a wide range of tones by combining multiple effects, or it’s good for researching new tones.

Gate

Effect	Model
Gate	Noise Gate

EFX

Effect	Model
Distortion+	MXR Distortion+
RC Boost	Xotic RC Booster
AC Boost	Xotic AC Booster
Dist One	BOSS DS-1 Distortion
T Screamer	Ibanez Tube Screamer
Blues Dry	BOSS BD-2 Blues Driver
Morning Drv	JHS Morning Glory
Eat Dist	Pro Co RAT
Red Dirt	Keeley Red Dirt
Crunch	JHS Angry Charlie
Muff Fuzz	Electro-Harmonix Big Muff Pi
Katana	Keeley Katana Clean Boost
ST Singer	Dumble Steel String Singer
Rose Comp	ROSS
K Comp	Keeley Compressor
Touch Wah	Touch Wah
Tremolo	BOSS TR-3 Tremolo
U-Vibe	Dunlop Uni-Vibe
PH100	MXR Phase 100

Mod

Effect	Model
CE-1	Roland CE-1 Chorus
CE-2	BOSS CE-2 Chorus
ST Chorus	MXR Stereo Chorus
Vibrato	BOSS VB-2
Flanger	BOSS BF-2 Flanger
Phase 90	MXR Phase 90
Phase 100	MXR Phase 100
S.C.F.	TC Chorus
U-Vibe	Dunlop Uni-Vibe
Tremolo	BOSS TR-3 Tremolo
SCH-1	MXR Harmonizer

Delay

Effect	Model
Analog	BOSS DM-2 Analog Delay
Digital	BOSS DD-2 Digital Delay
Mod Delay	Ibanez DML Modulation Delay
Tape Echo	Maestro EchoPlex EP-4
Phi Delay	Phi Delay

Reverb

Effect	Model
Room	T-Rex Room Mate Reverb
Hall	Lexicon 224 Hall Reverb
Plate	EMT 140 Plate Reverb
Spring	Vintage Spring Reverb
Damp	NUX Damp Reverb

USB audio interface

It also functions as an audio interface when connected to a PC via USB. Since it also has built-in IR, you can expect a sound like playing an amp even in line recording.

Bluetooth audio and a dedicated app

By connecting to a mobile device via Bluetooth, you can play music played on the device such as YouTube while playing the guitar or bass at the same time. You can also use the dedicated app “MightyAmp”. In this app, you can remotely control the settings of the amp and edit and save presets.

[App] Drum patterns, jam tracks

The app includes backing tracks that can be used for practice such as improvisation. Drum patterns with only rhythm are also available. You can adjust the tempo and volume of the backing track and drum pattern.

[App] Tuner function

The app also includes a tuner function. It is convenient because you can tune in while looking at the mobile device screen.

Cons

1. No built-in rechargeable battery
2. Limitations of sound due to size and housing material

No built-in rechargeable battery

The biggest disadvantage is that it does not have a built-in rechargeable battery. It operates on 6 AA batteries or an AC adapter. If you want to use it outdoors, you need to prepare batteries separately.

Limitations of sound due to size and housing material

Due to its small size and plastic housing, there are limitations to the sound. It is not suitable for those who are particular about the sound, but it is enough for practice and warm-up before live performances.

Comparison of specification differences with the old model

	NUX Mighty Lite BT	NUX Mighty Lite BT MKII
Price	$99	$99
Output	3W	3W
Speaker	3 inch	3 inch
Bluetooth	Yes	Yes
Amp Modeling	9 types	21 types: Guitar 17, Bass 4
IR (Impulse Response)	No	34 types
Effects	9 types	41 types: Noise Gate1, EFX19, Modulation11, Delay5, Reverb*5
App Features	Drum, Jam Track, Tuner	Drum, Jam Track, Tuner, Patch Share
Presets	3	7
USB Audio Interface	No	Yes
Power Supply	Power Adapter, 6 AAA Batteries	Power Adapter, 6 AAA Batteries, USB Type-C
Dimensions	190 x 135 x 85 mm	166 x 98 x 124 mm
Weight	1000 g	720 g

The new model has been significantly upgraded from the old model. The number of amp modeling has increased from 3 types to 21 types, and the number of IR has increased from 0 to 34 types. In addition, it has been equipped with a USB audio interface function and a dedicated app. There is no reason to buy old-model now.

Comparison of differences in specifications with Nux Mighty Air

	NUX Mighty Air	NUX Mighty Lite BT MKII
Price	$189	$99
Output	2 x 10W	3W
Speaker	2 x 2.5 inch	3 inch
Bluetooth	Yes	Yes
Amp Modeling	13 types: Guitar 9, Bass 4	21 types: Guitar 17, Bass 4
IR (Impulse Response)	19 types	34 types
Effects	19 types: Noise Gate1, EFX9, Modulation3, Delay3, Reverb*3	41 types: Noise Gate1, EFX19, Modulation11, Delay5, Reverb*5
App Features	Drum, Jam Track, Tuner, Patch Share	Drum, Jam Track, Tuner, Patch Share
Presets	9	7
USB Audio Interface	Yes	Yes
Power Supply	Power Adapter, Built-in Rechargeable Battery	Power Adapter, 6 AAA Batteries, USB Type-C
Dimensions	180 x 100 x 130 mm	166 x 98 x 124 mm
Weight	1.2 kg	720 g

The Nux Mighty Air is a wireless amp that is one size larger than the Mighty Lite BT MKII. The Mighty Air has a built-in rechargeable battery and a wireless system, but the price is also higher. The Mighty Lite BT MKII is recommended for those who want a compact and cost-effective amp.

Mighty Air is recommended for

• Want to use wireless together
• Want a rechargeable battery because replacing AA batteries is stressful.
• Want a cable-free setting for guitar, power supply, and operation.

NuX Mighty Air Review: An Affordable Wireless Amp vs YAMAHA THR10

NUX Mighty Lite MkII vs Blackstar FLY3 and Positive Grid Spark GO

	Blackstar FLY3	NUX Mighty Lite BT MKII	Positive Grid Spark GO
Price	$74.99	$99	$129
Output	3W	3W	5W
Speaker	3 inch	3 inch	2 inch x 1 + Passive Radiator
Bluetooth	No	Yes	Yes
Amp Modeling	2 types	21 types: Guitar 17, Bass 4	33 types: Electric 25, Acoustic 4, Bass*4
IR (Impulse Response)	No	34 types	No
Effects	1 type: Delay	41 types: Noise Gate1, EFX19, Modulation11, Delay5, Reverb*5	43 types: Noise Gate1, Compressor5, Distortion10, Modulation/EQ12, Delay6, Reverb9
App Features	No App	Drum, Jam Track, Tuner, Patch Share	Chord Analysis Display in YouTube, Automatic Jam Track Creation, Tuner
Presets	No	7	7
USB Audio Interface	No	Yes	Yes
Power Supply	Separate Power Adapter, 6 AAA Batteries	Power Adapter, 6 AAA Batteries, USB Type-C	Built-in Rechargeable Battery via USB Type-C Terminal
Dimensions	170 x 126 x 102 mm	166 x 98 x 124 mm	125 x 85 x 45 mm
Weight	900g	720 g	346 g

The pioneer in the market for small amps of this size was the Blackstar FLY3. Despite its desktop size, it became instantly popular for its significantly superior sound quality compared to traditional amps of the same size like Marshall or Fender. It doesn’t have effects or digital modeling amps, and its features are very simple. The EQ for tone adjustment is also just one knob. The “FLY3 Bluetooth”, which is the standard model FLY3 with Bluetooth functionality, costs $109.99. The Mighty Lite BT MKII is cheaper and can be said to have a good price-quality ratio.

The Blackstar FLY3 is recommended for people who:

• Want a mini amp with simple functions
• Dislike the cheap sound common to mini amps
• Don’t need effects or Bluetooth apps
• Prefer simple sound creation

On the other hand, the Positive Grid Spark GO is even more multifunctional. The app automatically generates jam tracks to match the chord progression you played, and it can analyze and display the chords of songs on YouTube. Built-in rechargeable battery, not AAA batteries, and its size is comparable to a compact effect, making it the most casual while offering top-notch sound quality.

The Positive Grid Spark GO is recommended for people who:

• Want to stick to sound quality as much as possible, even with the smallest size
• Prefer an amp that is as small and light as possible
• Want the features of the Spark app, such as chord analysis and jam track creation
• Are not good at sound creation and want to download and use the tones created by other users

The NUX Mighty Lite BT MKII is recommended for people who:

• Want a multifunctional mini amp at an affordable price under $100
• Are dissatisfied with the sound creation range of the FLY3, but don’t need as many features as the Spark GO

Positive Grid Spark GO Review: Comparison with Spark 40/MINI