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Boss Katana 100 MKII

This item runs exclusively on an operating voltage of 230V and therefore requires a voltage transformer to run in your country of United States of America.

Electric Guitar Combo

  • Power: 100W
  • Equipped with 12" custom speakers
  • 5 Amp types: Clean, Crunch, Lead, Brown & Acoustic
  • 5 Independent effects: Booster, Mod, FX, Delay and Reverb - 3 of them simultaneously
  • 4 Memory slots for amplifiers and effects settings plus panel setting
  • Power Amp input for the use of multi-effect devices
  • Power Control (0.5 / 50/100 watts) for fully turned amp sound at any volume
  • Controls: Amp Type, Gain, Volume, Bass, Middle, Treble, Booster / Mod, Delay / FX, Reverb, Master & Power Control, Sounds
  • Updated Boss Tone Studio sound customisation software with over 60 different Boss effects, channel and global EQs, customisable routing, and more (free on
  • Dimensions (W x D x H): 530 x 248 x 484 mm
  • Weight: 14.8 kg
  • Suitable footswitch: Boss GA-FC Art.431181 (not included)
  • Suitable dust cover: Art.438090 (not included)
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Audio Examples

  • Thrash
  • Swing Violin
  • Resonator 2
  • Rockabilly
  • Prog
  • Fuzzline 1
  • Bluesline
  • Hazey
  • Rock
  • Sololead
  • Bluesrock
  • Bluespicking
  • Funk 2
  • Jazz 2
  • Metal 2
  • Mosh
  • Show more

Further Information

Power 100 W
Speaker 1x 12"
Memory slots 8
Reverb Yes
Effects Processor Yes
External FX Loop Yes
Line input Yes
Recording Output Yes
MIDI Interface No
Connection for External Speaker No
Headphone Output Yes
Footswitch connection Yes
incl. footswitch No
Weight in kg 14,8 kg

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Our most popular Modelling Guitar Combos
113 Customer Ratings
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Great amp for beginners
anonym5, 25.04.2021
I moved to the Katana after my starter pack of Fender Squier with the Frontman 15G. I was pretty happy with my Frontman, but I decided to try and expand my possibilities with the Katana.

Buying the Katana was a great decision that allowed me to evolve as a guitarist and learn about tones. I moved from the two channels (clean / overdrive) of my previous amp to all the different amp modes of the Katana (4 with variation + acoustic) and all the effects it includes. I think this is a great option for exploring possibilities and checking out how different pedals / effects sound for those who are not very familiar with tone crafting. At this point I have to say that the sheer number of possibilities can be daunting, but you can always start from the presets or third-party tones available in online communities.

- A lot of effects and amp modes with endless possibilities for different tones, which allow trying new sounds, especially useful for beginners.
- You can connect it to your computer for recording or to manage the tones through the GUI.
- 8 patches can be stored in memory, allowing to switch between different tones quickly without using the computer. For this, the switch pedal sold separately is great, allowing to switch while playing.
- The effects loop comes in quite handy for my looper pedal.
- The amp sounds great to my inexperienced ears.
- The power switch allows to play indoors without the neighbors having to call the police.

- With the huge number of possibilities it might be a daunting task fiddling around with all the options to find the tones you like. Also, the official tone patches were quite limited last time I checked, relying heavily on non-official communities.

Overall, I am really happy with my purchase and would never think about going back to my Frontman after this, I think it's great value for the money. I would recommend buying it with the switch pedal for changing channels while playing.
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Versatile Amp
Cian M., 16.06.2021
Using the Boss Katana with a GA-FC and Expression pedal really opens up access to a variety of tones and effects from the amp.
I have not enjoyed the sound or experience of modelling amps until I tried this one. The tone is good, most of the effects seem to be near perfect emulations of the actual pedals.
The software to edit amp settings really allows for a wide tonal palette for your amp but can be a bit tricky to learn and set up (i spent the first 2 days just creating/editing tones & patches for the amp). But it is worth it.
The amp itself is also not the heaviest. It is a comfortable weight to be carried by the handle. (something I noted as a gigging musician)
The power adjustment (0.5W, 50W, 100W) is exremely useful going from apartment, to practice space, to the gig.
This is by far the most versatile jamming & gigging amp I have come across, but it is essential to have a footswitch (and expression pedal) to exploit the amps features.
As an added bonus the software allows you to assign quite a few footswitches and expression pedas to give you very detailed control of your sounds & patches from your feet.
It is definitely a great foundation for a customisable rig!
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ridiculous value for money
rickross, 07.08.2020
this amplifier is seriously worth every penny. I was reluctant to buy this as I love my fender Blues Junior and Vox ac 15, both being valve amps.
I thought I'd never appreciate a solid state amp but after hearing them at live shows and using my friends Katana i was blown away with the quality and sound and had to get one. Ive now had it for a little over a year, pre corona virus I have gigged with it and no complaints at all. Its the perfect home studio amp with its power control options you can set what wattage you need for your surroundings which is a vital feature for a home studio... I find the tone setting one of the most important features because you have 4 chanels where you can save the EQ, effects amd ampliefier settings to each chanel so when you come back to it its not lost if you found the perfect sound! so handy

I find the Pros of this amp are the four chanel selections that you can save for your own personal tones and sounds.

four different amp types all having a different variation and an additional acoustic amp which sounds absolutely brilliant

the ease of use


it would be nice if BOSS supplied a foot switch and a cover, other than that its a must have for any music enthusiast, session musician, home studio, gigging musician

Thomann as usual provided amazing efficient service and had the amp sent to me in very short time which was an added bonus
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Very good amp
TipoC, 10.05.2020
Very well made amp, top quality.
The sound of the clean channels is awesome. It's what I was looking for because I use a lot of pedals and it takes them very well. Love the sound.
I use it with single coils and with humbuckers

I don't like too much the dirty channels, they are okay but not awesome. You can work with them if you don't have good distorsion and overdrive pedals. Same with the booster effects, some of them sound good but in general I don't like much the sounds. I'm sure you can find good distorted sounds if you spend hours with the Tone Studio software but it's not worth it for me. I will use pedals most of the time.
The best dirty channel for me is the Lead. Crunch is ok. Brown I don't like much.

That said, the amp is amazing, I love it.
The modulation/fx effects, delay and reverb sound good, and as I already said the clean channels are amazing and take very well effect pedals.
And also important you can change whatever you want with the Tone Studio software.

Very happy with my Katana. I totally recommend it.
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