Boss Katana 50 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.

Combo for Electric Guitar

  • Power: 50 W.
  • Equipped with: 12" Custom speakers
  • 5 Amplifier types: Clean, Crunch, Lead, Brown & Acoustic
  • 5 Independent effects: Booster, Mod, FX, Delay and Reverb - 3 of them can be used simultaneously
  • 4 Memory locations for amplifiers and effects settings plus panel setting
  • Power amp input for the use of multi-effects devices
  • Power Control (0.5 / 25/50 watts) for full 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 customization software with over 60 different Boss effects, channel and global EQs, customisable routing and more (free on
  • Connection option for up to two foot switches
  • Dimensions (W x D x H): 470 x 238 x 398 mm
  • Weight: 11.6 kg
  • Matching footswitch FS-6: Art.173531 (not included)
  • Matching expression pedal: Art.102890 (not included)
No JavaScript? No Audio Samples! :-(

Audio Examples

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

Further Information

Power 50 W
Speaker 1x 12"
Memory slots 4
Reverb Yes
Effects Processor Yes
External FX Loop No
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 11,6 kg

This product is currently sold out

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155 Customer Ratings
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  • 1
4.8 /5
  • handling
  • features
  • sound
  • quality
I wish I could give 6 stars to this amp
HaCan, 06.01.2021
I bought this amp at the beginning of 2020 (so the beginning of the pandemic) since I needed an amp that I can use at home, without waking up my neighbors. Before purchasing this one, I tried other practice amps but I wasn't satisfied. After I bought this one, I ended up using it more than my Marshall and Fender amps!

- This is not a modeling amp! In other words, it does not try to replicate the sound of a Marshall, a Fender, a Vox, an Orange, etc. It has its own characteristics as an amp.
- The amp types/channels (Clean, Crunch, Lead, and Brown) do what they are supposed to do! I mainly use the clean and crunch channels. The clean channel is great, with a little bit of reverb, your licks sound fantastic. The crunch is my favorite, it just adds the right amount of crunchiness, such that the pedal effects that come after still sound fantastic! I rarely use Lead and Brown channels, even though I play metal %40 of the time.
- Then there are the effects, which can be controlled/adjusted with Boss Tone Studio. Now, this is where the modeling happens! Clever guys at Boss came up with digital processing algorithms to replicate the sound of very famous pedals (Muff Fuzz, Rat, DS-1, etc.). On top of that, there are lots of modulation and FX options that you can play with.
- The speaker sounds good in all settings. It is loud enough if you use it in 50W mode (for bedroom usage, 0.5W is also great!).
- The USB connection is very useful when you want to record your guitar without any microphones.

Cons: (These are cons that are expected and they are no reason to affect the rating.)
- No FX loop. So if you want to connect external pedals, you have to connect them in front of the amp, which may/will result in unwanted sound effects in certain situations.
- It doesn't support a decent footswitch controller as its big brother 100W does. Therefore, turning on/off the effects can become really annoying, since you have to turn the knobs to (de)activate the effects.
- In order to play some songs through the speakers of this amp by using your PC/Mac, you have to connect it through the aux-in connection of the amp. You cannot use the USB connection for this reason.
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Very nice modelling amp.
Irish Dar, 18.11.2020
Ive had this for several months now, and it is the product I expected.
I have not gigged with it, although with the addition of the pedal selector, no reason why you couldnt (other than how loud you need). With the pedal I can basically choose from four saved tones (and the panel).
I find it shines in the studio. There are a plethora of tones and styles can be achieved especially when hooked up to a laptop that combined with the presets provided, you can keep library upon library of your own saved sounds.
Great sound opportunities and inspiration. Great for studio.
All presets not easily accessed on the fly so might not suit all for live performance.
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Simply one of the greatest amps I've ever owned
Kalle W., 22.01.2021
This little amp packs a lot of features and quality at a very affordable price. It is ideal for home use and practice, but can easily hold its own in a studio or live setting as well! It is versatile and portable, and a one-stop solution for most use cases really.

I have mainly used it for home use, practice and playing together with the kids, at a low volume setting and with the output switch set to 0.5W - which still can get loud if you want. At 25W or 50W it can shake walls.

The speaker is well suited to the cabinet and sounds available, it sounds really good. The effects are quality effects, both delay and reverb I have used extensively. The tremolo and auto-wah etc I have not used as much, but they also sound good. A surprising amount of quality features in a small frame at a decent price.

While the cleans may not be as sparkling or warm as in my old Fender tube amp, they are still very good. While the distorted chug may not be quite as solid as in a Peavey or Marshall setup with 4x12 cabinets, it is still extremely good - and you only need to carry the little amp around, no extra cabs or cables or anything!

I am extremely happy with this amp, and it is essentially the only one I use these days (my other modeling amps like Spider and Micro Cube are currently gathering dust, together with my old Marshalls and Fenders that are more suited to live or studio use)

I recommend this amp to anyone wanting to play guitar, beginner or pro, that does not want to lug a huge amount of stuff around, or that wants to play in different settings (live, home, studio etc) using the same setup.
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The Star Wars Cantina, 07.10.2020
I bought for my nephew who just started guitar. I heard good things about the Katanas over the past few years and even seen musicians play them in pubs which sounded great.

As a seasoned guitarist who uses higher end tube amps, I was honestly shocked when I played it myself how good it was.

The price of the amp is a steal. If you're starting out and need an amo, you're are crazy not to get one. It's hands down the best bang for buck solid state amp on the market. I only wish it was around when I was growing up.
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