BOSS KTN-100 Katana 100W 1x12 ...

£299.00 Available to Order

BOSS KTN-100 Katana 100W 1x12 Combo

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Bundle Price: £388.00

Manufacturer's ID: KTN-100

What we say:

BOSS’s highly impressive new range of KATANA amps have been developed by the same team behind the boutique-style Waza Craft pedals. Their goal with the Katana range was straightforward and admirable: to capture and bottle the most incredible high-gain distortion known to man or beast. With the Brown channel (guess the inspiration there!), we are happy to report that they have largely succeeded!

There are actually five independent channels on the KATANA: clean, crunch, lead, brown and acoustic. The last is actually voiced for electro acoustic guitars. There is also a selection of on-board effects, too, making this one heck of a well spec’d amplifier for pretty much everyone out there!

We were well impressed with each of the channels: the clean sound responded very well to picking dynamics and was sweet and full of tone, the crunch channel had us playing for about half an hour with out touching any other controls on the amp and the brown channel kick us in the chest with a distinctly upper-echelon sounding high-gain drive, the likes of which we have not heard form BOSS ever before! We would happily take a KATANA along to out next gig: the features are plentiful but more importantly, the sound is incredible.

This model is a 1x12 100watt combo, portable enough for the home and punchy enough for smaller stages. Hard rock and metal fans will probably stay on the Brown channel but there are so many combinations of the five channels and 55 effects to be had, you can really spend some quality time dialling custom tones. Use the Power Control feature to retain all of the feel an dynamic of a loud signal but at a low volume. Plug in and be impressed.


Born of the development process behind the acclaimed Waza amplifier, these innovative amps embody BOSS’s determined pursuit of the ultimate rock sound. Featuring proprietary circuit designs and meticulous tuning, the Katana series combines traditional craftsmanship and breakthrough functions to produce true next-generation rock amplifiers.

With 100 watts of power and a custom 12-inch speaker, the Katana-100 delivers a commanding range of gig-worthy tones that gracefully slice through any band scenario. The amp also excels for home playing, with a uniquely efficient design and innovative Power Control that provides inspiring sound and response at low volumes. In addition, the Katana-100 includes integrated access to 55 BOSS effects, which are customizable using the free BOSS Tone Studio editor software. Up to 15 different effects can be configured in the amp at one time, enabling you to bring fully prepared tones to the stage in one amp.


  • Stage-ready 100-watt combo amp with a custom 12-inch speaker
  • Five unique amp characters: Clean, Crunch, Lead, Brown (derived from the Waza amp), and Acoustic (for acoustic-electric guitars)
  • Choose from 55 customizable effects with BOSS Tone Studio editor software
  • Store 15 different effects on board, with three effects available simultaneously
  • Dedicated gain, EQ, presence, and effects controls for adjusting sounds quickly
  • Four memories for storing and recalling all amp and effect settings
  • Power Control for achieving cranked-amp tone and dynamic response at low volumes
  • Built-in tilt stand for optimal monitoring and sound projection
  • Pro setups available at BOSS Tone Central

A Refined Amp with Inspiring Tone
Designed for guitarists who are serious about their sound, the Katana-100 offers exceptional tone and touch response for stage playing, recording, and simply practicing at home. The custom 12-inch speaker is driven by a special method developed for the flagship Waza amp that optimizes the speaker and cabinet character. This gives you authoritative punch and cutting presence previously attainable only with high-end amp designs. In combination with the five selectable amp characters, the Katana-100 produces class-defying power and expressiveness to meet any playing situation.

Five Original Amp Characters, Honed for Rock Playing
Sharpened to perfection by the BOSS engineering team, the Katana-100’s five amp characters offer everything from organic vintage tones to modern high-gain sounds. Clean is natural and transparent, while Crunch offers satisfying grit and response. Lead has a wide gain range to suit many styles, from fat, stinging blues solos to fluid legato shredding. With DNA inherited from the Waza amp, Brown delivers refined high-gain tone sought after by the world’s greatest rock players. The Acoustic character further enhances the Katana’s versatility, providing optimized tone that makes acoustic-electric guitars sound stunningly natural.

Leave Your Pedalboard at Home
With its built-in BOSS effects and recallable Tone Settings, the Katana-100 lets you perform anywhere with just a guitar and amp. Connecting to BOSS Tone Studio via USB provides access to 55 effects that are fully customizable for your needs. Going beyond standard distortion, delay, and reverb, the selection also includes powerful tone-shapers like pitch shifting, ring mod, slicer, and more. You can load 15 different effects in the amp at one time and use up to three simultaneously. Four Tone Settings let you store custom amp and effects setups for instant recall, and you can always jump to the current panel settings at the touch of a button. It’s also possible to connect optional footswitches and expression pedals for hands-free control on the gig.

Grab-and-Go Operation
While the Katana-100 includes many advanced features, it’s amazingly simple to operate. Dedicated knobs for multiple gain stages, three-band EQ, and presence allow you to quickly dial in your tone by ear, just as you would with a standard tube amp. Essential effects parameters are adjusted with a simple knob twist, and memories can be stored with a brief button hold. The Power Control is great for throttling back the volume for small stages and home playing, and also includes a Standby setting that mutes the sound for switching guitars or taking breaks. And by flipping out the integrated tilt stand, you can easily angle the amp back for better sound projection.

BOSS Tone Central
At the BOSS Tone Central website, you’ll find numerous free amp and effects setups for the Katana series. Created by pro guitarists, these setups provide ready-to-play sounds for various music styles, and also make great starting points for building your own sounds. They load into the memories in a Katana amp via the BOSS Tone Studio editor software, which is also available at the site. In addition to Katana effects selection and customization, BOSS Tone Studio gives you a convenient way to organize all your Katana setups for different gigs, recordings, and practice sessions.

- Rated Power Output

100 W

- Nominal Input Level
INPUT: -10 dBu (1 M ohm)
AUX IN: -10 dBu (20 k ohms)
RETURN IN: -10 dBu (100 k ohm)
- Speaker
30 cm (12 inches) x 1

- Controls
POWER switch
POWER CONTROL switch (STANDBY, 0.5 W, 50 W, 100 W)

GAIN knob

BASS knob

DELAY/FX button
REVERB button
TAP button

CH1 button
CH2 button
CH3 button
CH4 button
PANEL button

- Indicators

- Connectors
INPUT jack: 1/4-inch phone type
AUX IN jack: Stereo miniature phone type
REC OUT/PHONES jack: Stereo 1/4-inch phone type
SEND jack: 1/4-inch phone type
RETURN jack: 1/4-inch phone type
LINE OUT jack: 1/4-inch phone type
EXP PEDAL/CTL CH1/CH2 jack: 1/4-inch TRS phone type
GA-FC jack: 1/4-inch TRS phone type
USB port: USB B type
AC IN jack

- Power Consumption
77 W

- Dimensions
530 (W) x 248(D) x 484(H) mm
20-7/8 (W) x 9-13/16 (D) x 17-1/2 (H) inches

- Weight
14.8 kg
32 lbs 11 oz

- Accessories
Owner's manual
Power cord
GA-FC sticker

- Options (sold separately)
Footswitch: BOSS FS-5L, BOSS FS-6, BOSS FS-7
Expression pedal: Roland EV-5, BOSS FV-500L, BOSS FV-500H

* 0dBu=0.775 Vrms

Was £316.00 Save £17.00


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Includes extended exchange

Buy with confidence: Items bought 1st October 2019 to 24th December 2019 are eligible for our Extended Christmas Exchange and can be exchanged until Friday 31st January 2020. Learn More

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Customer reviews

Overall Rating 4.7 (11 reviews)

It?s an amazing sounding amp and is easily used. Would recommend reading the manual before setting up cause there are some hidden features that isn?t mention in the specs

Jack W. - 11/6/2019

Elliot M. - 20/5/2019

Great value for money. 100 watts more than enough for most uses.

paul d. - 9/3/2019

Brilliant amp for the money even better than i thought it was going to be

Chris N. - 20/6/2018

Torin G. - 19/6/2018

I bought this amp on a whim but it has become my favourite - it's very versatile as it still sounds good when turned down for home practice but has plenty of power when taken out to play :) The onboard effects are okay but I find them confusing to use and prefer to use my pedals overall.

Dave C. - 10/4/2018

GEORGIOS P. - 20/2/2018

Love the amp, Boss Tone store is amazing with 8 channels (9 counting Panel) all at your feet. Retired my old Boss ME 50, sommany effects on the Katana.

PETER D. - 15/2/2018

My son loves the amp, plenty of features, and a great sound.

Jill L. - 15/2/2018

John R. - 15/2/2018

Great sounding amp + lots of build-in effects

Dorian G. - 31/12/2017

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