Boss Katana 100 KTN-100MKIII 112 Combo w/ Footswitch

Boss Katana-100 MkIII (KTN-100MKIII) 1x12 Combo Amplifier

Condition: Excellent
Power: 100 Watts
Type: Solid-State Modeling Combo Amplifier
Speaker: 1 × 12" Custom Boss Speaker
Includes: Power cable and footswitch

Overview

The Boss Katana-100 MkIII takes the award-winning Katana series to the next level, delivering professional-grade tone, versatility, and performance for guitarists of every style. With five amp characters — from crystal cleans to searing high-gain — and five independent effects sections, the Katana-100 MkIII is your all-in-one tone powerhouse.

Building on the success of the MkII, the MkIII adds enhanced tone-shaping options, an updated Cab Resonance section, and expanded Boss Tone Studio integration for deep customization. Its 100 watts of power and 12" speaker make it ideal for gigs, studio sessions, and practice alike. Whether you’re plugging straight in or using it with external gear, this amp delivers inspiring tone, feel, and flexibility.

Features

• 100-watt combo amp with custom 12" speaker

• Five amp types: Acoustic, Clean, Crunch, Lead, and Brown

• Three variations per channel for 15 total amp tones

• Five independent effects sections: Booster, Mod, FX, Delay, and Reverb

• New Cab Resonance controls for fine-tuning feel and response

• Power Control (0.5W, 50W, 100W) for cranked tones at any volume

• Tone Studio MkIII software for deep editing and tone management

• Stereo expand and cab emulation outputs for live and recording flexibility

• USB-C audio interface for direct recording and re-amping

• Footswitch and expression pedal compatible

• Lightweight yet road-ready design

Specs

• Power Output: 100 Watts

• Speaker: 1 × 12" Custom Boss

• Amp Types: Acoustic, Clean, Crunch, Lead, Brown (3 variations each)

• Effects: Booster, Mod, FX, Delay, Reverb (60+ Boss effects total)

• Controls: Amp Type, Gain, Volume, 3-Band EQ, Presence, Effects, Power Control

• Connectivity: USB-C, Phones/Rec Out, Line Out, Send/Return, Aux In, Footswitch In

• Dimensions: 20.9" x 9.8" x 17.5"

• Weight: 32.6 lbs