Boss Katana Head Gen 3 / KTN-HEAD 3 (100W)

Owner's manual
Power cord
GA-FC sticker

- Third-generation Katana amplifier with evolved Tube Logic sound and expressiveness
- Stage-ready 100-watt amp head with a built-in 5-inch practice speaker
- Six amp characters—including the newly developed Pushed type—plus a selectable variation for each
- Five independent effects sections: Booster, Mod, FX, Delay, and Reverb
- Bloom switch engages a dedicated circuit that revoices the amp’s feel and response
- Three-way Contour for shaping the overall tonal color
- Three Cabinet Resonance options: Vintage, Modern, and Deep
- Eight Tone Setting memories for storing all amp and effect settings
- Power Control for achieving cranked-amp tone and response at low volumes
- Updated Boss Tone Studio app (Windows/macOS) for remote editing from a computer or mobile device
- Download and share Katana sounds on BOSS Tone Exchange
- Compatible with sounds created on previous stage-class Katana models
- Versatile Connectivity
- 8-ohm speaker jack
- Power Amp In for preamps, modelers, and multi-effects
- Stereo Expand function to link with a second Katana amp
- Send/return loop for external pedals
- Stereo headphones jack, line output, and USB output with IR-based cabinet sound
- Record/playback tracks in music production software on a computer or mobile device* via a USB-C®
- MIDI input for advanced remote control
- Compatibility with all third-party devices and software is not guaranteed.
- Expansion Options
- Jacks for up to two footswitches and an expression pedal
- Supports the GA-FC and GA-FC EX Foot Controllers for complete stage control
- Optional Bluetooth® Audio MIDI Dual Adaptor (BT-DUAL) for wireless audio playback from a mobile device and remote editing from the BTS app (iOS/Android)
- BOSS Tone Studio
- Newly updated interface for a more intuitive workflow
- Customize the onboard effects with over 60 premium BOSS types
- Detailed amp and effect editing tools, including deep parameter controls, effect order, and more
- Customize the IR-based cabinet sound for the headphones, line out, and USB recording output
- Fine-tune the three Contour settings
- Shape the overall tone with multiple EQs
- Effect loop controls, including post amp/post reverb positioning and series/parallel operation
- Save and organize Livesets for different playing applications

- Weight: 8.800kg
- Height: 228mm
- Width: 470mm
- Depth: 215mm

- Rated Power Output
- 30 W (Using internal speaker)
- 100 W (Using external speaker)
Nominal Input Level
- INPUT: -10 dBu (1 M ohms)
- AUX IN: -10 dBu (20 k ohms)
- RETURN IN: -10 dBu (100 k ohms)
Speaker
- 12 cm (5 inches) x 1
Controls
- POWER switch
- PRESENCE knob
- MASTER knob
- SOLO button
- POWER CONTROL switch (STANDBY, 0.5 W, HALF, MAX)
- CAB RESONANCE switch (VINTAGE, MODERN, DEEP)
AMPLIFIER]
- VARIATION button
- BLOOM button
- AMP TYPE knob (ACOUSTIC, CLEAN, PUSHED, CRUNCH, LEAD, BROWN)
- GAIN knob
- VOLUME knob
EQUALIZER]
- CONTOUR button
- BASS knob
- MIDDLE knob
- TREBLE knob
EFFECT]
- BOOSTER button
- MOD button
- FX button
- DELAY button
- REVERB button
- TAP button
- BOOSTER knob
- MOD knob
- FX knob
- DELAY knob
- REVERB knob
TONE SETTING]
- CH1 button
- CH2 button
- CH3 button
- CH4 button
- PANEL button
STEREO EXPAND]
- STEREO EXPAND switch
Indicators
- VARIATION
- BLOOM
- ACOUSTIC
- CLEAN
- PUSHED
- CRUNCH
- LEAD
- BROWN
- CONTOUR
- BOOSTER
- MOD
- FX
- DELAY
- REVERB
- TAP
- SOLO
- CH1
- CH2
- CH3
- CH4
- PANEL
Connectors
- INPUT jack: 1/4-inch phone type
- POWER AMP IN jack: 1/4-inch phone type
- LINE OUT jack: 1/4-inch phone type
- SEND jack: 1/4-inch phone type
- RETURN jack: 1/4-inch phone type
- SPEAKER OUT jack: 1/4-inch phone type (Minimum 8 ohms)
- STEREO PHONES jack: Stereo 1/4-inch phone type
- EXP PEDAL jack: 1/4-inch TRS phone type
- GA-FC/CTL CH1/CH2 SOLO jack: 1/4-inch TRS phone type
- AUX IN jack: Stereo miniature phone type
- USB port: USB C type
- MIDI IN connector
- BLUETOOTH ADAPTOR SLOT: BluetoothⓇ Audio MIDI Dual Adaptor
- AC IN jack
Power Consumption
- 77 W

Katana-the traditional sword carried by the historic samurai of Japan-is a symbol of honor, precision, and artistry in Japanese culture. Adopting the majestic sword's name with pride, the Katana series presents guitar amplifiers with smooth, cutting tones honed by generations of dedication and expertise. 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.