Boss Katana-Air EX

Owner’s manual
Leaflet USING THE UNIT SAFELY
Transmitter
AC adaptor
Power cord

- Powerful desktop guitar amplifier with advanced BOSS wireless technology
- Rich, resonant stereo sound with dual five-inch speakers, wood cabinet with bass-reflex port, and 35 watts max power*
- Five versatile amp characters derived from the acclaimed Katana stage amplifier series, including a neutral amp character for acoustic-electric guitar and bass
- Over 60 world-class BOSS effects on board
- Class-leading BOSS wireless technology delivers rock-solid audio performance with ultra-low latency
- Compact wireless transmitter with up to 12 hours of runtime and integrated charging port in the amp
- Six onboard memories for storing favorite amp and effects setups
- BOSS Tone Studio mobile app (iOS/Android) with deep sound-editing tools and powerful practice features
- Download and share Livesets on BOSS Tone Exchange
- Built-in USB audio interface for computer music production
- Stereo line output with mic’d cab emulation
- Play along with songs from a mobile device or music player via the analog aux input or Bluetooth®
- Powered with the included adaptor, eight AA batteries, or optional Roland BTY-NIMH/A Rechargeable Amp Power Pack
- Control effects and more with the optional EV-1-WL Wireless MIDI Expression Pedal and FS-1-WL Wireless Footswitch (Please note that this amplifier accepts only one Bluetooth connected pedal at a time)

- Weight: 5.600kg
- Height: 236mm
- Width: 414mm
- Depth: 192mm

- Output
-
- Maximum power output: 35W (17.5 W+17.5 W)

- Rated power output: 20 W (10 W+10 W)
- (when using the alkaline batteries, Ni-MH batteries, Roland Rechargeable Amp Power Pack (BTY-NIMH/A))
Nominal Input Level
- INPUT: -10 dBu (1 M ohm)
- AUX IN: -10 dBu
Nominal Output Level
- LINE OUT (L/MONO, R): -10 dBu
Speakers
- 12 cm (5 inches) x 2
Controls
- POWER button
- Bluetooth button
- MASTER knob

- AMP TYPE knob
- GAIN knob
- VOLUME knob

- BASS knob
- MIDDLE knob
- TREBLE knob

- BST/MOD knob
- BST/MOD button
- DELAY/FX knob
- DELAY/FX button
- TAP button
- REVERB knob
- REVERB button

- CH A button
- CH B button
- PANEL button
Indicators
- POWER
- Bluetooth
- Guitar Wireless
- PANEL
- CH A
- CH B
- BST/MOD
- DELAY/FX
- REVERB
- TAP
Connectors
- Input jack: 1/4-inch phone type
- AUX IN jack: Stereo miniature phone type
- PHONES OUT jack: Stereo miniature phone type
- TRANSMITTER IN jack: Stereo 1/4-inch phone type
- LINE OUT (L/MONO, R) jacks: 1/4-inch phone type
- USB port: USB B type
- DC IN jack
Power Supply
- AC adaptor (DC 13 V)
- Alkaline battery (AA, LR6) x 8
- Ni-MH battery (AA, HR6) x 8(commercially available)
- Roland Rechargeable Amp Power Pack (BTY-NIMH/A)
Current Draw
- 680 mA
Expected battery life under continuous use
- Alkaline battery: Approximately 7 hours
- Ni-MH battery: Approximately 10 hours (When using batteries having a capacity of 2500 mAh.)
- Roland Rechargeable Amp Power Pack (BTY-NIMH/A): Approximately 16 hours
- These can vary depending on the specifications of the batteries, capacity of the batteries, and the conditions of use.
- Transmitter (WL-T)
Nominal Input Level
- INPUT: -10 dBu (1 M ohm)
Control
- Power button
Indicator
- BATTERY
Connectors
- Input plug: Stereo 1/4-inch phone type
- DC IN 5 V port: USB Micro-B
Power Supply
- Lithium-ion battery
- Supplied from the DC IN 5 V port
Current Draw
- 47 mA
Expected battery life under continuous use
- Approximately 12 hours
- 0 dBu = 0.775 Vrms

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.