01273 665 400
lines open 7 days a week Until 9pm on weekdays!
  1. Home
  4. BOSS

Boss KTN-AIR Katana Air 30W Wireless Guitar Amp

Click 'add to basket' to see 6 add-on deals!
Finance Options

Repayments from £9.22 per month

V12 Finance logo
Subject to status. Minimum spend applies

Boss KTN-AIR Katana Air 30W Wireless Guitar Amp

Here’s What Boss Say:
"The Boss Katana-Air allows you to experience the joy of playing your instrument without the hassle off plugging in an amplifier, your pedalboard, a computer and messy cables. With Katana-Air, simply plug the wireless transmitter into your instrument, pick it up and play away until your heart’s content. When finished, place your guitar down and the Katana-Air will turn itself off after a short period of inactivity. When you pick the guitar up oncemore, the Katana-Air will power back on, ready to play again. A big issue when using a traditional amplifier with a pedalboard, is the amount of cables, time it takes to set up and space it takes up in the home. The Katana-Air utilises the technology found in the Boss Katana Amplifier Range, as well as access to Boss Effects Pedals. You can choose between all your favourite amp voicings, dime in your ideal tone and access 50+ effects without taking up any additional room than the Katana-Air itself. You can access numerous different amp sounds, effects pedals and download free artist patches, so all types of musician can use KATANA-AIR. The Boss Tone Studio and Boss Tone Central apps are free to download to your favourite Smart Device and you connect to them wirelessly via Bluetooth. The Katana-Air is not just a guitar amplifier, as the stereo speakers have been optimised for all the effects, meaning you have a really spacious tone. You can also wirelessly stream audio via Bluetooth, turning the Katana-Air into a high-quality soundbar speaker. The sleek size and easy portability means the Katana-Air can be used at home, at a BBQ, on the beach or on top of a mountain. Whereever you want to play guitar/listen to music, the Katana-Air is your perfect travel companion. For users that would like a wireless experience, but without projecting out loud/disturbing anyone around you, check out the Waza-Air. The KATANA-AIR comes with a 3-year warranty when registered with Roland Backstage."

Overview By GAK

The Boss KATANA-AIR is the first fully wireless solution to playing the guitar on the market. Where the Boss KATANA-AIR Katana Air 30W Wireless Guitar Amp can be used as a conventional guitar amp, the KATANA-AIR can be powered by x8 rechargeable AA batteries, with up to 10 hours of continuous playing time (when powering off rechargeable Ni-MH batteries). As well as using the included wireless transmitter to connect your chosen instrument, users can also stream the audio from your smart device via Bluetooth. The KATANA-AIR is a Wireless Guitar/Bass Amplifier, meaning that you can play your guitar/acoustic/bass anytime, anywhere, without any messy cables or hunting for a plug socket.

There are 5 amp voicings on the Boss KATANA-AIR - Acoustic, Clean, Crunch, Lead and Brown. Clean has the classic American-Style bright/spangly clean sound. Crunch responds just like a traditional Class A vintage British amplifier. The Lead voicing is a modern American-inspired high gain amp. The “Brown Sound” is the essence of the iconic tone of the late Eddie Van Halen and is similar to his classic vintage tone, where the valves of the amp are pushed to the limit - it’s so loud, you might as well jump! The Acoustic voicing transforms the Katana Air into an acoustic guitar amplifier, meaning it’s not just for electric guitars!

The Boss KATANA-AIR gives users over 50 iconic effects pedals, ranging from drives, distortions, modulations, reverbs, delays, special effects, EQs and many more. When using the BTS app, you mix and match any of the 50+ pedals, allowing you to build your dream pedalboard rig. There are 6 patch locations that can be saved directly to the KATANA-AIR, as well as a patch librarian for you to store hundreds of customised pedalboards to the BTS App.

The WL-T Wireless Transmitter, that comes included with the KATANA-AIR, is the same that comes with the Boss WL Systems. It can be provided up to 12 hours of continuous use when fully charged by the micro-USB cable (also included). The WL-T comes fitted with an Auto-On function, powering the transmitter on as soon as you plug it into a jack input. The WL-T has Motion Sensor Technology, which automatically powers off the transmitter after a short period of non-use. It will also power back on again as soon as you pick up your instrument. There is also Audio Detection, meaning that if you were to plug the WL-T into a pedalboard, the moment you start playing, the transmitter will automatically power on. Audio Detection will even turn the WL-T off again after 60 minutes of receiving no audio signal. Both Motion Sensing or Audio Detection are designed to save the battery of the WL-T, so you can play for longer. Either can be enabled within the Boss Tone Studio for KATANA-AIR App.

All of this technology is easily controlled by the free Boss Tone Studio for KATANA-AIR App. Which is available for both iOS and Android devices. It connects wirelessly to your smart device and allows you to access all the detailed settings of the KATANA-AIR Amplifier. You can create/edit your own patches as if you were controlling the sound of a physical amplifier/pedalboard setup and save them to the directly to the amp. You can even download free artist patches from Boss Tone Central. Users of the popular Boss Katana Amplifier Range will recognise the interface of the BTS app.

The Katana-Air can seamlessly integrate with your recording setup, as there is a built-in USB interface. This allows you to record the audio directly to your favourite DAW, without needing a microphone and messy cables - it’s really is completely hassle-free! You can use the Record Out (this will disable the internal speaker on the KTN-AIR), to connect to a PA System for live use or run the amp into your favourite preamp. Both USB and phones/recording outputs have Mic’d cabinet emulation, with three Air Feel types and three Cabinet Resonance settings, optimising your Katana Air at home, in a studio or for small performances.

For users that would like a wireless experience, but without projecting out loud/disturbing anyone around you, check out the Waza-Air.

Overview By Boss


Meet the KATANA-Air, the world’s first totally wireless guitar amplifier. Featuring new cutting-edge wireless guitar technology developed by BOSS, the KATANA-Air gives you the freedom to jam and practise without hassling with guitar cables. And with support for battery operation, there’s no need to plug into AC either, so you can literally play anywhere!

Though compact in size, the KATANA-Air is serious about sound quality. Equipped with pro amp tones and effects from the performance-class KATANA amplifiers, this wireless wonder delivers premium guitar sounds for any style of music. To further extend the cable-free experience, you can wirelessly edit and organize sounds with a dedicated app and jam with songs streamed from your smartphone. With the innovative KATANA-Air and your favourite axe, casual playing has never been more convenient and inspiring.

Download “BOSS Tone Studio for KATANA-AIR” for iOS
Download “BOSS Tone Studio for KATANA-AIR” for Android

The Ultimate Convenience for Jamming and Practice

With its premium KATANA sound engine and wireless operation, the KATANA-Air makes it easy to enjoy rich, dynamic guitar tones—complete with advanced BOSS effects—anytime and anywhere. And that means you’ll play more often, improve your skills, and have more fun. When you want to jam at home, there’s no need to set up your big rig or rely on the dry, boxy sound of a mini practice amp. Just plug the KATANA-Air’s transmitter into your guitar and riff with great sound from anywhere in the room! Thanks to its portable size and ability to run on batteries, the KATANA-Air is an equally great companion for travel, parties, jam sessions with friends, and more.

High-Performance Wireless Technology from BOSS

The KATANA-Air features new low-latency digital wireless guitar technology developed by BOSS, providing transparent sound and ultra-quick response without any lag or dropouts. The included custom wireless transmitter plugs into any electric guitar and has indicators for power and battery status. A convenient docking port in the amp charges the battery in the transmitter, providing up to 12 hours of total playing time per charge.

Always Ready to Play

Whenever the inspiration strikes, the KATANA-Air is always ready to go. It operates in standby mode to conserve energy when idle and instantly wakes when the transmitter senses motion. This means that you can leave the transmitter connected to your guitar, and then turn the amp on simply by picking up the instrument! And when you stop playing, the transmitter returns to standby mode to conserve your charge. In addition, the transmitter automatically establishes the optimum wireless connection when docked for charging, so there’s no complicated setup required.

Premium KATANA Amp and Effects Tones

Equipped with the same tones and sound-shaping controls found in the performance-class KATANA amplifiers, the KATANA-Air offers inspiring sounds for any style. Five unique amp characters provide a wide range of tones, from sparkling clean to BOSS’s custom high-gain Brown sound. There’s even an Acoustic character optimized for playing acoustic-electric guitar. The amp also provides integrated access to over 50 BOSS effects, including mod, delay, reverb effects optimized for the KATANA-Air’s stereo speaker system. And with six onboard memories, you can store and recall your favourite amp and effects setups at any time.

BOSS Tone Studio for iOS and Android Devices

The wireless KATANA-Air is made even more powerful with its support for external wireless operation via Bluetooth. Available for both iOS and Android devices, the dedicated BOSS Tone Studio app gives you complete control of the KATANA-Air right from your smartphone or tablet. You’re able to adjust all the amp’s panel controls and get exclusive access to effects types and routings that are only available from the app. You can also save setups to the amp’s memories, organize sound libraries on your device, and download free patch collections directly from BOSS Tone Central.

Listen to Your Favorite Music and Play-Along

The KATANA-Air is a true stereo amplifier with two custom-tuned speakers and up to 30 watts of total power, delivering big, rich sound for both guitar amplification and full-range music reproduction. Over Bluetooth, you can stream music from your mobile device and play along with popular songs, backing tracks, YouTube lessons, and more. And when you just want to kick back, the KATANA-Air performs double-duty as a high-quality mobile Bluetooth speaker for enjoying tunes from your music library.

Music Production and Silent Practice

The KATANA-Air also includes a stereo headphones/recording output with guitar cabinet simulation. This lets you directly record pro-quality amp tones and effects in music production software, and enjoy the inspiring stereo sound when practising quietly with headphones. It’s even possible to adjust the cab simulation’s mic position with the Air Feel control in the BOSS Tone Studio app.

  • Totally wireless guitar amplifier with newly developed BOSS technology delivers rock-solid sound with ultra-low latency
  • Custom wireless transmitter plugs into any electric guitar and charges while docked in the amp
  • Transmitter provides 12 hours of playing time on a single charge, and automatically enters standby mode to conserve the charge when no activity is detected
  • Always ready to play, with motion sensing technology in the transmitter that instantly wakes the amp from power-saving standby mode
  • Premium tones derived from the Katana stage amplifier series, with five unique amp characters and access to over 50 world-class BOSS effects
  • Six onboard memories for storing favorite amp and effects setups
  • Powerful stereo speaker system with full-range sound and up to 30 watts of power*
  • Edit and organize tones wirelessly with the BOSS Tone Studio app for iOS and Android mobile devices
  • Play along with music streamed wirelessly from a mobile device via Bluetooth®
  • Amplifier powered by eight AA-size batteries or included AC adapter
  • Aux in for connecting wired devices, plus headphones/recording out for silent practice and music production
  • Rated Power Output
  • - 30 W (15 W+15 W) (when using the AC adaptor)
  • - 20 W (10 W+10 W) (when using the Alkaline batteries)
  • Nominal Input Level
  • - INPUT: -10 dBu (1 M ohm)
  • - AUX IN: -10 dBu
  • Speakers - 7.5 cm (3 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/REC OUT jack: Stereo miniature phone type
  • - TRANSMITTER IN jack: Stereo 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
  • - Rechargeable Ni-MH battery (AA, HR6) x 8
  • Current Draw - 680 mA
  • Expected battery life under continuous use
  • - Alkaline battery: Approximately 7 hours
  • - Rechargeable Ni-MH battery: Approximately 10 hours
  • * When using batteries having a capacity of 2500 mAh.
  • * These can vary depending on the specifications of the batteries, capacity of the batteries, and the conditions of use.
  • Accessories
  • - Owner’s manual
  • - Transmitter
  • - AC adaptor
  • - Power cord
  • - Width - 350 mm, 13-13/16 inches
  • - Depth - 144 mm, 5-11/16 inches
  • - Height - 181 mm, 7-1/8 inches
  • - Weight (excluding batteries) - 2.2 kg, 4 lbs 14 oz
  • Nominal Input Level (GUITAR INPUT) - 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 type
  • Power Supply
  • - Rechargeable lithium-ion battery
  • - Supplied from the DC IN 5 V port
  • Current Draw - 47 mA
  • Expected battery life under continuous use - Approximately 12 hours
  • - Width - 87 mm, 3-7/16 inches
  • - Depth - 22 mm, 7/8 inches
  • - Height - 36 mm, 1-7/16 inches
  • - Weight - 43 g, 2 oz
  • * 0 dBu = 0.775 Vrms
  • *The specifications are subject to change without notice.



{{getFormattedEuroPrice(DepositValue, 0)}}

deposit ({{getRoundNumber(DepositAsPercentage, 0)}}%)



{{euroPriceDataCurrencySymbol}} p/m



{{getFormattedEuroPrice(product.Installment, 2)}}

Total finance: {{getFormattedEuroPrice(CurrentAmount - DepositValue, 2)}}

Finance example: {{SelectedProductDescription}}

For further information on our finance options, including representative examples, please click here. Finance is subject to status, terms and conditions apply.

GAK.CO.UK LTD is registered in England and Wales 04578270. Registered office: 30 - 34 North Street Hailsham East Sussex BN27 1DW GAK.CO.UK LTD acts as a credit broker and only offers credit products from Secure Trust Bank PLC trading as V12 Retail Finance. GAK.CO.UK LTD is an appointed representative of The Guitar Amp and Keyboard Centre Limited which is authorised and regulated by the Financial Conduct Authority. GAK.CO.UK LTD FCA registration number is 731400. The Guitar Amp and Keyboard Centre Limited FCA registration number is 684977. Credit provided subject to age and status

V12 Retail Finance Limited. Registered in England and Wales 4585692. Registered office: One Arleston Way, Solihull, B90 4LH. Authorised and regulated by the Financial Conduct Authority. Our FCA reference number is 679653.

Customer reviews

out of 5
5 stars
4 stars
3 stars
2 stars
1 star
  • Mike


    Very Impressed with this item!!! The sound quality is in my opinion very good. You can have the volume right down low and still get the affects. Also it has ample volume for practice in the home when you know the neighbours are out. I have owned this for around 4 weeks now and it has definitely improved my playing ability as I can find an affect that matches the music I am trying to learn.

  • Paul Girdlestone


    Very good practice amp that I also use for listening to music. Plenty of choices to choose from. As I am new to this, it is quite a bit to take in! Wireless part is working fine. Would recommend getting some decent rechargeable batteries. Pick up the guitar and play (poorly, but improving!)

  • Baz Golin


    This little amp is the future. Besides being great for recording big sounds (without needing a Marshall stack), the amp, built-in receiver and transmitter all work together totally wirelessly. perfect if you have to play outdoors or anywhere without a power supply and so many sounds, amp models and effects. Looking forward to using it. A lot!

  • Ross


    worth every penny, their bluetooth app has a terrible connection fault. as you can see from the appalling reviews but hopefully they can sort that out. This amp though is fantastic.

  • Thomas Bates


    Excellent quality from a portable machine and long battery life

Load more reviews


Finance provided by PayPal Credit. Terms and conditions apply. Credit subject to status. UK residents only. GAK.CO.UK Ltd acts as a broker and offers finance from a restricted range of finance providers. PayPal Credit is a trading name of PayPal (Europe) S.a.rl. et Cir, S.C.A., 22-24 Boulevard Royal L-2449, Luxembourg.

Please see our PayPal Credit FAQs page.