DISC Roland CUBE-20GX Guitar Amplifier

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169.00 RRP 179.00 (including VAT @ 23%)

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  • In Built Chromatic and Manual Tuner
  • Includes iOS Interface Cable
  • FREE Roland CUBE JAM App
  • Recording Out/Phones Jack
  • 3 Independent Channels

DISC Roland CUBE-20GX Guitar Amplifier


The Roland CUBE-20GX is the perfect amp for experimentation, practice and jamming. Hook it up to your iOS device, download the free CUBE JAM app and you've got a unique tool to play along, manipulate and record your favourite tracks as well as a host of cool guitar tones to explore and all the usual great features associated with the Roland CUBE amp series.

Product Ref: 38795

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Roland CUBE-20GX Guitar Amp

The CUBE-20GX is a guitar amp built for fun! Perfect for practice, experimentation and recording, the CUBE-20GX combines the quality CUBE tone and reliability with versatile new connectivity options. Connect you iOS device and download Roland's free CUBE JAM app and you have a whole host of tools in your hands to develop your sound and improve your skills. Play along with your favourite bands, remove and replace guitar solos with your own and then record your creations with one touch. A really fun way to learn, play and improve on guitar - all in one compact amp.

Discover Your Perfect Sound

Roland's CUBE-20GX has three independent channels with some great guitar tones. The JC CLEAN channel gives you the sound of the Roland JC-120 whilst the LEAD channel offers six tones for you to select from - ideal for multiple styles of music. Choose from crunchy distortion, warm overdrive or extreme gain, or there's even a nice acoustic guitar simulation to experiment with. The SOLO channel is completely programmable so you can store all your settings from either the JC CLEAN or LEAD channel with additional EQ and effects. Channels are easily selected right from the front panel of the amp or, if you prefer, using an optional footswitch such as the BOSS FS-5U or FS-6.

If you love to experiment and want to be able to access a range of great guitar tones with ease the Roland CUBE-20GX is ideal. The simple controls on the EFX section can quickly dial up five stompbox type guitar effects, two types of dedicated DELAY and vintage spring emulation or studio-style plate REVERB so you can easily find the sound of your favourite artists.

Easily Link Your Favourite Music Apps

If you like to use music apps Roland's innovative i-CUBE LINK interface is the best way to seamlessly incorporate your iPhone, iPad or iPod touch with your guitar amp. The included cable allows you to connect your iOS device quickly and easily through the audio jack. Use your favourite music apps to play along with tracks, send studio quality guitar tones and effects straight into a recording app. The i-CUBE LINK jack can also be used as a stereo input so if you fancy simply listening to some tunes or recordings you've made, you can play them straight through the CUBE-20GX.

Play, Learn, Record With Free Cube Jam

If you're looking for an app to get you started, Roland have provided CUBE JAM which is available from the App Store for free. This intuitive music app turns your iOS device into a fun music centre for hours of jamming, recording and practice. Use the app to play your favourite songs or minus-one tracks through the CUBE-20GX and you'll soon be able to play along with your favourite riffs note for note. The easy to use app can also be used to record and capture your jam sessions with a single touch.

After recording you can experiment with the volume of your guitar and backing track and, once you're happy, export the mix to a 16-bit, 44.1 kHz WAV file to share or listen to later. Other great features in the CUBE JAM app include practice tools like independent speed and pitch adjustment and Centre Cancel which removes solos so you're free to play along in a way which suits you.

To hear how the Cube-20GX sounds with Distortion, JC Clean and Extreme effects, please download the sound previews from the links below.


  • 20-watt guitar amp with custom-designed 8-inch speaker
  • Three channels: JC CLEAN, LEAD (six different types), and SOLO
  • SOLO channel is fully programmable, allowing you to save and recall JC CLEAN or LEAD sound type plus EQ and effects settings
  • Three independent effects sections: EFX (five types), DELAY, and REVERB
  • Hands-free channel switching with optional BOSS FS-5U or FS-6 footswitches
  • i-CUBE LINK jack provides simple audio interfacing with iPhone, iPad, and iPod touch (interface cable included)
  • Free CUBE JAM app for iOS plays songs and minus-one jam tracks, and lets you record the CUBE-20GX?s tones along with music playback
  • Three-band EQ; built-in chromatic/manual tuner
  • RECORDING OUT/PHONES jack for silent practice and direct recording

Your order may be delivered with a plug adapter
If any electrical items in your order are supplied with a United Kingdom plug connection, a suitable plug conversion adapter will be included free of charge.