Boss GP-10S Guitar Processor and Synth with GK Pick Up

by Roland

The new GP-10S puts a universe of amazing tones and tunings at your command, all in one compact processor that’s affordable and easy to use.

With the included Roland GK pickup (on the GP-10s version) on your guitar, the GP-10 lets you transform your sound into numerous classic electric and acoustic guitar types, basses, and even analog-modeled synths, including the legendary Roland GR-300. Not stopping there, you have access to instant altered tunings, including popular open tunings, 12-string tones, and “down” tunings that are essential for today’s ultra-heavy rock styles.

The versatile GP-10 also functions as a full-featured multi-effects processor for both GK and normal pickups, giving you a huge selection of COSM amps and effects for live playing and studio recording. In addition, USB connectivity lets you capture GP-10 tones directly into your DAW, and you can even play computer-based soft synths from your axe with the GP-10’s guitar-to-MIDI converter!

  • Instant access to down tunings, open tunings, 12-string sounds, and your own custom tunings
  • Instrument modeling powered by COSM technology, including conventional electric, acoustic, and bass guitars, plus sitar, banjo, fretless guitar, and others
  • Analog guitar synthesizer modeling driven by real-time DSP allows you to play expressive, ultra-responsive synth tones
  • Create totally new sounds by blending modeled and normal guitar tones together
  • High-quality COSM amps and multi-effects derived from the GT-100
  • 13-pin input for guitars equipped with a Roland GK-3 Divided Pickup or other GK-compatible pickup
  • Standard 1/4-inch guitar input allows for use of amps and effects with any guitar
  • USB audio/MIDI interface for multi-channel audio recording (including individual string output) and guitar-to-MIDI conversion with GK pickup
  • BOSS TONE STUDIO editor/librarian for Mac/Windows and custom patches available at
  • Includes a GK-3 Divided Pickup


Any purchase over £75 and we'll give you free next day shipping to mainland UK.

All our orders are sent out for Next Day Delivery & if you order something in-stock before 1pm on any business day (Mon-Fri) it will go out that same day. Otherwise you will be contacted to confirm a suitable delivery date.


At Music Junkie we pride ourselves on being an independent retailer and as such we offer high levels of communication from when your order is placed to receiving your new item. Some items are dispatched from centrally based warehouses and as such next day delivery cant be guaranteed. We aim to complete all orders within 7 days unless you are otherwise notified.


We use Interlink Express for all courier services. They will provide you with a one hour delivery window so you don't have to wait in all day for your parcels. They will notify you by text and email on the morning of your delivery.

More details about our delivery can be found here.


We are pleased to offer our customers up to 12 months interest-free credit terms on all orders over £499.*

Applying for finance is fast and easy. Complete the credit agreement, sign it online and get an instant credit decision. Upon acceptance, pay your deposit and you're done.


Simply add the product to the basket and checkout. You then have as a payment option 'Finance'. Select finance and fill in the online application. Follow the onscreen instructions. You will receive an online decision in minutes. Alternatively we can do it over the phone with you, call the store on 0116 2625625


To apply for finance you must meet the following criteria:

  • You must be over 18 years of age.
  • You must be a UK resident with at least 3 years continual address history.
  • You must be in full time employment, unless retired or a house person with a spouse in full time employment.
  • You must have a UK bank account capable of accepting Direct Debits.
  • You must have a valid Debit or Credit card registered in your name and to the home address on the application form in order to pay your deposit.

Full details can be found here.

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