Boss GP-10S Guitar Effects Processor  

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The perfect combo with your GK-3 equipped guitar.

The new GP-10 puts a universe of amazing tones and tunings at your command, all in one compact processor that's affordable and easy to use. With a Roland GK-compatible pickup 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 convertor!

Depending on your needs, the GP-10 is available by itself (GP-10S), or with a Roland GK-3 Divided Pickup and 13-pin cable included in the box (GP-10GK). If you already have a GK-3 on your guitar-or if you have an instrument such as the GC-1 GK-Ready Stratocaster with a GK pickup built in-you'll want to choose the GP-10S. If you want to use the GP-10's modeling functions and you don't have a GK-3, the GP-10GK is the way to go. The GK-3 is quick and easy to install on your favorite electric guitar with no modification needed.

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
Available with or without a GK-3 Divided Pickup
Play the GP-10 and another 13-pin GK device at the same time using the GKP-2 Parallel Cable (optional)

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BossGP-10S Guitar Effects Processor

(based on 1 review)

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Reviewed by 1 customer

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from los angeles, ca

About Me Experienced


  • Compact Design
  • Durable
  • Good Selection Of Effects


  • None That Bug Me

Best Uses

  • Alternate Tunings
  • Multi Effects
  • Performances

Comments about Boss GP-10S Guitar Effects Processor:

So far I like this much better than the Line 6 HD 300, but I have never used GR 55 or VG 99. I have a GR 20 which is a lot simpler than this pedal. Check out the manual, every parameter is variable on this unit. The alternate tunings are way better than I expected, and worth the price alone. I like the sequence and hold feature, so that I can play leads, and practice bass and drums to it. I am really quite a good guitarist, better than most, and this unit has inspired me. With all the variability, you can always improve and get the sound you can work with.

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