Item #: BOS GP10S LIST

Boss GP10 Guitar Multieffects Processor

Shop Boss GP10 Guitar Multieffects Processor from AMS with 0% Interest Payment Plans and Free Shipping.

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MSRP: $545.99


Product Description

Boss delivers yet again with the incredible GP-10, offering huge sonic capabilities while being very 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.

You also have access to instant altered tunings, including popular open tunings, 12-string tones, and down tunings. The GP-10 also functions as a multi-effects processor for both GK and normal pickups, giving you a huge selection of COSM amps and effects for live playing and recording. 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!

Boss GP-10 Guitar Multi Effects Processor Features

  • 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
  • Analogue 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)
The compact GP-10 is both an instrument modeling processor and a powerful multi-effects unit. Its multi-effects section features flagship-level COSM amps and effects, and these can be used with any guitar via a standard 1/4-inch cable. Plugging into the GP-10’s GK input with a Roland GK-compatible pickup and a 13-pin cable unlocks the instrument modeling section, opening up a world of amazing sonic possibilities for both live playing and studio recording.

Instantly Change Your Guitar’s Tuning
With a GK-compatible pickup, the GP-10 allows you to change your guitar’s tuning with the press of a pedal. There’s no need to change instruments or manually re-tune for different songs or styles—just dial up the tuning you need in the GP-10 and go. Play slide in open tunings like G and E, enjoy shimmering 12-string tones, or drop your entire guitar down in semitone steps. There are many tuning presets to choose from, and you can also create your own customized tunings.

A World-Class Collection of Classic Guitars, Synths, and More
Using a GK-compatible pickup with the GP-10 lets you change your instrument’s entire sound. On hand are classic modeled electric guitars with single coils and humbuckers, plus steel- and nylon-string acoustics, basses, banjo, resonator, fretless guitar, and even a sitar! The GP-10 also includes an analog-modeled synth engine that powers an authentic emulation of the Roland GR-300 analog guitar synth and a super-fat OSC Synth with two oscillators and many easily adjustable sound parameters.

In addition, a selection of cool ‘Poly FX’ deliver unique sounds only possible with GK processing, allowing you to take your playing into exciting new territory. Modeled sounds can be blended with your guitar’s normal sound, putting an infinite range of tones under your fingers.

Natural, Ultra-Responsive COSM Amps
A core factor that defines an electric guitar’s sound is the amplifier type, and the GP-10 is filled with them. 30 different amps are at your disposal, including classic combos, vintage stacks, and modern high-gain amps, along with bass amps for modeled bass tones and a full-range amp for acoustic sounds.

Powered by custom BOSS DSP and the latest developments in COSM technology, the amps in the GP-10 deliver organic, responsive tone, with adjustable settings to vary the natural compression and playing feel. All the GP-10’s amps can be used with either normal guitars or those equipped with a GK pickup.

High-Performance Multi-Effects
Inside the GP-10 is a wide selection of effects derived from the GT-100. Most can be used with a normal guitar (without a GK pickup), allowing the GP-10 to do double-duty as an effects processor for any guitar gig. Included are overdrives, distortions, mod effects, delay, reverb, and more, as well as intelligent harmony and other great effects. The onboard expression pedal can be used for foot volume or effects such as wah, Pedal Bend, and others.

USB Audio/MIDI Interface Built In
The GP-10 features an onboard USB audio/MIDI interface, making it easy to record great amp and effect tones in your favorite DAW with any axe. But when you use a GK-equipped guitar, the GP-10 becomes an enormously powerful creative tool that expands your production capabilities beyond any standard guitar processor. For example, you can record the audio output of each of your guitar’s strings on separate tracks, either processed with the GP-10 or captured dry for later processing.

When you record unprocessed sounds in this way, you have the ability to not only re-amp the tracks through the GP-10’s amps, but to ‘re-guitar’ as well, using the GP-10’s instrument modeling to change the sound to anything you want after the fact! The guitar-to-MIDI function allows you to stretch your creativity even further, using your guitar to play soft synths, capture MIDI sequences, and input MIDI data into notation software on your computer.

Boss Tone Studio and Boss Tone Central
Available as a free download, the BOSS TONE STUDIO software makes it simple to edit and organize your GP-10 patches on your Mac or Windows computer. In addition, the software provides direct access via USB to the BOSS TONE CENTRAL website, which offers a continually growing collection of free, ready-to-play GP-10 patches created by some of the world’s top guitarists.

GK Pickup Options for the GP-10
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 Strat 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.

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Helpful Info about the Manufacturer
Phone:  323-890-3700 Warranty:  BOSS Compact and Twin Pedals: 5 years parts, 2 years labor; BOSS (other): 1 year parts, 90 days labor

Product Specifications

Product Specifications
Boss GP-10 Guitar Multi Effects Processor Specifications
  • Modeling
    • Electric guitar: 12 types
    • Acoustic: 9 types
    • Bass: 3 types
    • Guitar synthesizer: 3 types
    • Poly FX: 5 types
  • Alternate Tuning
    • OPEN: D, E, G, A
    • DROP: D to A
    • D-MODAL
    • SHIFT: -12 to +12
    • USER
    • 12-string guitar function
  • Effects
    • Preamp: 30 types
    • FX: 16 types (including OD/DS)
    • OD/DS: 21 types
    • Wah: 6 types
    • Chorus: 3 types
    • Delay: 10 types
    • Reverb: 7 types
    • EQ: 1 type
    • Noise Suppressor (NS): 1 type
    • Patch Memory: 99
  • AD Conversion:
    • GK Pickup: 24 bits
    • GUITAR IN: 24 bits + AF method
  • DA Conversion: 24 bits
  • Sampling Frequency: 44.1 kHz
  • Pedals:
    • Pedal switch x 4
    • Expression pedal x 1
  • Display: 16 characters, 2 lines (backlit LCD)
  • Connectors:
    • GK IN connector: 13-pin DIN type
    • GUITAR IN jack: 1/4-inch phone type
    • GUITAR OUT jack: 1/4-inch phone type
    • OUTPUT (L/MONO, R) jacks: 1/4-inch phone type
    • PHONES jack: Stereo miniature phone type
    • AUX IN jack: Stereo miniature phone type
    • EXP 2/CTL 3, 4: 1/4-inch TRS phone type
    • USB port: USB type B
    • DC IN jack
  • Power Supply: AC adaptor
  • Current Draw: 350 mA
  • Included Accessories:
    • AC adaptor
    • Owner's manual
    • Divided pickup (Roland GK-3) (only for GK included model)
    • GK cable (3 m, 10 feet) (only for GK included model)
  • Dimensions (WxDxH): 9-15/16 x 8-3/16 x 2-13/16 inches
  • Weight: 4 lbs. 4 oz.

Customer Reviews

Jim Rodgers Submitted: 3/7/2019
Product Rating
Limited but has potential
Product Rating
What is your opinion of this product?
I bought this thinking that I'd like to get into the GK3/COSM modeling to get some better acoustic tones from a typical electric guitar...I also wanted a very small unit that could handle being a quick fly rig for one-off shows where I didn't want to drag around my full rig. I heard some really great demo videos of this guy and decided to give it a shot. I did find some very usable tones in it - much better than previous Boss effects units I've tried in the past...but alas, I found that I needed to connect a couple external pedals for additional switching to really play a live show and have access to the number of presets that I'd need to jump to. I didn't bother to install the GK3 so I can't comment on it...I just felt the overall unit was not going to cut it so I didn't want to chance messing up the unit before I could return it. Which I did. I ended up purchasing the Line 6 Helix instead.
Wilfredo Dejesus Submitted: 4/23/2018
Product Rating
I love it
What is your opinion of this product?
Brent Submitted: 1/23/2016
Product Rating
What is your opinion of this product?
This device allows me to get any sound I could want from my guitar. I have a 'hybrid' guitar with magnetic pick ups and a piezo/hexaphonic(Roland 13-pin compatible) bridge. The normal guitar effects like amp modelling and pedals gives me any electric sound I could want, while the hex allows me to get alternate tuning, bass guitar, and modeled acoustic. I can get a really convincing acoustic guitar sound by blending a little of the modeled sound with the piezo output. Easily worth a lot more than the cost.
Charlie Submitted: 10/9/2015
Product Rating
What is your opinion of this product?
The GP-10 has an Enormously amount of potential. The factory patches are usable but making your own is sweeter. I'm in two bands, a blues rock band where it's guitar-stomp boxes-tube amp the other is a duet with my wife so the GP-10 takes care of the acoustic modeling, steel guitar, and even a bit of jam min' organ. Couldn't be happier.
Cjaye Submitted: 10/7/2015
Product Rating
Great product.
What is your opinion of this product?
Didn't really need the GK except for the fact you need it for alternate timings. Otherwise I'm pleased with the sound and ease of use.


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