Wolf in sheep’s clothing! Boss GS-1-CTM Eurus Synth Guitar! Made in Japan with multiple synth and organ sounds, a low pass filter and more. $899!

The Boss GS-1-CTM Eurus Synth Guitar is a groundbreaking instrument that blends traditional guitar playing with advanced synthesizer capabilities. This hybrid guitar offers a wide range of sounds and textures, allowing guitarists to explore new sonic territories without the need for additional synth hardware. The GS-1-CTM is designed to be both familiar and innovative, providing high-quality guitar performance alongside versatile synth sounds.

Key Features:

Guitar Specifications:

  • Body: Solid alder body with a sleek, ergonomic design that offers comfort and playability.
  • Neck: Maple neck with a rosewood or maple fingerboard, providing a smooth playing surface and a familiar feel for guitarists.
  • Frets: 22 medium jumbo frets for easy playability and accurate intonation.
  • Pickups: Custom humbucking pickups designed to deliver a balanced and dynamic guitar tone.

Synthesizer Capabilities:

  • Integrated Synth Engine: Built-in synthesizer with a wide range of sounds, including pads, leads, basses, and more.
  • Control Interface: Onboard controls for accessing and manipulating synth parameters, such as tone, pitch, and modulation.
  • Wireless Connectivity: Bluetooth MIDI capability allows for wireless control and integration with external devices and software.
  • App Integration: Compatible with the BOSS Tone Studio app, enabling deeper customization and access to additional synth sounds and effects.

Controls and Interface:

  • Synth Controls: Dedicated knobs and switches for selecting and adjusting synth sounds without interrupting guitar performance.
  • Blend Control: Allows seamless blending of guitar and synth tones, enabling unique hybrid sounds.
  • Expression Pedal Input: Input for an external expression pedal to control synth parameters in real-time.

Build and Design:

  • Finish: Available in various high-quality finishes, adding a premium aesthetic to the instrument.
  • Hardware: High-quality hardware, including reliable tuning machines and a stable bridge, ensuring consistent performance.

Sound Characteristics:

  • Versatile Tones: Offers a wide range of traditional guitar tones as well as rich, complex synth sounds.
  • Seamless Integration: The ability to blend guitar and synth sounds creates a unique sonic palette that is not possible with separate instruments.
  • High-Quality Audio: Designed to deliver professional-level sound quality for both guitar and synth outputs.


  • Live Performance: Ideal for live performances, allowing guitarists to switch between or combine guitar and synth sounds effortlessly.
  • Studio Recording: Provides a versatile tool for studio recording, offering a broad range of tones and textures for creative production.
  • Sound Design: Suitable for sound designers and experimental musicians seeking to explore new sonic possibilities.


  • Body: Alder
  • Neck: Maple
  • Fingerboard: Rosewood or Maple
  • Frets: 22 medium jumbo
  • Pickups: Custom humbuckers
  • Synth Engine: Integrated with wireless MIDI and app compatibility
  • Connectivity: Bluetooth MIDI, expression pedal input
  • Controls: Synth parameters, blend control, guitar volume, and tone knobs

Country of Manufacture:

  • Japan: The Boss GS-1-CTM Eurus Synth Guitar is manufactured in Japan, ensuring high standards of quality and craftsmanship.

Notable Features:

  • Hybrid guitar with integrated synthesizer capabilities
  • Custom humbucking pickups for versatile guitar tones
  • Onboard synth controls for real-time parameter adjustments
  • Wireless Bluetooth MIDI for seamless integration with external devices
  • Compatible with BOSS Tone Studio app for additional customization
  • High-quality construction and hardware

Notable Users:

While the Boss GS-1-CTM Eurus Synth Guitar is a relatively new and innovative instrument, it is likely to attract:

  • Experimental Musicians: Artists who push the boundaries of traditional guitar playing and sound design.
  • Live Performers: Guitarists who need a versatile instrument capable of delivering a wide range of sounds on stage.
  • Studio Musicians: Professionals who require a flexible tool for recording and production.

The Boss GS-1-CTM Eurus Synth Guitar is a revolutionary instrument that merges the worlds of guitar and synthesizer. With its high-quality construction, versatile sound capabilities, and innovative control interface, the GS-1-CTM offers guitarists a unique tool for exploring new musical possibilities. Whether used in live performances, studio recordings, or experimental sound design, this hybrid guitar provides a seamless blend of traditional and modern sounds, making it an exciting addition to any guitarist’s arsenal.

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