BOSS GT-100 COSM Amp Effects Processor

The BOSS GT-100 is a professional multi-effects guitar processor designed to deliver a wide range of amp tones, effects, and performance tools for stage and studio musicians. Built around BOSS’s COSM amp modeling technology, it provides versatile sound creation from vintage tones to modern high-gain sounds in a durable floor-based unit.

Designed for fast editing and deep tone shaping, the GT-100 features dual COSM amp engines, flexible signal routing, and an intuitive interface that allows players to build complex guitar setups without slowing down performance workflow.

The unit includes dual LCD screens and a hands-on control layout that provides direct access to essential parameters. The EZ Tone function and graphical Tone Grid make patch creation and editing simple, even for complex multi-effect chains.

Advanced COSM processing enables realistic amplifier modeling with detailed control over amp behavior. Users can further refine tones using Amp Customize and OD/DS Customize functions for deeper sound design flexibility.

The GT-100 supports A/B Channel Divide functionality, allowing two independent signal paths that can be blended, switched, or processed separately for expanded tonal possibilities during performance or recording.

A dedicated Accel pedal provides real-time multi-parameter control, enabling expressive changes in tone, effects intensity, and dynamic performance control during live use.

The processor also includes a wide selection of BOSS effects, modulation tools, delays, reverbs, and specialized processing options, making it a complete all-in-one guitar rig for stage and studio applications.

Key Features

• Professional COSM amp modeling and multi-effects processor
• Dual COSM amp engine architecture
• Dual LCD interface for fast navigation and editing
• EZ Tone system with graphical tone shaping
• Amp Customize and OD/DS Customize functions
• A/B Channel Divide for dual signal routing
• Dedicated Accel pedal for real-time control
• Wide range of BOSS effects and processing tools
• USB audio and MIDI connectivity
• 400 patch memories (user and preset)

Why Choose the BOSS GT-100?

The GT-100 is designed for guitarists who need deep tone customization, flexible routing, and reliable performance control in a single unit. It delivers professional amp modeling and effects processing with an interface built for speed and usability.

It is suitable for live performance, studio recording, and direct recording setups where versatility and consistency are essential.

Who Is This Product For?

• Professional guitarists
• Live performers and touring musicians
• Studio recording musicians
• Session guitar players
• Sound designers and tone builders

Applications

• Live stage performance
• Studio recording
• Direct recording and DI setups
• USB audio recording workflows
• Custom guitar tone creation
• Effects-heavy performance setups

Technical Specifications

• Product Type: Guitar Multi-Effects Processor
• Model: BOSS GT-100
• Processing: COSM Amp Modeling
• Audio Quality: 24-bit processing
• Sampling Rate: 44.1 kHz
• Patch Memory: 400 presets (200 user / 200 factory)
• Display: Dual LCD screens
• Controls: Accel pedal, expression pedal, knobs, switches
• Connectivity: USB audio/MIDI, MIDI In/Out, audio outputs
• Power Supply: DC adapter
• Weight: 4.8 kg

What's Included

• BOSS GT-100 Multi-Effects Processor
• AC Power Adapter
• Owner’s Manual
• USB documentation

Summary

The BOSS GT-100 is a professional multi-effects and amp modeling processor designed for guitarists who require flexible tone shaping, dual signal routing, and reliable performance control. It delivers a complete effects and amp simulation solution for live and studio environments.