Positive Grid Reactor 100W 1x12" AI-Powered Guitar Combo Amp - Black

Describe the tone you want. Play it seconds later. Billed by Positive Grid as "the world’s first AI-powered guitar amplifier," the Reactor 100 combines 100 watts of performance-ready power with an Agentic DSP engine that translates text prompts, audio references and conversational adjustments into fully playable amp tones in seconds. Powered by the touch-sensitive BIAS X modeling engine and a custom-voiced 12” speaker, it delivers dynamic response, harmonic detail and phase-accurate response that feels immediate under your hands. Selectable wattage (1W / 25W / 100W) adapts output to everything from late-night practice to full-stage performance. Hands-on top-panel controls, deep app-based editing and comprehensive connectivity—including USB-C audio, MIDI, effects loop, Bluetooth, line out and headphone out—complete a modern 1x12” combo designed for today’s rehearsal rooms, studios and live rigs.

Custom 1x12” Platform with Massive Performance Headroom

Reactor 100 pairs its 100W power section with a custom-voiced 12” speaker engineered for projection, clarity and controlled low-end punch. The high-headroom design maintains articulation and note separation under demanding stage volumes, keeping cleans full and defined while allowing high-gain tones to remain tight and composed. Selectable wattage settings—1W, 25W or 100W—let you tailor output to the environment without compromising feel, preserving touch sensitivity whether you’re rehearsing quietly, tracking in the studio or pushing air onstage. The result is a responsive 1x12” combo that delivers authority and immediacy without sacrificing nuance.

BIAS X Engine and Agentic DSP Deliver Expressive Feel

Forming the heart of the Reactor 100 is the integration of Positive Grid’s BIAS X modeling engine with its AI-driven Agentic DSP architecture. Rather than relying on static snapshots of amp tones, the system analyzes and reconstructs the signal chain at a component level, preserving harmonic interaction and dynamic response for a more natural playing experience. Pick lightly and tones clean up with nuance; dig in and the amp pushes back with dynamic compression and bloom. The feel remains responsive and immediate across gain structures—from articulate cleans to saturated lead tones—delivering the touch sensitivity and interaction players expect from performance-ready amplification.

AI-Driven Tone Creation Through the Reactor App

Through the Reactor app, Reactor 100 moves beyond traditional preset browsing by allowing you to generate and refine tones through intuitive AI interaction. With Text-to-Tone, you can describe the sound you want—whether it’s a “tight, mid-gain British crunch” or a “glassy ambient clean”—and receive a playable tone within seconds. Music-to-Amp lets you upload a song or audio reference and match the guitar character, while conversational adjustments enable ongoing refinement with simple prompts like “add more warmth” or “less gain.” This streamlined workflow shortens the distance between inspiration and execution, transforming tone creation from a technical process into a creative one.

Hands-On Controls and Modern Performance Connectivity

Reactor 100 offers multiple ways to shape and control your sound without sacrificing immediacy. The top panel features gain, EQ, master and volume controls, selectable amp voicings (Clean, Warm, Grit, Crunch, Hi-Gain and Extreme), Push/Smooth and Heat toggles, and a full suite of onboard effects including drive, compression, gate, modulation, delay and reverb. For deeper editing, the Reactor app provides drag-and-drop signal chain customization and over-the-air updates. Comprehensive connectivity—including USB-C audio interface functionality, MIDI In, effects loop, Bluetooth, line out and headphone out—integrates Reactor seamlessly into live rigs and studio setups. Optional Reactor Control footswitch support, with wired or wireless operation, adds hands-free command for stage performance.

Positive Grid Reactor 100: Redefining Intelligent Amplification

The Positive Grid Reactor 100 combines the authority of a high-headroom 1x12” combo with the creative flexibility of AI-assisted tone shaping in a single performance-ready platform. From studio tracking and demanding rehearsals to full-stage performance, it adapts without losing its responsive feel, dynamic character or harmonic detail. With intelligent tone generation, tactile control and modern connectivity working together, the Positive Grid Reactor 100 reimagines what a modern guitar combo amp can be.

Positive Grid Reactor 100W 1x12" AI-Powered Guitar Combo Amp: FAQ

What makes the Positive Grid Reactor 100 different from a traditional modeling amp?
Reactor 100 combines Positive Grid’s BIAS X modeling engine with AI-driven Agentic DSP technology that allows players to generate and refine tones using text prompts, audio references and conversational adjustments. Rather than relying solely on fixed presets, it creates and adapts tones dynamically through the Reactor app.

Can the Reactor 100 be used for home practice as well as live performance?
Yes. Selectable wattage settings (1W, 25W and 100W) allow Reactor 100 to adapt to low-volume home practice, studio sessions, rehearsals and full live performance environments while preserving feel and responsiveness.

Does the Reactor 100 work as a USB audio interface?
Yes. Reactor 100 includes USB-C audio interface functionality for direct recording and integration with DAWs and computer-based production workflows.

Can you edit tones directly on the amp without using the app?
Yes. Reactor 100 includes hands-on top-panel controls for amp voicings, EQ, gain, master volume and onboard effects. The Reactor app expands editing capabilities with drag-and-drop signal chain customization, AI tone generation and deeper parameter control.