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Average Price: $449

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$300

$701+

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Based on price data from 3 merchants for "Positive Grid Reactor 100 100-watt 1 x 12-inch Combo Amplifier". Prices shown reflect NEW condition. Tracking began Jun 3, 2026.

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Description

The Positive Grid Reactor 100 is not just another amp—it's a game-changer in the world of guitar amplification. With its AI-powered Agentic DSP engine, this 100-watt combo amp offers unparalleled flexibility and creativity in tone shaping. Whether you're in the studio or on stage, the Reactor 100 delivers with a custom-voiced 12-inch speaker that maintains clarity and punch across any genre.

This amp makes tone creation intuitive and accessible. Use the Reactor app to leverage Text-to-Tone, Audio-to-Tone, or even Picture-to-Tone features, allowing for an endless canvas of sonic possibilities. Imagine describing your ideal tone and having it materialize in seconds, or uploading a song to match its vibe. The top-panel controls are user-friendly, offering six amp models from Clean to Extreme, and six built-in effects, including Drive and Reverb, to further personalize your sound.

Selectable wattage settings (1W, 25W, or 100W) make the Reactor 100 versatile enough for late-night practice sessions or commanding live performances. Connectivity is comprehensive, featuring USB-C for recording, MIDI inputs, an effects loop for additional pedals, and Bluetooth for seamless app integration. With the optional Reactor Control footswitch, stage performances become effortless.

Join the future of music amplification with the Positive Grid Reactor 100, where your imagination truly is the limit.

Key Features:

  • 100-watt AI-powered combo amp with Agentic DSP
  • Custom 12-inch speaker for high-headroom performance
  • Selectable wattage: 1W, 25W, or 100W
  • Six amp models and six built-in effects
  • Reactor app for Text-to-Tone, Audio-to-Tone, and Picture-to-Tone
  • USB-C audio interface, MIDI, effects loop, and Bluetooth connectivity
  • Optional Reactor Control footswitch for hands-free operation

Product specs

Amp Type solid state
Speaker Size 1 x 12" positive grid reactor
Onboard Reverb yes
Weight 30.64 lbs.

Reviews

PROS

  • Impressive sound quality, even without AI tone-shaping

  • Excellent response to varied pick intensity and guitar controls

  • Handles different guitars and pickups with ease

  • External effects pedals are well-supported, especially on "Clean" setting

  • Extremely loud, even on lower wattage settings

  • Easy pairing with phones and robust app integration

  • AI tone generation offers diverse and accurate tone options

  • USB-C port and Line Out for versatile recording options

  • Built-in tuner and extensive tone customization features

  • Replicates tube amp dynamics effectively

CONS

  • AI-generated tones may have inconsistent volume levels

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