Positive Grid REACTOR-50 50-Watt Intelligent Guitar Combo Amplifier - 1x12in
SKU: 25339055571

Positive Grid REACTOR-50 50-Watt Intelligent Guitar Combo Amplifier - 1x12in

Sale price$211.05 Regular price$234.50
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Description

Positive Grid REACTOR-50 50-Watt Intelligent Guitar Combo Amplifier - 1x12inBoasting 50 watts of guitar driven firepower and component level modeling, the Reactor 50 is here to set the new standard for modeling amps. Driven by AI powered Agentic DSP Amp Intelligence, the accompanying Reactor app, and a familiar top panel control layout, you control every parameter, setting, and component to create your ultimate guitar tone. Dialing in a tone is as simple as describing the sound you're after or uploading an audio clip for

Boasting 50 watts of guitar-driven firepower and component-level modeling, the Reactor 50 is here to set the new standard for modeling amps. Driven by AI-powered Agentic DSP Amp Intelligence, the accompanying Reactor app, and a familiar top-panel control layout, you control every parameter, setting, and component to create your ultimate guitar tone. Dialing in a tone is as simple as describing the sound you're after or uploading an audio clip for Reactor to analyze. Reactor even responds to conversational tweaks. Once configured, the Reactor 50 explodes with touch-sensitive dynamics, courtesy of Positive Grid’s BIAS X engine and the custom-voiced 12-inch loudspeaker. A gamut of other features is yours to command, including eight recallable presets, six built-in effects with Tap Tempo, and a multi-watt power selection that allows the Reactor to adapt to any environment. You'll also receive an external effects loop for your own stompboxes, remote control options, Headphone Out, Line Out, and a USB-C audio interface for recording, ensuring the Reactor 50 is ready to tackle virtually any practice or performance situation. Primed for the ultimate tone-shaping experience, the Reactor 50 melds brains and brawn to deliver the best elements of sonic experimentation and high-octane performance.

A command center at your fingertips
The Reactor 50 features an intuitive experience for dialing in your favorite tones. You get six amp models, from Clean to Extreme, along with Heat and Push-Smooth switches to refine the overall gain structure of the selected amp model. Six built-in effects transform your aural foundation into soaring soundscapes, twangy slapbacks, and mountaintop-style leads with ease, and the Reactor 50’s external effects loop integrates your existing pedals directly into the amp’s tone stack. Once you’ve sculpted your sonic masterpiece, it can be saved and recalled in one of eight presets.

Unlimited creative freedom with the Reactor app
The Reactor app, connected via Bluetooth on your smart device, is your gateway to complete creative expression. Every parameter on the Reactor 50 can be fine-tuned to perfection. Even more, you get access to Positive Grid’s AI-powered Agentic DSP Amp Intelligence to create profiles of your favorite gear or design a new sound entirely. Simple yet intuitive, the Reactor app offers three options to let your imagination soar:

  • Text to Tone: Using the Reactor App’s chat prompt, simply type in your desired sound and the app gets to work. Need to make an update? The Reactor app responds to conversational tweaks, like, “Add compression," or “Less gain," making editing a simple endeavor.
  • Audio to Tone: This feature analyzes any uploaded audio file, then uses timestamps, either automatically detected or manually specified, to build your rig of choice. Whether you upload an isolated guitar track or a full mix, the Reactor app will analyze every eccentricity of the tone to deliver an astonishingly accurate re-creation.
  • Picture to Tone: Snap a photo of your favorite pedal. Capture the perfect sunrise. Upload a selfie. The Picture to Tone feature accepts any image and transforms it into a tapestry of sound befitting of the given image.

Stage-ready control
When it's time to take the stage, you can trust that the Reactor 50 will push more than enough power to keep up with your live band. Its 50-watt power section and custom 12-inch Reactor loudspeaker deliver authentic guitar sonics, with an emphasis on the low to low-midrange frequencies that ensure punchy tone and limit piercing highs. Sound engineers will also delight in the Line Out jack, which allows you to send your amp's signal directly to the venue's sound system, no miking required.

With the optional Reactor Control pedal, you can unlock instant access to all eight of the amp's presets and effortless effect switching. Moreover, the included MIDI input allows remote switching either with your own MIDI foot controller or via program change automation, ensuring the Reactor 50 can integrate seamlessly with larger audio and video productions.

Features

  • 50W modeling amp with 8 recallable presets, USB-C audio interface, and AI-powered tone creation
  • 6 stages of amp gain with Push-Smooth and Heat switches to dial in and refine your tone
  • 12-in. custom-voiced speaker faithfully emits a wide frequency spectrum
  • Intuitive control set lets you dial in your ideal sound with ease
  • 6 built-in FX — Gate, Compression, Drive, Modulation, Delay, and Reverb — with Tap Tempo add color to your tone
  • Reactor App offers access to parameter control, tone creation, and preset sharing within the Positive Grid community
  • Agentic AI-powered DSP constructs amp models at the component level with exacting precision based on text, audio, or image input
  • BIAS X engine and AI-powered Amp Intelligence deliver tube-like touch sensitivity
  • External FX Loop accepts your favorite stompboxes or multi-FX units
  • 50W/25W/1W power selection keeps your cranked sound intact at bedroom levels
  • Line Out and Headphone Out for versatile performance and practice
  • Remote control available via MIDI or the Reactor Control pedal (sold separately)

Specifications

  • Type: Solid State
  • Number of Channels: Single Channel
  • Output Power: 50W
  • Speaker Size: 1 x 12" Positive Grid Reactor
  • Effects: Yes
  • Amp Modeling: Yes
  • EQ: 3-band EQ
  • Inputs: 1 x 1/4", 1 x 1/4" (power amp)
  • Outputs: 1 x 1/4" (line)
  • Effects Loop: Yes, 2 x 1/4" (send/return)
  • MIDI I/O: In
  • USB: 1 x USB-C
  • Headphones: 1 x 1/8"
  • Footswitch I/O: 1 x 1/4" (reactor control)
  • Computer Connectivity: USB
  • Power Source: Standard IEC AC cable
Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 25339055571

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Mike
Lake Worth, US
★★★★★ 1
Didn’t come with all the Parts - Essentially Worthlist Return in process. Huge inconvenience
Product came with everything but the rubber pads that receives the screws so it’s essentially worthless upon arrival. Now I have to go out of my way to go to UPS to send it back and process a return which will take 7 business days until I can receive a refund. I was excited for this package too what a complete let down !
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Reviewed in the United States on December 31, 2025
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jackelin mojica
Belleville, US
★★★★★ 1
Is not good color is not like the picture
This very loosely very complicated is a two person job not worth the price
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Reviewed in the United States on May 31, 2026
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C.L.
Lake Worth, US
★★★★★ 5
Excellent privacy shade.
Color: Coal Black
This delivered on exactly what it promises. So happy with the quality for the value. The shades are a fabric, nylon like, that are attached with a pocket on one end and velcro that adheres around the bar on the other. This was incredibly easy and straightforward to put together. Every piece was clearly labeled, coordinated with the instruction sheet, and fit perfectly. Honestly, I wasn’t planning to leave a review but I was so impressed by how clearly labeled and well explained the instructions were that I felt compelled to note it. Especially for anyone who doesn’t like putting things together, or is used to subpar instructions, this is leagues above the rest. It’s such a simple build anyway, but after buying so many things that barely fit as they should, this stands out. It is lightweight and easy to move. Offers privacy when opened, then can be folded out of the way. It looks exactly as pictured. No complaints, it’s a solid item and worth the price.
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Reviewed in the United States on April 9, 2026
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Courtney A.
San Leandro, US
★★★★★ 5
Decent quality for the price
Color: Grey
Decent quality for the price. Other privacy screens were extremely out of my budget, but this looks and works just fine- I just needed something simple to place behind my couch to hide some clutter. It took me about a half hour to assemble, but it was easy enough. It might be due to my carpeting, but I don't trust that the screen would be stable enough to stand freely without falling. Thankfully my plan all along was to wedge the screen between the couch and a box of clutter anyway, so for me it works as l'd planned!
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Reviewed in the United States on April 10, 2026
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Madi R.
Bozeman, US
★★★★★ 4
Overpriced but effective.
Color: Cream
I happened to get lucky and get a warehouse deal at an additional 30% discount. Even at $25, it feels a little overpriced. But it was easy to assemble and serves its purpose. If you line the Velcro up exactly, the panels sag, if you stretch past even, but where it still grips, they look pretty ok. It is very light and does fold very compact for easy storage.
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Reviewed in the United States on April 3, 2026

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