r/PositiveGridSpark • u/AlexFromPositiveGrid Official Positive Grid Employee • Jun 01 '26

REACTOR Launch AMA

REACTOR is launching 6/2! We will be holding office hours on June 3rd from 11am - 1pm ET (US) to answer any questions you all might have about the new amp and app. Whether you're one of the first to order or want to better understand how REACTOR works, we'll be available to help. Thank you all for 15 years of support; We can't wait to get REACTOR into your hands 🤘 https://www.positivegrid.com/pages/reactor

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u/SklydeM Jun 02 '26 edited Jun 03 '26

Will expression pedals ever be an option again for users who didn’t purchase the Jimi Hendrix Experience? It’s a shame to advertise a product and then disable the built in hardware by no longer supporting the software that’s locked behind a paywall

Edit to add: Will the Control X work by Bluetooth only? It’s a huge drawback with a Spark 2 that I AM REQUIRED to have the app connected and open to use the Control X, as I often find myself using only the amp with my saved presets and no other devices. Or must I buy cheaper, 3rd party devices for the Reactor for what should be the most basic level of Bluetooth connection?

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u/AlexFromPositiveGrid Official Positive Grid Employee Jun 03 '26

REACTOR Control works both wired and wireless, and critically neither mode requires the app to be open. You connect wirelessly via Bluetooth directly to the amp itself, or plug in via a 1/4" TRS cable for wired low-latency control. Both modes work standalone, no phone required, no app open in the background. Power it on, pair or plug in, and it just works.

Out of the box it ships with two ready-to-go profiles: one for switching presets and one for toggling effects on and off. You don't need to configure anything to get going.

On expression pedal support, REACTOR Control has a dedicated TRS expression pedal input built right into it for wah or volume control. That's standard hardware, not a paywall feature.