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HeadRush Flex Prime Electric Guitar Multi-Effects Pedal

  • Based on 566 reviews
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Availability: In Stock.
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Arrives Wednesday, Sep 23
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Set name: Flex Prime


Features

  • Next-Generation Guitar and Bass Multi-FX and Amp Modeler - 4" responsive color touchscreen and a multi-core processor with a huge library of effects, amp/cab/microphone models, impulse responses, and more
  • 700+ Premium Emulations of vintage, modern and boutique acoustic and electric guitar and bass gear with unprecedented accuracy, natural dynamic response and designer factory presets from ChopTones
  • Native Neural Amp Modeler (NAM) Support with TONE3000 Access - Connect via onboard WiFi and HeadRush Cloud to browse, download, and play premium amp captures, pedals, and full rigs from the global tone community
  • Wi-Fi Preset/Clone Sharing with HeadRush Cloud - Featuring 10,000+ exclusive rigs and clones created by the HeadRush community and featured artists; Dropbox Integration for easy file transfer
  • Pro Looper w/ MIDI Sync, Save/Load features - Built-in USB Audio Interface for macOS/Windows recording with Hands-Free tone editing and integrated Drum Machine with easy footswitch workflow & 16 kits/134 Alesis Drums/BFD patterns
  • Wi-Fi Remote Web Editor - Connect directly to your HeadRush Flex Prime at the studio or gig and edit presets via iOS, Android, macOS, or Windows tablets or computers with a 7" or larger display
  • Includes ReValver 5 and ReValver Amp Cloner Software for macOS and Windows for creating clones and SuperClones of your favorite amps, pre-amps, or distortion/overdrive/fuzz pedals
  • Connections - 1/4" guitar in, 1/4" expression in, 1/4" stereo FX loop for external FX pedals and 4 cable method, stereo 1/4" main outs, 1/8" headphones out, 1/8" stereo aux in, 1/8" MIDI I/O
  • Compact and Durable Chassis - Pedalboard-friendly, featuring 3 customizable footswitches with color LEDs and a built-in assignable expression pedal with toe switch and adjustable tension
  • Level Up Your Skills - Get a 90-day membership to Guitareo, the leading educational community for guitarists of all levels, providing an extensive collection of courses, artist content and more

Description

The Flex Prime is HeadRush's most powerful and versatile compact effects processor ever, delivering incredibly realistic guitar and bass sounds via an advanced multi-core processor and 4” touchscreen. With a massive library of effects, amp, cab, and microphone emulations, plus proprietary next-generation clone playback technology, Flex Prime provides an ultimate library of vintage, modern, and boutique tones. Native Neural Amp Modeler support and direct TONE3000 access via onboard Wi-Fi open the door to a massive world of downloadable amp captures.Built into a portable yet durable chassis, Flex Prime features 3 footswitches with RGB indicators, a built-in expression pedal, and comprehensive I/O including Bluetooth audio. The intuitive touch interface enables you to swipe, drag, and drop to create and edit rigs faster than ever.Beyond performance, Flex Prime is a true creative partner. It offers a best-in-class looper with save/load functions, an intuitive drum machine powered by Alesis Drums/BFD sounds, and robust practice tools with TIDAL and Dropbox integration to make jamming and learning songs easier than ever. With onboard Wi-Fi, Flex Prime connects directly to HeadRush Cloud for rigs and clones, and to TONE3000 for NAM captures you can browse, demo, and download.

Brand: HEADRUSH


Style: Flex Prime


Color: Black


Product Dimensions: 11.76"L x 6"W x 2"H


Item Weight: 1.6 kg


Voltage: 12 volts


Amperage: 3 A


Audio Output Effects: Distortion, Delay, Chorus, Reverb, Modulation


Controls Type: Touch, Footswitch


Power Source: Corded Electric


Hardware Interface: USB 2.0 Type B


Signal Format: Analog


Style: Flex Prime


Color: Black


Item Dimensions L x W x H: 11.76"L x 6"W x 2"H


Item Weight: 1.6 kg


Item Dimensions: 11.76 x 6 x 2 inches


Connector Type: 1/4" TRS, 1/4" TS, 1/4" Stereo, 1/8" MIDI, USB Type-B


Brand Name: HEADRUSH


Number of Items: 1


Item Highlight: Multi-Effects Processor with Amp Cloner, Looper, Auto-Tune, Wi-Fi, Bluetooth, Touchscreen, Drum Machine, Neural Amp Modeler


UPC: 694318026403


Included Components: Power adapter, USB cable, Quick start guide


Manufacturer: inMusic Brands Inc.


Model Name: Flex Prime


Model Number: FLEX


Manufacturer Part Number: FLEX


Set Name: Flex Prime


Warranty Description: 1 year manufacturer.


Frequently asked questions

If you place your order now, the estimated arrival date for this product is: Wednesday, Sep 23

Yes, absolutely! You may return this product for a full refund within 30 days of receiving it.

To initiate a return, please visit our Returns Center.

View our full returns policy here.

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Top Amazon Reviews


  • CORE is AMAZING!!
Set name: Core
The Core is amazing. First a bit of background. I have played guitar for over 40 years. These days I play mostly solo acoustic. I purchased the Core with an expression pedal to replace several older pieces of equipment. I have not been disappointed. I chose the separate pedal because I don’t like my expression pedal locked in one place. The Core does everything. If you don’t think it does something, you probably haven’t figured it out yet or have done something incorrectly. First bit of advice is read and print the manual off the HeadRush website. I can’t say this would be the best choice for a novice, and it is not plug in and play. You need an understanding of the equipment parameters you are asking it to simulate as well as the the key you are playing in if you intend to auto tune. The unit is all metal except the touch screen and feels very durable. It’s larger than I expected and given the build quality, it’s also heavier than I thought it would be. Whoever designed this has obviously spent a great deal of time on stage. It does EVERYTHING! Guitar, vocals, and has extremely well thought out features. Once you set up a rig, and fine tune each of the blocks, (effects) the sound quality is amazing. That being said, it can take time to get your sound just the way you want it. It’s a bit like having a 40 way adjustable driver’s seat. Editing is basically like editing a PdF. Just remember to Save. It is also helpful to review a list of effects, amps and cabinets so you know what HeadRush calls each of them. If you can’t find what you like, you can download or create your own sound in a few different ways. The core is able to run straight into a powered PA if you opt to leave the mixer behind. Input and output levels for guitar and vocals can be controlled from the touchscreen as well as controlling which outputs go where and at levels. The only problems I have had are some WI-FI connectivity. It actually seems to work best connected via cell phone. The other glitch is an occasional delay when switching between rigs. Not a big deal because it is between songs or when switching a rig to use with a different guitar. It would be nice to be see all effects when assigning hardware buttons, but that’s where having the manual available comes in handy. So far, (about a month) I’d say HeadRush has created a remarkably well thought out and capable piece of professional level equipment for this price point. ... show more
Reviewed in the United States on February 25, 2024 by Chandler

  • Powerful, Easy-to-Use Multi-FX Pedal
Set name: Flex Prime
I picked up the HeadRush Flex Prime, and it’s honestly one of the most user-friendly multi-effects units I’ve used. It packs a ton of features into a compact pedal, but the touchscreen interface makes everything surprisingly simple to navigate and dial in. The effect patches are some of the best I’ve heard in a multi effects pedal. Plenty of adjustability and creativity! Right out of the box, the amp models and effects sound great—from clean tones to high-gain, plus solid bass presets. The ability to load custom IRs is a big bonus if you like fine-tuning your tone or matching specific cabinets. The onboard lessons and connectivity features are a nice touch, especially if you’re learning or want an all-in-one practice setup. What I liked: * Excellent sound quality with realistic amp and cab modeling * Touchscreen interface is intuitive and fast to use * Tons of effects and presets for guitar and bass * Built-in looper is great for practice and layering ideas * Wi-Fi & Bluetooth for updates and extra features * IR loader for custom tones and flexibility * USB connectivity for recording and editing Things to know: * There’s a slight learning curve if you’re new to multi-effects units * Not as many footswitches as larger boards, so patch setup matters for live use Overall: This is a feature-packed, great-sounding multi-effects processor that’s easy to use and versatile enough for practice, recording, or gigs. If you want a modern all-in-one pedal with a clean interface and tons of options, the Flex Prime is a solid choice and value for the money. ... show more
Reviewed in the United States on May 1, 2026 by John Markelewicz

  • As Good As It Gets at This Price!
Set name: Flex Prime
I love the tones I hear on recordings of my favorite guitarists. THOSE are the sounds I want to hear when I’m playing. So my new ‘rig’ is a powered FRFR cabinet being fed by a digital modeler front end. I tried the $399 Tonex unit and found it mostly excellent except that it isn’t a true modeling amp but rather a unit built around specific tone samples. Some were fantastic, others much less so. The unit also had a handful of basic effects to complement those samples. In contrast, and for only $100 more, the HeadRush Flex Prime uses meticulously crafted models of LOTS and LOTS of actual popular amps, effects, cabinets and IRs too. I finally have the full spectrum of guitar tones spanning from the 50s through today, accurately and faithfully reproduced, right down to the feel of how the tones respond to my fingers, pick, dynamics and note muting techniques. I am currently feeding it into my Spark FRFR cabinet and it sounds terrific, and ay all volume levels too. Getting satisfying, album-like tones at low volume levels is one of the benefits of using a FRFR based system. A conventional tube amp has to be cranked to ear-splitting levels to get the tones we crave, but that our wives and neighbors hate to also have to listen to. This unit supposedly has the exact same technical innards and sound models as the bigger, more expensive HeadRush units, and each tonal patch allow up to fifteen ‘blocks’ including an amp and cab, and are almost endlessly tweakable, but easily and in instantly musically ways. I’ve had it now for about a month and have already created the dozen or so patches I need to cover 90% of what I need. The learning curve is about an hour, but the combinations of tonal elements near infinite, and so I’ve barely scratched the surface. But the results are accurate, satisfying and most importantly, INSPIRING! You just want to play for hours! But it doesn’t stop there. Included is their ‘Revalver 5.0’ software, a program where you can modify amp models’ internal circuitry and build rigs that can ultimately be transferred to your physical unit. There’s also their ‘Amp Cloner’ software for capturing your own amps’ tones should you have a specific amp sound you’d like to take everywhere you go without having to lug your heavy tube amp head/combo and half/full stack. I’m just getting into these so look for a follow-up review in another few months. Is the experience the same as standing in front of a raging stack blasting at 120 db while your pant legs flutter? No. But in my mind it’s better. You get to hear the tones you’re actually chasing, like you hear on the albums, at any volume you want. And they sound right because this little box has accurate models of the amps that created them, not just the one or two tones your stack provides. ... show more
Reviewed in the United States on February 18, 2025 by Doobster6

  • Powerful Lead Pitch Engine, But a Disappointment for Acoustic Harmony and zguitar USB Tracking
Set name: VX5 Vocal Effects Processor
I bought the HeadRush VX5 to replace my trusted TC-Helicon PlayAcoustic. Having previously tried and returned both the BOSS VE-8 and the BOSS VE-500 due to workflow limitations and tracking issues, I was hoping the VX5’s licensed Antares engine would be the silver bullet for my setup. After an exhaustive bench test using a Shure SM7B dynamic microphone (with a Micfuns M1 inline preamp booster) and an acoustic guitar equipped with hot, passive K&K Pure Mini pickups tracking directly into a DAW via USB, here is my honest breakdown. THE GOOD: Elite Lead Pitch Correction & Reverbs If you are strictly looking at single-line vocal pitch correction, the VX5 is highly capable. The Antares Engine on Lead: For locking down a single lead vocal track, the licensed Antares algorithm handles basic pitch correction tightly and quickly. If you want a snappy, modern pop effect, it transitions easily from transparent correction to a hard robotic snap. Premium Reverbs: The internal Hall and Studio space models sound pristine, deep, and high-fidelity, without muddying up the high frequencies of a dynamic vocal mic. THE BAD: Synthetic, Unnatural Harmonies If you are expecting smooth, natural, human-sounding background duets like you get from TC-Helicon units, you will be deeply disappointed here. Glitchy and Inconsistent Tracking: Even when ignoring the guitar input completely and setting the pedal to a fixed, manual musical key, the harmonies do not feel smooth or consistent. The pitch tracking feels jumpy and unstable, rather than a steady, reliable backing blend. The "Digital Clone" Problem: There is a severe limitation to the harmony selections. The generated output does not sound like a real second singer standing at a separate mic. Because the pedal lacks advanced human modeling or formant shifting, the backing tracks sound exactly like your own voice being mechanically stretched and digitally modified. It is an artificial, synthetic blend that completely lacks organic warmth. THE UGLY: A Dealbreaker for Acoustic DAW Recording This is where the pedal completely failed my workflow. If you intend to run the VX5 directly into your computer via a USB cable to record into a DAW, be warned: It cannot separate your guitar and vocal tracks. The Flattened USB Mix: Unlike the TC-Helicon PlayAcoustic (which can split discrete Left/Right channels over USB to keep your guitar and vocals completely isolated), the VX5 forces a fully mixed, flattened mono sum down the USB line. Acoustic Masking & Tone Ruin: Because the guitar and vocal signals are mixed internally before hitting the USB port, your raw guitar tone gets completely crowded out by the heavy vocal frequencies and the 30% Hall vocal reverb. This creates massive phase clashing and acoustic masking, making a premium acoustic guitar sound strange, hollow, and metallic in your monitoring headphones. The Defeated Guitar Thru: While the pedal features a passive 1/4" Guitar Thru jack, this is a purely analog circuit block. It cannot convert your guitar to digital data for the USB cable. Therefore, you cannot split the tracks in your DAW software. PHYSICAL LIMITATIONS: No Remote Pedal Ports For a live solo performer, the physical design choices introduce immediate friction. HeadRush completely omitted standard 1/4" external footswitch or expression ports to keep the chassis small. If you want to toggle harmonies on and off between verses and choruses, you cannot use an external accent pedal. To bypass this, you have to use clunky software workarounds like duplicating identical presets side-by-side (one with harmony off, one with harmony on). Final Verdict: If you are a live pop/rock singer who uses a separate mixer, wants manual key selection, and demands aggressive Antares pitch correction on your main voice, the VX5 is brilliant. But if you are a solo acoustic singer-songwriter who relies on natural-sounding background harmonies and a clean USB connection to record pure, uncolored guitar tracks alongside your vocals, I would recommend to not buy this pedal. It requires too many external hardware splits, separate interfaces, or DI boxes just to protect your acoustic guitar tone from a synthetic internal vocal mix. ... show more
Reviewed in the United States on May 28, 2026 by Geronimo

  • New All in One Pedal King!
Set name: Core
Great device and I love user friendliness of the 7” screen. Most people rave about Headrush for its guitar features, but my primary reason for purchasing was for its promised Vocal Processing features. The fact that both Guitar and Vocal effect are included in one unit is a huge plus. I own and have owned many T.C. Helicon vocal pedals as well as the BOSS VE-500 pedal. I believe the Boss is King in ability and Helicon Number 1 in user friendliness and both are Very Excellent pedals. During my first few days of use with the Headrush Core it looked like the Headrush Core was coming at third place on vocal capabilities and now after using it for awhile third place sadly is confirmed. However, after digging deeply into its settings I believe as a Vocal pedal the Headrush Core could be King but it needs a few more voice changing improvements especially the pitch and gender areas. For me final results mean everything and if you’re willing to spend the time learning the ins and outs it will meet most of your requirement however not yet in par with both the Helicon and the Boss. The T.C. Helicon is still Number 1 for ease of use and the Boss is still excellent number one in the results capability arena. Headrush Core has many presets for each of its vocal and guitar pedals and numerous adjustments for the presets. It also has the ability to arrange the order of each effects pedal and on top of that you can use any guitar pedal within your vocal setup. Even if the pedals were subpar (and they’re not) you still have a huge advantage in achieving you needed result. The catch is that it’s not as straight forward as the Helicon or the Boss which try to do most of the work for you, the Headrush’s extremely versatile and it requires putting time into creating that perfect sound. However, once you achieve your desire outcome and save it, it’s yours forever. I prefer the Core over the Prime because of the preferred size. Because the Headrush Core is an Electronic Beast I recommend you get a 3year extended warranty. Why only 3 years? Because others will be chasing the Headrush Core and by the end of 3 years you’ll want the next best thing. As an all in one pedal however it's hard to fine something better, but I'm always looking. ... show more
Reviewed in the United States on December 23, 2023 by M. Marks

  • The pitch correction is worth the price
Set name: VX5 Vocal Effects Processor
I’m confused by some of the negative reviews. The thing requires a firmware update as soon as you get it in order to have access to things like vocal compression. However, it was functional out of the box. At least for me, the firmware update was seamless and took five minutes I bought this unit for one reason; Live pitch correction. I have always had pretty decent pitch, but better is better, and this makes it better. If you cannot sing at all, I do not see how this would be of much benefit to you. But if you can sing, you can set the parameter on this thing to “chromatic“ and dial in the return speed and the humanize knob until you get transparent vocal pitch correction. If you have never used live pitch correction before, it can initially be a little bit disconcerting because you hear the corrected pitch through your monitor while hearing the original pitch via bone conduction in your head. It is like hearing a sound slightly out of phase. But you are the only person who can hear that sound. Before I ever used this unit live, I hooked it up to a full PA and set up a microphone in front of the speakers and recorded me playing and singing a song with an acoustic guitar and my vocal. The recording sounds great and was totally transparent. I’ve seen some reviews that complained about being able to hear the correction. That’s either a defective unit or they haven’t tinkered with the retune speed or the “humanize” KNOB. The second of those is actually more important. The knobs on this do not work the same as they do in a DAW, so some experimentation is essential. The harmony feature is not something I care about which is good because I do not think it’s great. I do run a guitar through it and I run it in chromatic mode and it does make some harmonic sound but I have heard way better from other manufacturers. The reverbs in delays are pretty nice but I do wish I could EQ the reverb because they tend to be pretty bright. But that’s what board EQ is for. My rating is based on the transparency and effectiveness of the pitch correction, which is the whole deal. If you are a good enough live singer where you can run this in chromatic mode and only have to think about it whenever you wanna talk to the crowd (it has a full bypass mode by stepping on the right button for two seconds) then this is the unit you’ve been looking for ... show more
Reviewed in the United States on March 25, 2026 by Honest Mango

  • The Next Generation has Arrived
Set name: Prime
With the 5.0 firmware update and the new Drum Kit feature, the Prime has taken a major step forward. This is my second unit, and HeadRush continues to show strong long-term support and commitment to updating the platform. The sound quality through my two FRFR 108 speakers is excellent, and the Prime still delivers some of the most realistic amp, cab, and IR tones in its class. Functionality is a real standout. You get a powerful looper, a deep drum machine, an amp cloner, a full suite of guitar and vocal effects, USB audio, Wi-Fi, Bluetooth, and a large touchscreen that makes building rigs fast and intuitive. Control options are extensive, from assignable footswitches and scenes to onboard and external expression pedals. The global settings and remote editor add even more flexibility for live and studio work. The included power supply is solid and reliable, and the overall build quality feels ready for heavy gigging. For the price, the Prime offers tremendous value for money considering how many devices it replaces. Updates like the 5.0 release make it an even better investment over time. If you want an all-in-one unit that keeps expanding in capability, the Prime is an easy recommendation. ... show more
Reviewed in the United States on December 5, 2025 by M. Levine

  • Best Bang for the Buck
Set name: Core
So I wanted a modeling unit that was super easy to learn to use unlike most of them taking some form of a mad scientist degree to learn to use. This unit is rock solid and pretty much untouchable for the price for what it has to offer. First off 7 inch touch screen, built in looper and drum machine. If that's not enough it's got vocal effects and powered microphone input. But best of all it has full cpu and processing power no matter which unit you choose. Each step down offered by the competitors is a loss in cpu and processing power but not with Headrush. I would recommend to anyone wanting to enter and learn the modeling world. Oh and both the prime and core models offer the antares auto tune, something that no one else offers. ... show more
Reviewed in the United States on January 16, 2026 by Stephen E Gates Jr

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