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HeadRush Flex Prime Multi-FX Processor Pedal

BH #HEFLEXPRIME • MFR #FLEX PRIME
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HeadRush Flex Prime Multi-FX Processor Pedal
Key Features
  • Multicore DSP, Gapless Switching & Tails
  • 600+ Realistic Amps, Cabs, Mics, and FX
  • 4" High-Resolution Touchscreen with GUI
  • Up to 14 DSP Blocks per Rig
Unleash the perfect tone for any scenario with the HeadRush Flex Prime, a multi-FX processor for guitar and bass sporting over 600 realistic and responsive amps, cabs, mics, and FX. With its powerful multicore DSP hardware, you can enjoy gapless preset switching, Neural Amp Modeler support, and up to 14 simultaneous DSP blocks (FX, amps, etc.) for unlimited tonal possibilities.
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HeadRush FLEXPRIME Overview

Unleash the perfect tone for any scenario with the HeadRush Flex Prime, a multi-FX processor for guitar and bass sporting over 600 realistic and responsive amps, cabs, mics, and FX. With its powerful multicore DSP hardware, you can enjoy gapless preset switching, Neural Amp Modeler support, and up to 14 simultaneous DSP blocks (FX, amps, etc.) for unlimited tonal possibilities.

With a 4" color LCD touchscreen and guitarist-centric graphical user interface, creating and customizing FX has never been easier. With integrated Wi-Fi technology, you can edit or share presets remotely without any software downloads, and access the wide tone ecosystem of TONE3000 through HeadRush Cloud, while Bluetooth enables easy audio streaming to play along with your favorite tracks. Three footswitches can be freely assigned and given custom LED colors, while the integrated expression pedal provides enhanced performance options and provides a toe switch and adjustable tension. You can use Flex Prime as a 24-bit / 96 kHz USB audio interface for painless reamping and recording. Flex Prime comes with software for capturing your own Clones, providing infinite options for expanding your library. And connections are plentiful, including a stereo FX loop, stereo outputs, aux input, and headphone output.

Endless Tonal Possibilities
The HeadRush Flex Prime includes an expansive library of detailed models designed to capture the sound, response, and feel of amplifiers, cabinets, microphones, and effects both classic and modern. From essential clean, crunch, and high-gain tones to ambient textures, pitch-based effects, and synth-inspired sounds, Flex Prime gives guitarists and bassists a wide creative range in a compact format. Players can also expand beyond the onboard library with HeadRush clones, SuperClones, third-party impulse responses, native Neural Amp Modeler captures, and tones discovered through HeadRush Cloud and TONE3000.
Explore New Sounds with HeadRush Cloud and TONE3000
Thanks to onboard Wi-Fi, the HeadRush Flex Prime connects directly to HeadRush Cloud for browsing, sharing, downloading, and organizing new tones. HeadRush Cloud gives players access to rigs and clones from the HeadRush community and featured artists, while direct TONE3000 access opens a growing library of compatible Neural Amp Modeler captures from a global creator community. Whether you are chasing a familiar amp sound, building a custom rig, or looking for fresh inspiration, Flex Prime makes tone discovery part of the pedal itself.
Access the Open Tone Ecosystem
With native Neural Amp Modeler support and direct TONE3000 access through HeadRush Cloud, Flex Prime brings the open tone ecosystem into a compact touchscreen workflow. Players can browse, download, and perform with compatible NAM captures from a growing community of musicians, producers, engineers, and tone creators, then combine those tones with Flex Prime's onboard amp models, effects, clones, SuperClones, and third-party IRs. It is a faster way to move from tone discovery to a playable guitar or bass rig without relying on a separate computer-based workflow.
Full Compatibility with HeadRush Prime and HeadRush Core
  • The HeadRush Flex Prime delivers powerful HeadRush processing in a compact, portable enclosure built for guitarists and bassists who want a pedalboard-friendly creative rig.
  • It supports up to 14 DSP blocks per preset across 5 flexible signal path types, giving players room to combine effects, amps, cabs, clones, IRs, NAM captures, and more in detailed custom rigs.
  • Presets, setlists, clones, and SuperClones created on HeadRush Prime and Core are compatible with Flex Prime, making it a practical compact option for existing HeadRush users while keeping the focus on a full-featured standalone tone platform.
Unlimited Expansion
The HeadRush Flex Prime supports multiple ways to expand your tone library, including Neural Amp Modeler captures, HeadRush clones, SuperClones, convolution reverb impulse responses (C-Verb), and third-party cabinet impulse responses. Load NAM captures through TONE3000 and HeadRush Cloud, import IRs to shape cabinet and microphone character, or use HeadRush cloning technology to add precise captures of sought-after amps, pedals, speakers, and studio gear. With USB, Wi-Fi, Dropbox, HeadRush Cloud, and direct TONE3000 workflows available, Flex Prime gives players flexible ways to build a personal tone library that grows over time.
Capture Your Own Gear with Amp Cloner Software
HeadRush Flex Prime includes a free copy of HeadRush ReValver Amp Cloner software for creating your own Clones and SuperClones. Using proprietary ACT (Audio Cloning Technology) Gen II, ReValver Amp Cloner captures the sound and response of hardware and software guitar amps, cabs, and distortion, overdrive, or fuzz pedals.

It can also combine multiple amp or pedal clones into a single SuperClone that morphs between captures, giving players another way to build custom tones alongside Flex Prime’s onboard models, NAM support, TONE3000 access, and third-party IR loading. A separate audio interface with a microphone input is required for creating captures.

Jam Along with a Drum Machine
The HeadRush Drum Machine is your new onboard, on-call drummer for solo practice, songwriting, and performances. Access 16 drum kits and 134 styles across 15 genres, designed by the experts at Alesis Drums and BFD.

Trigger fills, transitions, and accents all via footswitch. Easily access your pedal's onboard Looper controls to layer riffs and develop song ideas. Fine-tune every element of your drum sound and feel with Mix, EQ, Length, Tuning, Reverb, Drive, Intensity, and Groove controls.

Gapless Preset Switching with Tail Spillover
The HeadRush Flex Prime's multi-core processor enables gapless preset switching with reverb/delay tail spillover. The tails of any reverb or delay effects in your setup can be configured to ring out when changing presets and/or turning off individual delay or reverb effects. This means that every transition with the Flex Prime will sound fluid and seamless, just like a professional studio recording.
Advanced Looper with MIDI Sync
The HeadRush Flex Prime features a highly functional looper for live layering, practice, songwriting, and performance. Loops can be up to 5 minutes long with up to 20 minutes of layered audio, and finished loops can be saved as WAV files and exported to a Mac or PC. You can also import WAV files for backing tracks, combine the looper with the built-in drum machine, and sync the looper to external MIDI devices.
Integrated USB Audio Interface
Flex Prime's USB connection lets you record and reamp directly with a computer using the pedal as a 24-bit / 96 kHz audio interface. Reamping sends a recorded guitar or bass track from your DAW through Flex Prime, then records the processed signal back into your session, making it easy to refine tones after tracking, compare rig options, and bring hardware-based processing into a recording workflow.
Remote Wi-Fi Editing
Flex Prime makes it easy to edit your rig remotely from a Mac, PC, or tablet using the built-in Wi-Fi connection, with no software download required. Open a web browser, enter the IP address shown in Flex Prime's global settings, and adjust rigs from your device. Remote editing is especially useful in home studios, on cramped pedalboards, or during sound checks when the pedal is not easy to reach.
All the Connections You Need
The HeadRush Flex Prime integrates easily into current rigs with inputs and outputs for practice, recording, and live performance.

  • The rear panel includes a 1/4" instrument input, two 1/4" TRS outputs switchable between amp or line level, a 3.5mm headphones output, a 3.5mm stereo aux input, and 3.5mm MIDI input and output connections.
  • Flex Prime also features a 1/4" stereo effects loop for integrating external pedals at any point in your signal chain or using the four-cable method with a traditional amplifier.
  • The USB-B port supports firmware updates, audio interface functionality, and importing or exporting files directly to and from your HeadRush Flex Prime.
Pedalboard Friendly and Road Ready
Powerful and portable, the HeadRush Flex Prime is built for players who want modern HeadRush tone creation in a compact, pedalboard-friendly format. At just 3.5 lb, it fits easily on pedalboards, in backpacks, or in instrument cases, while its durable chassis is ready for rehearsals, recording, and live use. Hands-free editing, global EQ, and assignable footswitches. Setlists help keep compact rigs organized and performance ready.
Level up Your Skills with Guitareo
The HeadRush Flex Prime includes a free 90-day membership to Guitareo—the world's leading educational community for guitarists. Guitareo provides an extensive collection of courses, artist content, and more to help guitarists achieve their goals. Guitareo has content for guitarists of all levels to learn and expand their skill set from world-class musicians.

HeadRush FLEXPRIME Specs

Effect Type
• 109x Multi-Effect
• 97x Amp Model
• 82x Cabinet Model
• 315x Impulse Response (IR)
• Up to 15 Simultaneous Effects
Instrument
Guitar
Controls
2x Knob
3x Footswitch
1x Foot Pedal
Bypass Type
True Bypass
Loop Recording
Up to 5 Minutes
Sample Rate
96 kHz
Bit Depth
24-Bit
Connectivity
Inputs/Outputs
1x 1/4" TS Instrument Input
1x 1/8" / 3.5 mm TRS Aux Input
1x 1/4" TRS Footswitch/Expression Input
1x 1/8" / 3.5 mm TRS MIDI Input
2x 1/4" TRS Line Output (L/Mono or L/R Stereo)
1x 1/8" / 3.5 mm TRS MIDI Output
1x 1/8" / 3.5 mm TRS Headphone Output
1x 1/4" TRS Effects Loop Send
1x 1/4" TRS Effects Loop Return
USB
1x USB-B
Audio Interface Capability
Multi-Track: 4x Input / 4x Output
Media/Memory Card Slot
No
Mobile App Compatible
No
Wireless
Wi-Fi / Bluetooth
Power
Input Power
12 VDC at 3 A
AC/DC Power Adapter
Not Included
Battery
No Battery Support
Physical
Display
Backlit LCD Touchscreen
Dimensions
11.6 x 5.9 x 2.75" / 29.5 x 15 x 6.99 cm
Weight
3.46 lb / 1.57 kg

HeadRush FLEXPRIME Reviews

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