Mantic Effects Flex Pro

^# 40

Equipboard's ranking is determined by analyzing factors such as professional artist usage, popularity, user ratings, reviews, and more.

$350.00 Price Tier: Standard

5.0 (2)

This product is Vintage or Discontinued

Find out who is using Mantic Effects Flex Pro

1 community setup

3 wishlisted

10 saved

Page last updated Jun 03, 2026

Pricing and availability

We compare 600+ stores and found this item at 1 store. Prices updated June 3, 2026.

Store

Reviews

Price

5.0 (3)

$350.00 4 available Used

View Deal

Average Price: $350

Standard/Professional

$150

$601+

Price Tier

In the Guitar Synth Pedals category, Mantic Effects Flex Pro is priced in the Standard/Professional range. This is quality gear at a fair price point, suitable for beginners, hobbyists, and pros alike.

Budget

Standard

High-end

^* Product prices and availability are updated by Equipboard every 24hrs and are subject to change. Equipboard may receive compensation for purchases made at participating retailers linked on this site. This compensation does not affect what products or prices are displayed, or the order of prices listed. For more information, please refer to our affiliate disclosure.

Description

Edit description

Unleash your creativity with the Mantic Effects Flex Pro, a versatile guitar synth pedal designed to expand your sonic possibilities. This pedal merges the boundary-pushing capabilities of a synthesizer with the expressiveness of your guitar, offering a unique fusion that stands out in any mix. Whether you're looking to craft rich textures or explore new tonal landscapes, the analog synth engine at the core of the Flex Pro ensures you have a rich palette of sounds at your disposal.

What sets the Flex Pro apart is its intuitive interface, enabling both novice and experienced musicians to dive into complex soundscapes with ease. The pedal features a range of modulation options and a user-friendly layout, making it simple to experiment with different sound combinations. Whether it's on stage or in the studio, the Flex Pro offers reliability and performance that meet the demands of modern musicians.

Designed with robust construction and quality components, the Flex Pro is built to withstand the rigors of live performance while delivering consistent quality. Its compatibility with other effects pedals allows it to integrate seamlessly into your existing setup, enhancing your creative workflow.

Key Features:

Integrated analog synth engine for authentic sound creation
Intuitive interface with easy-to-use controls
Versatile modulation options for a wide range of sounds
Durable construction suitable for live performance
Seamless integration with other effects pedals
Suitable for both guitar and bass setups

Product specs

Brand	Mantic
Model	Flex Pro
Finish	Gray/Multi-Colored
Year	2010s
Made In	United States

FAQs

What kind of sounds can I create with the Mantic Effects Flex Pro?: The Mantic Effects Flex Pro allows you to create a wide range of synth-like textures and experimental sounds, making it ideal for musicians looking to add unique, modulated effects to their guitar tone.
Is the Mantic Effects Flex Pro suitable for live performances?: Yes, the Mantic Effects Flex Pro is designed for both studio and live use, offering robust build quality and versatile sound shaping capabilities that can enhance your performance.
Can the Mantic Effects Flex Pro be used with a bass guitar?: Absolutely, the Mantic Effects Flex Pro works well with bass guitars, providing rich, synth-like effects that can complement low-end frequencies without losing clarity.
What type of power supply does the Mantic Effects Flex Pro require?: The Mantic Effects Flex Pro requires a standard 9V DC power supply, which is common for most guitar pedals, ensuring compatibility with existing pedalboard setups.
How does the Mantic Effects Flex Pro differ from other guitar synth pedals?: The Mantic Effects Flex Pro stands out with its unique modulation capabilities and the ability to create complex, layered sounds, offering more creative control compared to basic synth pedals.

Videos

Add video

Knobs

Mantic - Flex Pro

Knobs

PedalsAndEffects: Mantic Flex Pro Review

Pedals and Effects

Mantic Flex Pro: initial meanderings

Pedal Experiments

Reviews

Add review

Owner Insights

We analyzed real musician discussions from forums and Reddit to find what players love, question, and tweak about Mantic Effects Flex Pro.

Features and functionality

0 0

The Mantic Effects Flex Pro features an Exp. input jack, allowing remote control of modulation rates, which enhances its versatility.
Source
0 0

The manual in development mentions specific control functions like FOCUS, which acts like an "attack" control, affecting time and stability of the VCO with PUMP.
Source
0 0

The FILTER control allows selection among six different VCO decay and range sizes, adding versatility to the pedal's sound shaping capabilities.
Source
0 0

The RATE knob adjusts the LFO modulation rate, which can be toggled on/off using the right footswitch, providing real-time modulation control during performances.
Source

Comparisons

0 0

The Rainger FX Bleep covers similar sound territory to the Flex Pro but is cheaper, easier to dial in, and smaller, making it a practical alternative.
Source

Use cases and applications

0 0

Jack White uses the Mantic Effects Flex Pro on the song "Why Walk A Dog," showcasing its unique fuzz, synth, and PLL hybrid capabilities.
Source

User experience

0 0

Owners report a significant learning curve with the Flex Pro, which may require time to master its controls and sound possibilities.
Source

Value and pricing

0 0

The Flex Pro is considered rare and was acquired for around £200, even in its limited edition silver sparkle variant, indicating a reasonable price point for collectors.
Source