
Anthony Easton
The Flex by Mantic is a versatile pedal with a wide range of features and capabilities. Initially released in 2014, the Flex continues to set itself apart from other PLL (phase-locked loop) pedals. It offers a wild range of sounds and controllability, creating a new and inspiring voice out of anything you put in. The Flex Pro version comes with an expression jack to control the rate of the LFO (low-frequency oscillator). It is biased to offer the most usable range of PLL sounds in a broad musical context without compromising the user's ability to experiment.
The Flex Pro features a mix control, filter range selector, and variable speed LFO for tracking modulation. It has a 9VDC center-negative polarity and a 35mA draw. The pedal also includes a dry/wet mix for added versatility and an input VCA with offset changes that drastically alter the tone based on the input level set.
The pedal is designed with the same PLL circuit as the original Flex, Flex Pro, and FLEX xs guitar pedals. It is recommended for use as an effect with quick enveloped sounds, percussion, snappy basslines, VCOs, and as an aux send, as it can create something new and exciting out of anything thrown at it.
The Flex by Mantic has notable users including Nick Reinhardt, Adrian Belew, Jack White, Justin Meldal-Johnson, Simon Francis, Claudio Sanchez, Ikey Owens, and Juan Alderete.
Watch the latest video demos and reviews for the Flex from YouTube. Stompbx updates this every six months to reflect the most popular reviewers and guitar pedal demos for each pedal.

Below are live Reverb listings for the Mantic Flex from Reverb. Stompbx automatically aggregates current offers to give you a quick look at available models, conditions, and prices. Perfect for comparing options and making an informed purchase.

Excellent
$185.25

Excellent
$413.99

Brand New
$447.16

Very Good
$148.45

Brand New
$200

Very Good
$214

Browse through eBay listings for the Flex compiled in real-time. From vintage finds to brand-new units, see a variety of purchasing options. This automated collection helps you explore deals and find the right pedal at the right price.

Used
$280.00

Used
$300.00

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Check out the latest news and articles from around the pedal world.

Anthony Easton
Anthony Easton
Anthony Easton
Anthony Easton
Anthony Easton
Anthony Easton
Anthony Easton
Anthony Easton
Anthony Easton
Anthony Easton
Anthony Easton