MOOER E7

The MOOER E7 is a polyphonic guitar synth pedal in the company's Micro Series of mini stompboxes, and it was the first synth pedal of this kind in a mini format when MOOER launched it in late 2019¹². It turns your guitar into an electronic synthesizer without the need for special pickups or instrument modifications: you plug in with a standard 1/4 inch cable and play, and the pedal converts what you play into synth voices³. Because it is polyphonic, it tracks chords as well as single notes, and each of its seven voices has its own built-in arpeggiator¹³.

The E7 is the second pedal of MOOER's New Micro series, and it uses the same form factor as the Tone Capture GTR pedal¹⁴. Its synth engine comes from a bigger sibling: gearnews.com reported at launch that the E7 is based on the synth engine of MOOER's flagship GE300 multi-effect⁵.

The controls and presets

The E7 is named for its seven different MOOER custom synthesizer tones, and each tone has an individual arpeggiator plus high/low frequency cut, attack and speed functions¹. Delicious Audio lists the synth types as Trumpet, Organ, Sea wave, Weeyo, Saw wave, 8bits, EDM and Pad³. gearnews.com described the range as running from organ-like effects to ambient synth pads, an 8-bit setting reminiscent of classic video game soundtracks, and a trumpet⁵.

Seven LED indicators on the side of the shell show which of the seven patches is selected, and the four top knobs, Attack, Speed, High Cut and Low Cut, edit the chosen patch¹². Guitar World's mini pedal buying guide noted that the attack, speed, mix and EQ settings help you dial in a patch, though it added that the pedal sounds best with the mix dimed⁶.

Guitar World's verdict on the pedal in that same guide summed it up as a polyphonic synth with 7 modes, a built-in arpeggiator, and no special pickups or cables required, with no listed downsides at its price⁶.

Power, connections and size

The E7 runs on a 9V DC transformer with internal negative, external positive polarity, and MOOER recommends its Micro Power supply¹. There is no battery option, and at 150mA the current draw is high for a micro pedal, well beyond what a typical analog mini stompbox draws, so it needs a proper 9V supply rather than a shared low-current daisy chain¹.

Connections are simple: one 1/4 inch mono jack input at 2.2M Ohms impedance and one 1/4 inch mono jack output at 100 Ohms impedance¹. The enclosure measures 93.5mm deep by 42mm wide by 52mm high and weighs 155g¹. Guitar World's buying guide gives the dimensions as 2" x 1.6" x 3.68", and describes the pedal as a polyphonic synth with an arpeggiator that fits in the palm of your hand⁶.

The firmware is upgradeable via USB, so the pedal's sounds can be revised after purchase³⁴.

Where it came from

MOOER launched the E7 as the second pedal of its New Micro series, using the same form factor as the TONE CAPTURE GTR pedal⁴⁸. The company added 7 LED indicators on the right side of the shell, a feature it highlighted in the pedal's own description¹.

The E7 shares its mini enclosure with the TONE CAPTURE GTR pedal, keeping it in the compact format of the New Micro series⁴. Its seven LED indicators on the side of the shell show the selected patch, tying the display into the pedal's small footprint¹². ===

How it compares with other synth pedals

Most polyphonic guitar synths before the E7 came in larger enclosures or required special pickups, like the Roland and BOSS GR-series approach. The E7's pitch is the combination: full polyphonic tracking, an arpeggiator and seven savable presets in a Micro Series box that costs a fraction of a flagship unit like the BOSS SY-1000 or Meris Enzo. For players who want a single synth voice rather than a deep engine, smaller monophonic options such as the Electro-Harmonix Mono Synth or the DigiTech Dirty Robot sit at the simpler end of the same category, while the Source Audio C4 Synth offers far deeper editing at a higher price. See the synth pedals category page for the full range.

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