Electro-Faustus EF102 Photo Theremin

^# 45

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

$126.00 Price Tier: Standard

4.0 (3)

1 Critic Review

Find out who is using Electro-Faustus EF102

4 wishlisted

9 saved

Page last updated Jul 04, 2026

Pricing and availability

We compare 600+ stores and found this item at 2 stores. Prices updated June 29, 2026.

Store

Reviews

Price

4.0 (8)

$126.00

View Deal

4.0 (5)

$126.00 4 available New

$215.28 1 available Used

View Deal

Average Price: $156

Standard/Professional

$150

$601+

Price Tier

In the Guitar Synth Pedals category, Electro-Faustus EF102 Photo Theremin 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

Step into the world of experimental soundscapes with the Electro-Faustus EF102 Photo Theremin. This innovative guitar synth pedal invites musicians to manipulate sound using light, offering a fresh perspective on sonic creativity. The EF102 is a theremin-inspired device that uses a photo eye to detect changes in light and translate them into an array of pitch and modulation effects. Perfect for adventurous guitarists and synth enthusiasts, this pedal opens up a myriad of possibilities for creating unique audio textures.

By placing your hand over the photo eye, you can control the pitch, creating eerie, otherworldly sounds akin to a traditional theremin. The EF102's intuitive design allows for easy integration into any pedalboard, making it a versatile addition to your setup. With its simple operation and vast sonic potential, it’s an excellent tool for live performances and studio sessions alike, providing an engaging way to explore new musical dimensions.

Key Features:

Light-sensitive control for pitch modulation
Theremin-inspired sound manipulation
Simple integration into existing pedalboards
Perfect for experimental and ambient music styles
Ideal for both live and studio use

Product specs

Brand	Electro Faustus
Model	EF102 Photo Theremin
Finish	Red
Year	2010s
Made In	United States
Categories	Noise Generator Pedals

FAQs

What is the primary function of the Electro-Faustus EF102 Photo Theremin?: The Electro-Faustus EF102 Photo Theremin is a noise generator pedal that uses light to control pitch, allowing you to create unique, theremin-like sounds by waving your hand over its sensor.
How does the EF102 Photo Theremin generate sound?: The EF102 Photo Theremin generates sound by using a photoresistor to detect changes in light, which alters the pitch of the sound it produces. This allows for expressive, hands-free control over the sound.
Can the Electro-Faustus EF102 Photo Theremin be used with other effects pedals?: Yes, the EF102 Photo Theremin can be integrated into a pedalboard and used with other effects pedals to create a wide range of experimental sounds and textures.
Is the Electro-Faustus EF102 Photo Theremin suitable for live performances?: The EF102 Photo Theremin is suitable for live performances, especially for musicians looking to add experimental and unique soundscapes to their set. Its intuitive control makes it a great tool for live sound manipulation.
Does the EF102 Photo Theremin require a power supply?: Yes, the EF102 Photo Theremin requires a 9V power supply to operate, which is standard for many guitar pedals.

Reviews

Add review

PROS

Fun and easy to use, adding spacey Theremin sounds atop guitar playing
Allows control with foot, hand, or other means for creative expression
Compatible with additional effects like tremolo, delay, and reverb for enhanced soundscapes
Ambient lighting affects pitch, offering unique performance dynamics
Independent of guitar signal, allowing uninterrupted play when engaged

CONS

Pitch change delayed with large adjustments, limiting rapid tonal shifts
Silences guitar signal when on, requiring additional setup for simultaneous play
May need an active/buffered AB/Y switch or second amp for optimal use

Owner Insights

We analyzed real musician discussions from forums and Reddit to find what players love, question, and tweak about Electro-Faustus EF102 Photo Theremin.

Features and functionality

0 0

The EF102 uses a photocell that requires close proximity to manipulate sound, making it less suitable for low-light stage environments.
Source

Use cases and applications

0 0

Users report having fun with the EF102 in well-lit rooms, but it hasn't been widely tested in live performance settings.
Source

User experience

0 0

Owners find the EF102 incredibly fun for casual playing, suggesting it's more suited for experimental home use rather than professional gigs.
Source

Comparisons

0 0

The EF102 is mentioned alongside Digitech Freqout and E-bow setups, indicating it as an alternative for creating theremin-like effects on a guitar.
Source