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Source Audio Reflex Universal Expression

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$450.00 Price Tier: High-end

5.0 (4)

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1 community setup

6 wishlisted

12 saved

Page last updated Jun 04, 2026

Pricing and availability

We compare 600+ stores and found this item at 1 store. Prices updated June 4, 2026.

Store

Reviews

Price

5.0 (15)

$450.00 2 available Used

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Average Price: $450

High-end/Boutique

$70

$251+

Price Tier

In the Expression Effects Pedals category, Source Audio Reflex Universal Expression is priced in the High-end/Boutique range. This premium gear is built to very high standards and offers premium features.

Budget

Standard

High-end

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Description

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The Source Audio Reflex Universal Expression is a game-changing addition to any pedalboard, providing guitarists and bassists with unparalleled control over their sound. This versatile expression pedal is designed to not just meet but exceed the demands of modern musicians. Whether you're looking to shape your tone with precision or add dynamic movement to your live performances, the Reflex offers a level of flexibility that's hard to beat.

With the ability to control up to three expression outputs simultaneously, the Reflex makes it easy to integrate and manipulate multiple effects at once. Its intuitive design boasts six LFO wave shapes, allowing you to experiment with a wide spectrum of sonic possibilities. Dive into a world of customized soundscapes with a programmable bank that holds up to 128 unique settings, giving you the freedom to explore and express your creativity like never before.

This pedal is not only about expanding your sonic palette but also about convenience and reliability. It's built to withstand the rigors of the road while offering seamless operation, making it an essential tool for studio sessions and live gigs alike. Whether you're into ambient washes, rhythmic modulations, or intricate tonal shifts, the Source Audio Reflex Universal Expression has you covered.

Key Features:

Simultaneous control of up to three expression signals
Six LFO wave shapes for creative modulation
Programmable bank with up to 128 unique settings
User-friendly design built for durability and adaptability

Product specs

Brand	Source Audio
Model	SA163 Reflex Universal Expression Controller
Finish	Black
Year	2010s
Made In	China
Categories	Controller, Expression and Volume Pedals

FAQs

What devices can the Source Audio Reflex Universal Expression control?: The Source Audio Reflex can control a wide range of devices including synthesizers, guitar effects pedals, and MIDI controllers, thanks to its multiple outputs and compatibility with standard expression and MIDI control protocols.
How many expression outputs does the Source Audio Reflex Universal Expression have?: The Source Audio Reflex features three expression outputs, allowing you to control multiple devices simultaneously with a single pedal.
Is the Source Audio Reflex Universal Expression compatible with MIDI devices?: Yes, the Source Audio Reflex is equipped with MIDI capabilities, enabling it to send MIDI Continuous Controller (CC) messages to compatible MIDI devices.
Can the Source Audio Reflex Universal Expression be powered by a standard pedalboard power supply?: Yes, the Source Audio Reflex can be powered using a standard 9V DC power supply, making it easy to integrate into most pedalboard setups.
Does the Source Audio Reflex Universal Expression offer customizable control settings?: The Source Audio Reflex allows for extensive customization, including setting the range and direction of the expression outputs, making it highly adaptable to various performance needs.

Videos

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The Reflex Universal Expression Controller: Demo Video

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NAMM 2015: Reflex Universal Expression Pedal from Source Audio

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Reflex Expression Pedal with Eventide H9

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Source Audio Reflex Universal Expression Controller

The Music & Sound Retailer

Reviews

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PROS

Wide range of expression outputs including MIDI, TRS, TS, and CV
Can modulate expression-enabled pedals with LFO
Simplifies access to presets via MIDI or USB
Compatible with various pedal switchers like ES-8
Offers control over multiple devices simultaneously
Allows storage of up to 100 configuration presets
Solid construction and well thought-through design
Exceptional customer support from Source Audio
Clear and comprehensive manual

CONS

Discontinued, making it hard to find
Plastic build feels light
User LFO not directly accessible
Can be fiddly to set up initially

Owner Insights

We analyzed real musician discussions from forums and Reddit to find what players love, question, and tweak about Source Audio Reflex Universal Expression.

Features and functionality

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The Reflex can send three expression signals, with switchable contacts for compatibility with TRS and TS inputs on various pedals.
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It supports sending both MIDI CC via 5-pin or USB and CV analog signals simultaneously, though it cannot convert incoming MIDI CC to CV.
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The pedal offers selectable tapers and 8 LFO wave shapes, allowing for extensive customization across its outputs.
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Users can program and save up to 128 different expression scenarios, controllable through external program change messages.
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Setup and maintenance

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Each expression out has its own set of dip switches, enabling easy adaptation to different pedal brands and input types.
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Use cases and applications

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It's particularly useful for setups with multiple high-end pedals like Strymon and Line 6, saving board space by replacing multiple expression pedals.
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