Pricing and availability

We compare 600+ stores and found this item at 9 stores. Prices updated .

Sweetwater
5.0 (2)
$449.99
Amazon
4.8 (14)
$449.99 New
$399.00 Used (Like New)
Reverb
5.0 (6)
$429.99 New
$350.00 Used
Thomann
4.7 (16)
$535.00 $533.00 $2.00

Average Price: $446

Standard/Professional

$150

$501+

Price Tier

Budget

Standard

High-end

Price History

Based on price data from 8 merchants for "Radial Engineering EXTC-STEREO". Prices shown reflect NEW condition. Tracking began Apr 2, 2026.

* 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

The Radial Engineering EXTC-STEREO is your gateway to unlocking new sonic dimensions in the studio. Designed for musicians and producers seeking to infuse their recordings with the unique character of stereo guitar effects, this versatile interface lets you connect your favorite pedals directly to professional audio equipment. Whether you're looking to add depth with a lush reverb, create spatial dynamics with a ping-pong delay, or breathe life into a stale track with a chorus effect, the EXTC-STEREO delivers with precision and clarity.

The EXTC-STEREO's robust design features a steel chassis for enduring performance, ensuring it withstands the rigors of active studio environments. With its intuitive front-panel controls, including separate Send & Receive knobs, you can effortlessly optimize gain staging and achieve the perfect blend of effects. Its flexible I/O options, including both Jack/XLR combo inputs and outputs, make it adaptable to various setups, while the transformer-isolated sends ensure pristine audio quality free from ground loops.

Whether you're a mixing engineer searching for that elusive creative edge or a guitarist wishing to explore new textures, the Radial EXTC-STEREO empowers you to harness the full potential of your pedal collection. Transform ordinary tracks into extraordinary masterpieces and expand your creative palette with this essential studio tool.

Key Features:

  • Connects stereo guitar pedals to balanced recording gear
  • Front panel 1/4″ inputs and outputs for easy access
  • Separate Send & Receive controls for optimized gain staging
  • Transformer-isolated sends to eliminate ground loops
  • Steel chassis for robust durability
  • Frequency range: 20 - 20000 Hz
  • Includes 15 V DC power supply

Owner's manual

Radial Engineering EXTC-STEREO User Manual

Product specs

Type Active
Channels 2
Polarity Switch Yes
Inputs 2 x XLR/1/4" TRS combo, 2 x 1/4" TS (receive)
Outputs 2 x 1/4" TRS, 2 x XLR, 2 x 1/4" TS (send)
Power Source 15V power supply (included)
Height 1.98"
Depth 4.81"
Width 5.84"
Weight 2.71 lbs.

FAQs

What is the primary use of the Radial Engineering EXTC-Stereo?

The Radial Engineering EXTC-Stereo is designed to integrate guitar effects pedals into a studio recording setup, allowing you to re-amp tracks and apply effects to any recorded audio.

Can the Radial EXTC Stereo be used with both mono and stereo effects?

Yes, the Radial EXTC Stereo is capable of handling both mono and stereo effects, providing flexibility in how you incorporate effects into your recordings.

Does the Radial Engineering EXTC-Stereo require an external power supply?

Yes, the Radial Engineering EXTC-Stereo requires a 15V power supply, which is included with the unit.

What types of inputs and outputs does the Radial EXTC Stereo offer?

The Radial EXTC Stereo features 2 x XLR/1/4" TRS combo inputs, 2 x 1/4" TS receive inputs, 2 x 1/4" TRS outputs, 2 x XLR outputs, and 2 x 1/4" TS send outputs, providing versatile connectivity options.

Is the Radial Engineering EXTC-Stereo suitable for live performance use?

While primarily designed for studio use, the Radial Engineering EXTC-Stereo can also be used in live settings to incorporate studio-quality effects into your performance.

Produce Like A Pro

Produce Like A Pro

Using Your Guitar Pedals to Mix? Radial EXTC-Stereo

Video thumbnail for Using Your Guitar Pedals to Mix? Radial EXTC-Stereo by Produce Like A Pro

Using Your Guitar Pedals to Mix? Radial EXTC-Stereo

Produce Like A Pro

Produce Like A Pro

Video thumbnail for EXTC-Stereo - Stereo Guitar Effects Interface & Reamper by Radial Engineering

EXTC-Stereo - Stereo Guitar Effects Interface & Reamper

Radial Engineering

Radial Engineering

Video thumbnail for The Most Exciting Music Production Discovery | EXTC Stereo Effects Reamper by Stephen Beyer

The Most Exciting Music Production Discovery | EXTC Stereo Effects Reamper

Stephen Beyer

Stephen Beyer

Reviews

PROS

  • Integrates pedalboard with DAW for creative effects

  • Built extremely durable, like a tank

  • Provides plenty of gain and clean attenuation

  • Enables use of mono or stereo pedals for line signals

  • Offers limitless creative opportunities in studio settings

  • Simplifies gain staging and signal control in vocal chains

  • Easy setup with clear, enhanced sound quality

  • Non-slip rubber base for stable placement

  • No noise or coloration, maintaining signal integrity

  • Acts as a great reamper for versatility

CONS

  • Expensive, may be a significant investment

  • Requires dedicated space for wiring and pedal integration

Critic Reviews

Recording Magazine reviews the EXTC Stereo - Radial Engineering

radialeng.com

The Radial Engineering EXTC-Stereo is a game-changer for musicians looking to integrate effects pedals into their studio setups. It offers seamless reamping capabilities, ensuring stompboxes perform at their best by matching impedance and levels. The sturdy build and thoughtful design are a plus, while features like phase switching and wet/dry blending enhance versatility. However, the lack of individual control for dual mono setups may limit some users. Overall, the EXTC-Stereo excels in simplifying workflow and expanding creative possibilities, making it a worthwhile investment for serious audio engineers.

positive

Mix Magazine Reviews the EXTC-Stereo - Radial Engineering

radialeng.com

The Radial Engineering EXTC-Stereo Reamp delivers impressive versatility, allowing musicians to easily integrate stereo effects into their recordings. Its robust build quality and user-friendly features, like the Blend and Invert Phase knobs, enhance its appeal. However, the front and back jacks can complicate desktop placement, potentially limiting usability in cramped spaces. Overall, this device is a solid addition for those looking to expand their sonic palette, despite minor practical drawbacks.

positive

Radial Engineering: EXTC-Stereo Effects Reamper | Tape Op Magazine | Longform candid interviews with music producers and audio engineers covering mixing, mastering, recording and music production.

tapeop.com

5.0 out of 5

Based on 0 Reviews and 2 Ratings

5 star
4 star
3 star
2 star
1 star

Genre Usage

Based on how artists on Equipboard use this gear, it is most commonly found in the following genres.

Used With

Based on how musicians on Equipboard use Radial Engineering EXTC-STEREO, it is most commonly used with the following gear.

Community setups

Show yours
ca138

ca138

Gear IQ 290

nicholas_spevak

nicholas_spevak

Gear IQ 1086

ca138

ca138

Gear IQ 290

More Radial Audio Interfaces

Audient iD4

$145.10 - $299.99

# 30

Rank

Sammy Virji Patrick Alavi Aakash Rajan
6 artists using

Accessories & Related Items

Artist usage

Similar

Gear Guides