Radial Relay Xo Balanced AB Signal Router

Retailing in the region of £299.00

On the menu for January 2026 are the Radial Engineering Guitar Pedals, freshly added and carefully selected. These New units are available to order online with fast, secure delivery from trusted UK retailers. Read on for full details, specifications, demos, videos, reviews, and the best places to buy the Radial Engineering Guitar Pedals today.


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Description

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On the menu for January 2026 are the Radial Engineering Guitar Pedals, freshly added and carefully selected. These New units are available to order online with fast, secure delivery from trusted UK retailers. Read on for full details, specifications, demos, videos, reviews, and the best places to buy the Radial Engineering Guitar Pedals today.

The Radial Relay Xo is a 1-in, 2-out balanced audio switcher designed to route the output of a microphone to two different audio inputs. This, for instance, enables a vocalist to switch his mic between the main PA system and the monitors so that he can discreetly communicate with other band members or the technical staff. This is of particular importance for artists that employ in-ear monitors. You can also use the Relay Xo to send the output of a microphone to two channels on the PA. The first channel could be set ‘dry’ to speak to the audience between sets, while the second channel could be set ‘wet’ with reverb and echo to enhance the voice. This enables the vocalist to control effects and deliver a more professional performance.

The Relay Xo features a balanced XLR input and two balanced XLR outputs. The audio signal path is completely passive ‘pure wire’. There are no transformers or electronic buffers inside that could introduce distortion or color the tone. Instead, the Relay Xo employs military-grade gold-contact sealed relays to do the switching. This makes the Relay Xo equally suitable with mic and line level signals.

Switching may be done using the side-access pushbutton switch or by remote control via the XLR and 1/4″ input jacks using either the Radial JR1-L latching or JR1-M momentary footswitch. A remote link enables multiple Relay Xo’s to be used in tandem.

The Radial Relay… a powerful switcher that is easy to use!

Specifications

Specifications    

  • Audio circuit type:  Remotely controlled mechanical relay
  • Frequency response:  10Hz ~ 100kHz
  • Total harmonic distortion:  <0.0005%
  • Dynamic range:  >140dB
  • Input impedance:  Source dependent
  • Output impedance:  Source dependent
  • Common mode rejection:  -106dB
  • Maximum input:  +26dBu
  • Phase shift:  <1 degrees at all frequencies
  • Gain:  0dB
  • Noise floor:  -115dBu
  • Intermodulation distortion:  0.001%

Features    

  • Controls: None
  • Switches:  A/B switch, ground lift
  • Ground lift:  XLR Output B only
  • Audio connectors:  XLR-F input, (2) XLR-M outputs
  • XLR configuration:  AES standard pin-1 ground, pin-2 (+), pin-3 (-)
  • Remote connectors: Combo (XLR-F & 1/4″ ), 1/4″ loop-through
  • Contact closure function: With 1/4″ TRS jack, short tip and ground to switch
  • With XLR, short pin-1 ground and pin-2 Hot to switch

General    

  • Construction:  14 gauge steel with internal I-beam
  • Finish: Durable powder coat
  • Size: (L x W x D) 5″ x 3.3″ x 1.8″ (127mm x 84.1mm x 45.5mm)
  • Weight:  1.4 lbs (635 grams)
  • Shipping size: (L x W x D): 6.5″ x 4″ x 3″ (165mm x 102mm x 76mm)
  • Shipping weight: 2.4lbs (1088.6 grams)
  • Power: 15VDC, 30mA, center-pin (+)
  • Conditions: For use in dry locations only between 5 degreesC and 40 degreesC
  • Warranty:  Radial 3-year, transferable

Additional information

Weight 10 kg

Brand

Radial Engineering

Radial Engineering produce rugged, professional-grade audio tools trusted by musicians, engineers, and touring crews worldwide. Their range includes high-quality DI boxes, switchers, reamp devices, and signal-management solutions built to deliver clean, reliable performance in any setup. Known for durability and transparent sound, Radial gear is ideal for players who need dependable routing, noise-free operation, and rock-solid reliability on stage and in the studio.

Category

Guitar Pedals

Tags

Delay

A delay pedal records your signal and plays it back after a set time, creating echoes that can range from tight, slapback repeats to long, atmospheric trails. It’s one of the most versatile effects, used to thicken tones, add rhythmic depth, or build spacious, ambient layers. Analogue delays offer warm, decaying repeats that blend naturally with your tone, while digital units provide pristine echoes with precise control over time, feedback, and mix levels.

From classic rockabilly and tape-style echoes to modern looping and shimmer effects, delay pedals have become essential tools for shaping sound. They can make solos soar, rhythms pulse, or transform simple chord progressions into cinematic textures. Whether used subtly to add dimension or boldly to create soundscapes, a good delay pedal can completely redefine the feel and atmosphere of your music.

Distortion

Distortion pedals take your clean guitar signal and transform it into something bigger, bolder, and full of attitude. By clipping the waveform, they add sustain, bite, and aggression, creating that thick, compressed tone that’s powered rock music for decades. From the growling crunch of classic hard rock to the tight, saturated roar of modern metal, distortion is all about energy and presence. It gives every note weight and authority, pushing your amp to its limits and beyond.

There are countless flavours of distortion, each with its own texture and edge. Some sound smooth and creamy, others raw and gnarly like tearing fabric. It’s the sonic equivalent of turning up the heat until the sound cooks — rich, sizzling, and perfectly seasoned to taste. Whether used for rhythm muscle or soaring leads, a good distortion pedal doesn’t just add volume; it adds personality, grit, and that unmistakable sense of power under your fingers.

New

This is brand new, fresh in, and a UK warranty is included. New Gear always comes from trusted UK music retailers.

Reverb

A reverb pedal is like the rich sauce that ties every flavour on the plate into one smooth experience. It adds depth, warmth, and atmosphere — the sonic equivalent of a perfectly reduced glaze that lingers on the tongue. Whether you’re after the subtle ambience of a cosy café (spring or plate reverb) or the grand echoes of a cathedral (hall or shimmer reverb), this is where your tone breathes and expands. A touch of reverb can turn a dry sound into something lush and inviting — but pour on too much, and it’s all you can taste. Used with finesse, it’s the finishing touch that transforms your tone from plain to unforgettable.

Switcher

Switcher refers to a guitar pedal or pedalboard unit that allows multiple pedals or signal paths to be controlled from a single device. A switcher can turn several pedals on or off at once, change signal order, or recall preset combinations, helping players manage complex pedal setups cleanly and reliably, especially in live situations.

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