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Everything In Music Since 1958
Everything In Music Since 1958

Radial Engineering Relay Xo Balanced Remote AB Switcher

Out of Stock
Original price $359.99
Original price $359.99 - Original price $359.99
Original price $359.99
Current price $299.99
$299.99 - $299.99
Current price $299.99
About Inventory Status


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In stock: It is in stock and available to ship or pickup. Apparel must be shipped from another location and is not available for in-store pickup. We can usually ship or have these items available for pickup by the next business day if they don't require inspection, special handling, or setup. Our pickup location is 11151 Veirs Mill Rd. Silver Spring, MD 20902.

📆 Preorder: It is on the way to our warehouse. We can't predict when preorder items will arrive due to current supply chain issues. If you place an order for one of these items someone will contact you to estimate the delivery date.

Out of stock: We don't currently have it available but you're not out of luck yet. We still may be able to get it. If you order one of these items we will contact you with an estimated fulfillment date. You have the option to cancel the order if you change your mind.

Special order: The item is so special that it needs to be custom ordered for you. Some of these items are works of art and have to be made individually. Orders for special order items must be prepaid and we cannot accept cancellations or refunds.

█ Sold out: We don't think we can get this item because it was either discontinued by the manufacturer or was limited in quantity. If you want or need this item call or text us. Sometimes we can help you track down the item through other sources or help you find something similar.

About Item Conditions


Questions?
Call or text us at 301-946-8808.

New: The item is brand new as received from the manufacturer with a full manufacturer warranty. Instruments such as guitars, snare drums, drum kits, brass and woodwind instruments may be opened for photography and quality control inspection and may not be in a factory sealed box.

Mint or Open Box: The item may have been opened and tested but has been repackaged. The original packaging may have superficial issues but the item itself and any originally included accessories are in perfect, like new condition.

Display Model: These items are so cool that we put them on display in our legendary shop. The condition is brand new as received from the manufacturer with manufacturer warranty. Rest assured, these items undergo a very careful inspection before shipping.

Demo: These items have been on our sales floor for demo purposes and will likely show signs of use. The original packaging may no longer be included, but you can be assured that you are receiving an awesome item and an awesome price.

Used: The item is used. These item may have varying degrees of wear. Please read the description for information about the condition of the item. Used items do not carry a warranty.

B or C Stock: Factory refurbished. These items were purchased from the manufacturer in a refurbished condition. They will show some cosmetic issues, but nothing that would impact performance. Being that these are sealed from the manufacturer, we generally do not open these to photograph the cosmetic issues. They are guaranteed to work and may have a limited warranty or you may purchase an extended warranty in some cases. Please see the listing description for item specific information.

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Pick Up The Perfect Switcher That's Powerful And Easy To Use - The Radial Engineering Relay Xo Balanced Remote AB Switcher

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 ¼" 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.



  • Switch vocal microphone from PA to intercom
  • Allows artist to speak with musicians and techs
  • Remote control using footswitch
  • Route any balanced signal to two destinations
  • JR1 REMOTE: Locking XLR and ¼” combo jack used to connect a remote switch. Use with footswitches, MIDI contact closures or the Radial JR1.
  • REMOTE LINK: Used to link the switching of additional Relay Xo units. Allows stereo and multichannel switching systems.
  • MIC/LINE INPUT: Balanced XLR input. The Relay Xo signal path is 100% passive. Audio signals will pass through unchanged without added noise or distortion.
  • OUTPUT-B: Alternate balanced XLR output. This output is active when the select switch is pressed inward or when a remote switch is closed. The B LED illuminates when the output is active. 5. OUTPUT-A: Main balanced XLR output. This output is active when the switch is in the outward position or when a remote switch is open. The A LED illuminates when the output is active.
  • CABLE CLAMP: Prevents accidental power disconnection by locking down the AC adapter cable.
  • POWER JACK: Connection for the included 15 volt (400mA) AC power adapter 8. FULL-BOTTOM NO-SLIP PAD: This provides electrical isolation and plenty of ‘stay-put’ friction to keep the Relay Xo in one place.
  • OUTPUT SELECT: This switch toggles the Relay Xo’s outputs. Two LED indicators display which output is active.
  • GROUND LIFT: Disconnects pin-1 (ground) on the input XLR jack to help reduce hum and buzz caused by ground loops.


  • 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° at all frequencies
  • Gain: 0dB
  • Noise floor: -115dBu 
  • Intermodulation distortion: 0.001%

GENERAL

  • Construction:14 gauge steel with internal I-beam
  • Finish: Durable powder coat
  • Conditions: For use in dry locations only between 40°F and 105°F

Manufacturer: Radial Engineering
Model: RELAY XO
SKU: I322019-N-0-WHXA
UPC: 676101041312


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Maryland, Virginia, and Washington DC's legendary music shop. Family-owned and operated since 1958. Buy gear the way it was meant to be bought, from a store that's been there through it all and has the vibe to prove it. We're staffed with musicians and industry experts, people that live and breathe music gear. Our mission is to help you find the right gear for your project, that thing that will bring you the most joy out of what you do. We're an authorized dealer for almost every brand, we stock items the other stores don't, so you can try before you buy. Stop by our Wheaton, MD showroom and see for yourself.

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