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Rapco Horizon ISOBLOX Compact Signal Isolator  

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  • Allows signal and ground isolation
  • Retains a 600ohm load and source impedance
  • XLR female input
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Rapco Horizon

Allows signal and ground isolation while retaining a 600 ohm load and source impedance.

The Rapco Horizon ISOBLOX is a compact 600 ohm to 600 ohm in-line transformer isolation module with XLR (male) to XLR (female) connectors. It effectively isolates 60-cycle hums and other outside noise that can be caused by older electrical systems, or when interfacing equipment together that is located in separate areas. The ISOBLOX line isolator also reduces the chance of the guitarist who sings of getting shocked from an isolated mic signal.

  • Allows signal and ground isolation
  • Retains a 600ohm load and source impedance
  • XLR female input
  • XLR male output

Get the audio solution you need.

Customer Reviews

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by PowerReviews
Rapco HorizonISOBLOX Compact Signal Isolator

(based on 1 review)

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Reviewed by 1 customer

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Works Like a charm

By bullit98

from Dallas, TX

About Me Experienced


  • Clear Sound
  • Easy To Use


    Best Uses

    • Performances

    Comments about Rapco Horizon ISOBLOX Compact Signal Isolator:

    I had been dealing with a ground loop hum in my in-ear monitoring gig after gig until the sound man at one of the venues installed this little device into the line coming out of my in-ear rack...and wow....what a difference. it totally eliminated the annoying buzz in my ear that i could barely sing over. It was an amazing difference. I always keep it with me installed in the line out from the rack system to the stage monitor mixer board. Works every time.

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