DI Box

DI Box
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Availability: In Stock
Model: ISO Balancer DI
Manufacturer: ARX
Average Rating: Not Rated


ARX - Audibox ISO Balancer DI

Dual channel unbalanced to balanced line converter with Mono switch, plus Jack, RCA and Mini-Jack inputs



The Iso Balancer DI converts Unbalanced Audio signals to Balanced, Low Impedance signals suitable for use with professional equipment and long cable runs.


Transformer Ground isolation provides low-noise operation suitable for any application, preventing ground loops and other extraneous noise.


The Iso Balancer DI features industry standard 6.5mm Jack, RCA and 3.5mm Jack inputs to cover all plug types, and transformer balanced Left and Right XLR outputs.


As an added feature, for those applications including Corporate AV and Computer interfacing the Iso Balancer DI also features a Mono'ing switch allowing Stereo signals to be easily mono'd.


The heavy duty all-steel chassis is finished in attractive matt textured blue powdercoat, with hardwearing epoxy screen printing and a large slip resistant rubber pad underneath.


The Iso Balancer DI is a totally passive device with no power requirements, making it a truly universal problem solver.


Security features include Kensington®-type computer lock slot and optional bracket kit for under-table mounting.

Passive unit - no power required.

Available in Dual Channel format only. Hand Made in Austraia.





  • Any consumer-to-pro interfacing
  • Corporate AV use
  • Computer interfacing






Input Impedance 10K Ohms Unbalanced


Output Impedance 10K Ohms Balanced


Input Level (max) +12dB


Frequency Response 20Hz - 20 KHz ± 0.5dB


Distortion 0.05% Maximum THD, 0dB 1KHz


Insertion Loss 0.75dB @ 1 KHz (600 Ohm load)


Insertion Loss - Mono Switch in –4dB


Input Connectors Stereo RCA connectors, plus

6.5mm Mono Jacks (Left & Right) Sleeve - Ground, Tip + signal

3.5mm Stereo Jack wired Tip - Left, Ring - Right, Sleeve - Ground / Earth


Output Connectors 3 pin Amphenol male XLR, wired Pin 1 Ground, Pin 2 + Hot, Pin 3 - Cold.


Construction All-steel powdercoated chassis, fibreglass PCB


Input and Output grounds have both resistive and capacitive coupling for RFI suppression.

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DI Box
Click to enlarge