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Precision Tools for Audio Professionals

Audibox ISO Balancer DI

Model Options


Dual Channel unit only


  • Any consumer-to-pro interfacing
  • Corporate AV use
  • Computer interfacing
Passive unit - no power required

More Audiboxes:

Blue DI

(USB Plus Analog)

(USB Plus Analog)




ISO Balancer
ISO Balancer-VC

ISO Balancer DI

ISO De-Balancer
ISO Later
ISO Splitter
ISO Combiner
ISO Switcher
ISO Selector

Remote Switcher
Remote Selector

Q Switch

Pro DI
Ear Driver

DI-Plus RC
DI-Plus2 RC

Audibox ISO Balancer DI

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.

Available in Dual Channel format only

Precision engineered
Most of the Audibox range share a common footprint and manufacturing platform. Offset lid screws enable close side-by-side mounting of multiple units.

Click on image at Right to see larger version


Hand Made in Australia
T E C H N I C A L || S P E C I F I C A T I O N S

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 blue polyurethane coated chassis, fibreglass PCB

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

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