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Precision Tools for Audio Professionals

Blue DI Wireless Media Active Direct Box


The Professional wireless audio interface for SmartPhones and Tablets

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Click Here for the Blue DI Application Notes


Phantom or 12VDC power

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

Blue DI Wireless Direct Box

Smart Phones and Tablets have rapidly become the audio source of choice for Corporate A.V Presentations, Seminars, System Demonstrations and Testing, Musicians, D.Js and many other audio system users.

Designed by the ARX Engineering team to fill the market niche for a wireless Active Direct Box interface, the new Blue DI connects today's (and tomorrow's) SmartPhones, Tablets and similar devices, to the Balanced Line Level Pro Audio world.

Simply place your wireless enabled SmartPhone, PC or tablet near the Blue DI, scan for 'ARX Blue DI', and then pair with it. Pull up a music file, press PLAY, and that's all there is to it!

Ultra low noise and distortion circuitry, plus electronically Balanced XLR outputs complete the Blue DI package.


  • Muliple power options - Phantom Power and12 V DC
  • Wireless connection - allows many portable media devices to still charge while playing
  • Electronically Balanced Outputs with 200 Ohms output impedance lets you drive long cable runs without signal loss
  • Ultra low distortion (.01% @ 0dB out) circuitry, with a Frequency Response of 20 Hz to 20 KHz ±1dB
  • The Blue DI is fitted into a Heavy duty all-steel chassis finished in attractive textured blue polyurethane, with hardwearing epoxy screen printing and slip resistant rubber base pad
  • Optional bracket kit for under-table mounting.

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


T E C H N I C A L || S P E C I F I C A T I O N S

Analog Specifications

Gain: Nominally unity with source device

Outputs: Stereo Balanced - 200 Ohms output impedance

Pin 1 Ground

Pin 2 + Signal

Pin 3 – Signal

Power Requirements

+48VDC Phantom Power - Please Note that both Left and Right XLR outputs must have 48 VDC Phantom applied

+12VDC socket for External 'Wall Wart' power supply

Receiver Specifications


Approx 12 metres

LED Indicators:

Scan Red LED

Red LED Flashes

Lock Blue LED

Matching/Pairing: Blue LED Flashes

Matched/Paired: Blue LED On


2.402 - 2.480 GHz


-90dBM @0.1% BER

Construction              All-steel polyurethane coated chassis, fibreglass PCB

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