2-Channel Unbalanced to Balanced Audio Line Level Converter Box

Our price:$139.00 GST

IN STOCK 4 (more can be backordered)

This is the ART CLEANBoxPro Two Channel Pro/Consumer Audio Line Level Converter

CleanBoxPro provides two channels of unbalanced to balanced audio level conversion and two channels of balanced to unbalanced audio level conversion in a rugged, compact, and portable unit. Balanced lines offer increased immunity to external electrical noise, such as hum and helps to minimise unwanted noise for longer cable runs.

One section of the CLEANBoxPro converts two channels of consumer-level unbalanced input signals into two channels of pro line-level balanced output signals. It has two RCA jack inputs and a stereo mini-phone jack input connected in parallel. The balanced output feeds two XLR male jacks.
The other section of the CLEANBoxPro converts two channels of line-level balanced input signals into two channels of consumer unbalanced output signals. It has two XLR female input jacks. The unbalanced output feeds two RCA jacks and a stereo mini-phone jack connected in parallel. Each section has stereo level controls to optimize signal levels. An LED indicator lights when power is applied.

CLEANBoxPro Applications: Home or professional recording studios, Live sound, PA, and permanent installs, DJ, AV, and consumer HiFi, Podcasting and broadcasting.

Check out the ART Pro Range here.

Key Features:

  • XLR connectors for balanced inputs and outputs
  • Stereo unbalanced output level control
  • Rugged extruded aluminum case
  • Comes with external power supply for operation with AC mains
  • RCA phono jacks and stereo 1/8″ mini-phone jacks for unbalanced inputs and outputs
  • Stereo balanced output level control


  • Frequency Response  20Hz to 20kHz, +/-1 dB
  • Total Harmonic Distortion  <0.1% @ 1 kHz
  • Signal to Noise Ratio  > 90 dB
  • Input Impedance  Balanced  – 20k Ω
  • Unbalanced  – 100 Ω
  • Maximum Gain  Balanced to Unbalanced  -6 dB
  • Unbalanced to Balanced  +21 dB
  • Maximum Input Level  +21 dBu
  • Maximum Output Level  Balanced +21dBu
  • Unbalanced +15dBu
  • Output Impedance  Balanced – 100 ) Omega)
  • Unbalanced  – 300 Ω
  • Power Requirements  7.5-12 V AC/DC, <150 mA
  • Dimensions  1.85″H x 4.6″W x 4.3″D (47mm x 117mm x 109mm)
  • Weight  1.10 lbs (0.50 kg)