ART CleanBOX Pro Two Way Stereo Converter


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  • The CLEANBoxPro provides two channels of unbalanced to balanced level conversion and two channels of balanced to unbalanced level conversion in a rugged, compact, and portable unit. Balanced lines offer increased immunity to external electrical noise, such as hum. Since a balanced system minimizes induced noise, it is the preferred method of connecting audio gear, especially when long lengths of cable are used. 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.


    • XLR connectors for balanced inputs and outputs
    • RCA phono jacks and stereo 1/8" mini-phone jacks for unbalanced inputs and outputs
    • Unbalanced output level control
    • Balanced output level control
    • Rugged extruded aluminum case
    • Lighted On/Off switch
    • Comes with external power supply for operation with AC mains
    • Low noise, low distortion circuitry

    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. The CLEANBoxPro can be an invaluable tool in application areas including (but not limited to!): home or professional recording studios, live sound, PA, permanent installs, DJ, AV, consumer HiFi, podcasting and broadcasting. The CLEANBoxPro can be used with: mixers, audio processors, laptop computers, computer sound cards, CD/DVD players, video gaming machines, MP3 player/recorders, powered monitors and digital audio workstations.

  • Signal to Noise Ratio> 90 dB
    Frequency Response20Hz to 20kHz, +/-1 dB
    Input ImpedanceBalanced - 100 Ohms; Unbalanced - 300 Ohms
    Maximum GainBalanced to Unbalanced: -6 dB; Unbalanced to Balanced: +21 dB
    Maximum Input Level+21 dBu
    Maximum Output LevelBalanced: +21dBu; Unbalanced: +15dBu
    Output ImpedanceBalanced: 100 Ohms; Unbalanced: 300 Ohms
    Power Requirements7.5-12 V AC/DC, <150 mA
    Total Harmonic Distortion<0.1% @ 1 kHz
    Dimensions1.85"D x 4.6"W x 4.3" H (47mm x 117mm x 109mm)
    Weight1.10 lbs (0.50 kg)
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