Attero Tech unDIO2X2 Plus Dante 2 In / 2 Out I/O Interface


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Dale #:ATTE-90000199U

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  • The unDIO2x2+ I/O Interface is a 2 in / 2 out, cost-effective way to add up to two channels (in and out) of Dante audio to any Dantebased networked audio system. The unDIO2x2+’s small form factor and PoE power capability make it easy to put Dante connectivity wherever it’s needed - near the audio source or sink thereby eliminating costly and interference prone analog wiring. The unDIO2x2+ is an upgrade of the earlier unDIO2x2, and adds several features including true +48V phantom power, maximum input and output levels of +20dBu, added input gain settings, and full output level control.


    • Small form factor, can be unobtrusively located near analog sources or sinks
    • Dual power (DC or PoE) means the unDIO2x2+ will work in systems with either standard or PoE Ethernet switches
    • Five input gains to accommodate common line levels, phantom power and dynamic mics
    • +48V phantom power per channel - powers virtually all types of phantom powered microphones typically used in installed AV systems
    • Analog output gains software adjustable between 0dB and -60dB plus mute to accommodate all types of line input audio equipment - both consumer and pro levels
    • Industry standard +20dBu maximum input levels (at 0dB input gain) and +20dBu maximum output levels
    • Full Dante system status LEDs on the front panel
  • Mic / Line Input Type

    Balanced and RF filtered 3-pin depluggable

    Phantom Power

    +48V, software selectable

    Mic / Line Gain

    -12dB (pad active), 0dB, +15dB, +30dB, +45dB, software selectable

    Input Impedance

    >1.8K ohms at any gain setting

    Equivalent Input Noise

    -119dBu (+45dB gain)

    Maximum Input Levels

    +20dBu @ 0dB gain (with pad active), +8dBu @ 0dB, -7dBu @ +15dB gain, -22dBu @ +30dB gain, -37dBu @ +45dB gain

    Output Type

    Balanced line level with automatic muting on loss of Dante signal

    Output Gain

    0dB to –60dB plus mute, software selectable

    Output Noise

    <-85dBu at 0dB gain

    Maximum Output Level +20dBu (at 0dB output gain)
    System THD <.05% at any gain, input signal 3dB below maximum
    PoE Class Class 0 802.3af PoE PD compliant
    Certifications FCC 47CFR Parts 15B and 18 (Class A), EN 55011, ICES-003, CE (EN55022 Class A and EN55024 Class A)
    Dimensions 1.06”H x 6.45”W x 3.45”D
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