RDL DD-BN2M 2 x 2 Wall-Mounted Bi-Directional Mic/Line Dante Interface (White)

RDL DD-BN2M 2 x 2 Wall-Mounted Bi-Directional Mic/Line Dante Interface (White)

RDL DD-BN2M 2 x 2 Wall-Mounted Bi-Directional Mic/Line Dante Interface (White)

B&H # RDDDBN2M MFR # DD-BN2M
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Expected availability: 3-7 business days

This item is noncancelable and nonreturnable.

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RDL DD-BN2M overview

  • 1Description

The white DD-BN2M 2 x 2 Wall-Mounted Bi-Directional Mic/Line Dante Interface from RDL is a complete wall-mounted Dante audio network interface. It features two XLR mic or line inputs on the front panels, plus two line outputs on a rear-panel detachable terminal block. Special software is not required to configure the DD-BN2M. Each XLR input provides three switches that may be set from the front of the unit when the cover plate is not installed. The first switch enables or disables P48 phantom, second switch selects the mic or line gain range, and the third switch sets the gain. Each rear panel output provides a switch to set the output to balanced professional or unbalanced consumer level.

The DD-BN2M fits a standard US dual-gang electrical box or an RDL WB-2 back box for installations in thinner European or equivalent walls. It is PoE powered and is available with optional customized graphics.

The two XLR inputs are each converted to a separate Dante network transmit channel. Three gain settings are switch-selectable for both the mic and line input ranges to match condenser or dynamic mic levels and standard line levels. 

The two Dante audio channels are converted to balanced line level on the rear panel detachable terminal block. Each output provides +4 dBu balanced for a network digital audio level of -20 dBFS. Each output is equipped with a selector to unbalance the audio and attenuate the level to -10 dBV. These switches are located on the top of the chassis and are set by the installer prior to mounting the unit.

The rear panel outputs are intended for connection to RDL AMS connectors mounted in Decora-style plates that match the DD-BN2M. AMS audio connectors include RCA, mini, and XLR jacks. The output plate may be located together with the DD-BN2M in a triple gang box or may be mounted remotely in a single box.

The valid PoE power and synchronization to the Dante network are indicated by green LEDs visible from the front of the unit. The DD-BN2M features discrete mic preamplifiers for studio-quality fidelity and low-noise performance, coupled through metal XLR jacks housed in a stainless steel chassis with dual powder-coated Decora front plates.

Suitable for demanding applications and networked audio systems
Dante network interface for two audio inputs and two audio outputs
Inputs on front panel XLR jacks and outputs on rear panel terminal block
Converts two standard mic or line audio sources to Dante network channels
Converts two Dante network audio signals to line level
Special software not required for module setup
Each input is switch selectable for mic or line
Switch-selectable mic gain: 40, 48, or 62 dB
Switch-selectable 48 V Mic Phantom (P48)
Switch-selectable line gain: Unity, 12, or 19 dB
Each output is switch selectable for balanced +4 dBu or unbalanced -10 dBV
24-bit analog to digital and digital to analog conversion
RDL analog filtering for improved audio performance
Made in the USA
In the Box
RDL DD-BN2M 2 x 2 Wall-Mounted Bi-Directional Mic/Line Dante Interface (White)
  • Limited 3-Year Warranty
  • Table of Contents
    • 1Description

    RDL DD-BN2M specs

    Network Connectors RJ45 with link and speed indicators
    Ethernet Protocol Digital Audio: Dante
    Transmission Rate 100 Mb/s
    Sample Rates 44.1 kHz, 48 kHz (default)
    Bit Depth 24 bits
    Operating Level Audio Operating Level: -20 dBFS = +4 dBu
    Reference Level 0 dBFS = +24 dBu
    Line Inputs
    Inputs 2 x XLR (female)
    Gain Mic: 40 dB (Lo), 48 dB (Med), 62 dB (Hi)
    Line: Unity (Lo), 8 dB (Med), 19 dB (Hi)
    Input Level +4 dBu/-20 dBFS:
    Mic: -36 dBu (Lo), -44 dBu (Med), -58 dBu (Hi)
    Line: +4 dBu (Lo), -8 dBu (Med), -15 dBu (Hi)

    Maximum:
    Mic: -16 dBu (Lo), -24 dBu (Med), -38 dBu (Hi)
    Line: +24 dBu (Lo), +12 dBu (Med), +5 dBu (Hi)
    Input Impedance > 2.5 kOhms (Mic); > 5 kOhms (Line)
    Phantom Power P48, 48 VDC, switch-selectable
    Standard for Phantom: IEC 61938: 2013
    CAC Selectors Selectors per Input: Phantom, Mic/Line, Gain
    Frequency Response 20 Hz to 20 kHz (±0.5 dB)
    Equivalent Input Noise -130 dBu (62 dB gain)
    -132 dBu A-Weighted
    Noise Below -20 dBFS (20 to 20 kHz):
    Mic: < -72 dB (Lo), < -72 dB (Med), < -68 dB (Hi)
    Line: < -72 dB (Lo), < -72 dB (Med), < -70 dB (Hi)
    THD+N < 0.1% (20 Hz to 20 kHz, +4 dBu/-20 dBFS); 0.015% at 1 kHz (typ)
    CMRR > 65 dB (50 Hz to 120 Hz)
    Crosstalk Below noise floor (20 Hz to 20 kHz at operating level, any input to any input, maximum mic gain)
    Line Outputs
    Outputs Balanced, detachable terminal block
    Output Level Operating: +4 dBu (nominal) balanced, -10 dBV (nominal) unbalanced, switch-selectable
    Maximum: +24 dBu balanced, +10 dBV unbalanced
    Output Impedance 150 Ohms balanced
    2.5 kOhms unbalanced
    Frequency Response 20 Hz to 20 kHz (±0.5 dB)
    THD+N < 0.1%
     
    THD < 0.01% (1 kHz)
    Noise < -80 dB (below +4 dBu or -10 dBV)
    < -100 (below +24 dBu)
    Crosstalk Below noise floor (20 Hz to 20 kHz at operating level, output to output)
    Headroom Above +4 dBu or -10 dBV: 20 dB
    Indicators Ethernet Link and Speed (2, rear panel)
    Sync and Power (2, front panel)
    Operating Environment 32 to 104°F / 0 to 40°C
    86°F / 30°C maximum recommended
    Power Requirements PoE Class 0, IEEE 802.3af
    Environmental Conditions Gain/Level: ±1 dB
    Source Termination: 150 Ohms
    A to D values measured in digital domain
    Dimensions (W x H x D) 3.52 x 4.11 x 2.09" / 8.94 x 10.44 x 5.31 cm
    Weight Not specified by the manufacturer

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