RDL DD-RN42 4 x 2 Bi-Directional Mic/Line Dante Interface

The DD-RN42 is a complete wall-mounted Dante audio network interface. It features two XLR mic or line inputs on the front panels, two balanced line inputs on a rear-panel detachable terminal block and two balanced line outputs on front-panel XLR jacks. The module is configured and adjusted using RDL CONSOLE or other network control software. The DD-RN42 fits a standard US dual-gang electrical box or an RDL WB-2 back box for installations in thinner European or equivalent walls. The DD-RN42 is PoE powered, and is available in multiple finishes with optional customized graphics.

Mic/Line to Network Section
The two XLR inputs are each converted to a separate Dante network transmit channel. Three gain settings are software-selectable for both the mic and line input ranges to match condenser or dynamic mic levels and standard line levels. P48 phantom voltage may be software enabled when an input is set for mic level.

Line to Network Section
The two rear-panel balanced or unbalanced inputs are each converted to a separate Dante network transmit channel. Control software sets the gain for an input level of either +4 dBu or -10 dBV. RDL Decora-style jack plates matching the appearance of the DD-RN42 are optionally available for connection of various audio sources to the rear-panel inputs. An input plate may be located together with the DD-RN42 in a triple gang box or may be mounted remotely in a single box.

Network to Line Section
Two Dante audio channels are converted to balanced line level feeding front-panel XLR jacks. Each output provides +4 dBu balanced for a network digital audio level of -18 dBFS. Each output is equipped with a software-controlled attenuator adjustable in 1 dB steps to a maximum attenuation of 62 dB then OFF. The outputs are connected through a detachable terminal block.

Valid PoE power and synchronization to the Dante network are indicated by green LEDs visible from the front of the unit.

The DD-RN42 is a professional grade product with RDL mic preamplifiers for studio quality fidelity and low noise performance, coupled through XLR jacks housed in a steel chassis with dual powder-coated or stainless-steel Decora front plates.

The DD-RN42’s superior performance specifications make it ideally suited to installations requiring network control and exceptional value in commercial networked audio systems. This full-featured product is engineered and manufactured in the U.S.A for continuous duty in demanding installations. Designed to outperform. Built-to-last.

Key Features

• Dante Network Interface for Four Audio Inputs and Two Audio Outputs
• Two Inputs and Outputs on XLR Jacks on Front Panels
• Two Inputs on Rear Panel Detachable Terminal Block
• Module is Configured and Adjusted Using Network Control Software
• Converts Two Standard Mic or Line Audio Sources to Dante Network Channels
• Each Input Gain is Selected by Software
• Mic Gain: 35 dB, 42 dB or 59 dB
• Line Gain: Unity or 12 dB
• 48 V Mic Phantom (P48) Selected by Software
• Converts Two Dante Network Audio Signals to Line Level
• Each Output Equipped with Software Controlled Attenuator in 1 dB Steps
• Studio Quality, Low-Noise Performance
• High Resolution 24 Bit Analog to Digital and Digital to Analog Conversion
• Legendary RDL Analog Filtering Enhances Superb Audio Performance

Technical Specifications

Network Connector
RJ45 with Link and Speed indicators
Digital Audio Ethernet Protocol
Dante
Transmission Rate
100 Mbps
Sample Rates Supported
44.1 kHz, 48 kHz (default)
Bit Depth Supported
24 bits
Audio Operating Level
-18 dBFS = +4 dBu
Reference Level
0 dBFS = +22 dBu
Inputs (2)
XLR (female)
Gain
Mic: 35 dB (LOW), 42 dB (MED), 59 dB (HIGH); Line: Unity (NORM), 12 dB (HIGH)
Input Level (for +4 dBu/-18 dBFS)
Mic: -31 dBu (LOW), -38 dBu (MED), -55 dBu (HIGH); Line: +4 dBu (LOW), -8 dBu (HIGH)
Input Level (maximum)
Mic: -14 dBu (LOW), -21 dBu (MED), -38 dBu (HIGH); Line: +23 dBu (LOW), +10 dBu (HIGH)
Input Impedance
> 1.2 k
Phantom Power
P48, 48 Vdc, software-selectable
Standard for Phantom
IEC 61938: 2013
Selectors per input (2)
Phantom, Gain, software-selectable
Frequency Response
20 Hz to 20 kHz (Ý 0.5 dB)
Equivalent Input Noise
< -128 dBu (59 dB gain); < -130 dBu A-Weighted
Noise below -18 dBFS (20 to 20 kHz)
Mic: < -88 dB (LOW), < -82 dB (MED), < -68 dB (HIGH); Line: < -88 dB (NORM), < -88 dB (HIGH)
THD+N
< 0.1% (20 Hz to 20 kHz, +4 dBu/-18 dBFS)
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, max. mic gain)
Inputs (2)
Balanced, detachable terminal block
Gain
Unity (NORM), 12 dB (HIGH)
Input Level (for +4 dBu/-18 dBFS)
+4 dBu (NORM), -8 dBu (HIGH)
Input Level (maximum)
+23 dBu (NORM), +10 dBu (HI)
Input Impedance
> 1.2 kSelector per input: Gain, software-selectable
Frequency Response
20 Hz to 20 kHz (Ý 0.5 dB)
Noise below -18 dBFS (20 to 20 kHz)
< -88 dB
THD+N
< 0.1% (20 Hz to 20 kHz, +4 dBu/-18 dBFS)
CMRR
> 65 dB (50 Hz to 120 Hz)
Outputs (2)
XLR (male)
Output Level (operating)
+4 dBu (nominal) balanced, software adjustable in 1 dB steps
Output Level (maximum)
+22 dBu balanced
Output Attenuation
0 to 62 dB plus OFF (each output)
Output Impedance
150 balanced
Frequency Response
20 Hz to 20 kHz (Ý 0.5 dB)
THD+N
< 0.1%
THD
< 0.01% (1 kHz)
Noise
< -80 dB (below +4 dBu or -10 dBV)
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 (4)
Ethernet Link and Speed (2, rear panel); Sync and Power (2, front panel)
Ambient Operating Environment
0 Degrees C to 40 Degrees C; 30 Degrees C maximum recommended
Power Requirement
PoE Class 0, IEEE 802.3af
Specification Conditions
Gain/Level: Ý 1 dB; Source termination: 150; A to D values measured in digital domain
Dimensions
3.52” (8.94 cm) W; 4.11” (10.44 cm) H; 2.09” (5.31 cm) D
Package Type
Cardboard Box
Package Dimensions
3.625 x 4.625 x 2.125 in.
Shipping Weight
0.878 lbs.
WEEE weight
0.723 lbs.
Tariff code
8543.70.9100