4 x 2 Wall-Mounted Bi-Directional Mic/Line Dante Interface

Model: DDB-RN42

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

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Tech Specs

The DDB-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 DDB-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 DDB-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 DDB-RN42 are optionally available for connection of various audio sources to the rear-panel inputs. An input plate may be located together with the DDB-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 DDB-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 DDB-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 m

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

Audio Interface Type - Ethernet Audio
Dante Enabled - Yes

Depth: 53.09 mm
Height: 104.39 mm
Noise: < -88 dB (bal., below +4 dBu); < -106 (bal., below +22 dBu); < -90 dB (unbal., below -10 dBV)
Width: 89.41 mm
Certifications: CE, RoHS
Number of Inputs: 4
Number of Outputs: 2
Operating Temperature (Maximum): 40 C
Operating Temperature (Minimum): 0 C
Shipping Width (with packaging): 53.98 mm
Shipping Height (with packaging): 117.47 mm
Shipping Depth (with packaging): 92.08 mm
Shipping Weight: 0.40 kg
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 kOHMS
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 (± 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)
Outputs (2): Balanced, detachable terminal block
Output Level (operating): +4 dBu (nominal) balanced
Output Level (maximum): +22 dBu balanced
Output Impedance: 150 OHMS balanced
THD: < 0.01% (1 kHz)
Headroom above +4 dBu or -10 dBV: 20 dB
Indicators (4): Ethernet Link and Speed (2, rear panel); Sync and Power (2, front panel)
Power Requirement: PoE Class 0, IEEE 802.3af
Specification Conditions: Gain/Level: ± 1 dB; Source termination: 150 OHMS; A to D values measured in digital domain

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