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Description
The black DDB-BN2ML 2 x 2 Wall-Mounted Bi-Directional Mic/Line Dante Interface from RDL is a complete wall-mounted Dante audio network interface. It features one XLR mic or line input and one mono-summed mini-jack line input on the front panels, plus two line outputs on a rear-panel detachable terminal block. Special software is not required to configure the DDB-BN2ML. The 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. The mini-jack input accepts mono or stereo unbalanced line-level sources that are summed to mono. Each rear-panel output provides a switch to set the output to balanced professional or unbalanced consumer level.
The DDB-BN2ML 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 XLR input is converted to feed one 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 mini-jack left and right inputs are summed to mono to feed one Dante network transmit channel. This input provides a network digital audio level of -20 dBFS for an unbalanced -10 dBV input.
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 DDB-BN2ML. AMS audio connectors include RCA, mini, and XLR jacks. The output plate may be located together with the DDB-BN2ML 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 DDB-BN2ML 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
- XLR and mini-jack front panel inputs and outputs on rear panel terminal block
- Converts one mic or line and one consumer line audio source to Dante network channels
- Converts two Dante network audio signals to line level
- Special software not required for module setup
- XLR input is switch selectable for mic or line
- Switch-selectable mic gain: 40, 48, or 62 dB
- Switch-selectable 48 V mic phantom power (P48)
- Switch-selectable line gain: Unity, 12, or 19 dB
- Mini-jack -10 dBV input is summed to mono
- 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
| 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 |
| Microphone Inputs | |
|---|---|
| Inputs | 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) |
| Headroom | 20 dB |
| Line Inputs | |
|---|---|
| Input | Mini-jack stereo (left and right summed to mono) |
| Input Level | +4?dBu/-20?dBFS: -10?dBV nominal Maximum: +10?dBV |
| Input Impedance | > 50 kOhms |
| Frequency Response | 20 Hz to 20 kHz (±0.2?dB) |
| Noise | Below -20?dBFS (20 to 20 kHz): < -85?dB |
| THD+N | < 0.05% (20 Hz to 20 kHz, +4 dBu/-20 dBFS) 0.01% at 1 kHz (typ) |
| Headroom | 20 dB |
| 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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Bulk Discount
| Quantity | Price |
| 2 | ₹ 102831.4 |
| 3-5 | ₹ 101782.1 |
| 5-10 | ₹ 99683.5 |
| 10+ | ₹ 97584.9 |
Bulk discount will be automatically applied during checkout based on quantity.