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Radio Design Labs

Radio Design Labs DDS-BN31 Wall-Mounted Bi-Directional Mic/Line Dante Interface 4 x 4

£1,054.80inc. VAT
£879.00 ex. VAT
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Bought in the UK, backed in the UKWhy it matters →
  • Sourced through UK distribution
  • UK manufacturer warranty
  • UK-based engineers
  • No import duty or customs charges
  • GBP pricing, UK VAT invoices
Return within 14 days
Installation services availablePurchase orders: education customers only
7 Years Warranty Included
Key specifications
Network ConnectorRJ45 with Link and Speed indicators
Digital Audio Ethernet ProtocolDante
Transmission Rate100 Mbps
Sample Rates Supported44.1 kHz, 48 kHz (default)
Bit Depth Supported24 bits
Audio Operating Level-20 dBFS = +4 dBu
Reference Level0 dBFS = +24 dBu
Inputs (2)Mini-jack Stereo (2, L and R)
All 25 specifications

Description

The DDS-BN31 is a complete wall-mounted Dante audio network interface. It features two XLR mic or line inputs, one stereo Mini-jack line input and one stereo Mini-jack line output on the front panels, plus two line outputs on a rear-panel detachable terminal block. Special software is not required to configure the DDS-BN31. Each XLR input provides three switches that may be set from the front of the unit when the cover plate is not installed. One switch enables or disables P48 phantom for that input; the second switch selects the mic or line gain range; the third switch sets the gain. The Mini-jack input provides a switch to configure the input for stereo or summed mono. The Mini-jack output provides a switch to configure the output for stereo or left-channel mono. Each rear-panel output provides a switch to set the output to balanced professional or unbalanced consumer level. The DDS-BN31 fits a standard US dual-gang electrical box or an RDL WB-2 back box for installations in thinner European or equivalent walls. The DDS-BN31 is PoE powered, and is available in multiple finishes 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 Mini-jack left and right inputs are each converted to a separate Dante network transmit channel. Each input provides a network digital audio level of -20 dBFS for an unbalanced -10 dBV input. The input is equipped with a selector to sum the left and right Mini-jack inputs. The summed signal feeds both Dante transmit channels.

Two Dante audio channels are converted to unbalanced line level to feed the front-panel Mini-jack. Each channel provides -10 dBV unbalanced for a network digital audio level of -20 dBFS. The left and right Mini-jack channels are normally fed from Dante receive channels 3 and 4 (stereo). The Mini-jack output is equipped with a selector to feed both output channels from Dante receive channel 3 (mono). This selector may be set from the front of the unit when the cover plate is not installed.

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 DDS-BN31. AMS audio connectors include RCA, Mini and XLR jacks. The output plate may be located together with the DDS-BN31 in a triple gang box or may be mounted remotely in a single box.

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

The DDS-BN31 is a professional grade product with 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 or stainless steel Decora front plates.

The DDS-BN31’s superior performance specifications make it ideally suited to the most demanding installations, and an 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 Four Audio Outputs

• One Mini-jack and Two XLR Front-Panel Inputs

• One Mini-jack Front-Panel Output; Two Outputs on Rear-Panel Terminal Block

• Converts Two Standard XLR Mic or Line Audio Sources to Dante Network Channels

• Each XLR Input is Switch Selectable for Mic or Line

• Switch-Selectable Mic Gain: 40 dB, 48 dB or 62 dB

• Switch-Selectable 48 V Mic Phantom (P48)

• Switch-Selectable Line Gain: Unity, 12 dB or 19 dB

• Mini-jack -10 dBV Input is Switch Selectable Stereo or Summed to Mono

• Converts Four Dante Network Audio Signals to Line Level

• Mini-jack -10 dBV Output is Switch Selectable Stereo or Mono (Left Channel)

• Rear Panel Outputs Switch Selectable Balanced +4 dBu or Unbalanced -10 dBV

• Special Software Not Required for Module Setup

• 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

Manufacturer part number DDS-BN31.

Call 020 3815 8642

Key features

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

-20 dBFS = +4 dBu

Reference Level

0 dBFS = +24 dBu

Inputs (2)

Mini-jack Stereo (2, L and R)

Technical specifications

Choose a section to view its specifications.

Connectivity (12)
Network Connector
RJ45 with Link and Speed indicators
Digital Audio Ethernet Protocol
Dante
Sample Rates Supported
44.1 kHz, 48 kHz (default)
Bit Depth Supported
24 bits
Inputs (2)
Mini-jack Stereo (2, L and R)
Input Level (for +4 dBu/-20 dBFS)
-10 dBV nominal
Input Level (maximum)
+10 dBV
Input Impedance
> 50 kΩ
Selectors per input (3)
Phantom, Mic/Line, Gain
Equivalent Input Noise
-130 dBu (62 dB gain); -132 dBu A-Weighted
Outputs (4)
Balanced, detachable terminal block (2); Unbalanced, Mini-jack (2, L and R)
Output Level (operating)
+4 dBu (nominal) balanced; -10 dBV unbalanced
Audio (1)
Audio Operating Level
-20 dBFS = +4 dBu
General (12)
Transmission Rate
100 Mbps
Reference Level
0 dBFS = +24 dBu
Gain
Mic: 40 dB (LO), 48 dB (MED), 62 dB (HI); Line: Unity (LO), 8 dB (MED), 19 dB (HI)
Phantom Power
P48, 48 Vdc, switch-selectable
Standard for Phantom
IEC 61938: 2013
Frequency Response
20 Hz to 20 kHz (± 0.5 dB)
Noise below -20 dBFS (20 to 20 kHz)
< -85 dB
THD+N
< 0.1%
CMRR
> 65 dB (50 Hz to 120 Hz)
Crosstalk
Below Noise Floor (1 kHz); < -60 dB (bal., 20 Hz to 20 kHz); < -80 dB (unbal., 1 kHz), < -70 dB (unbal., 20 Hz to 20 kHz)
Headroom
20 dB
Selectors
Stereo (L and R)/Mono (summed)
Call 020 3815 8642

Documents

Delivery & returns

Estimated delivery 24 Oct - 28 Oct. UK mainland delivery only. Some large or made-to-order items carry longer lead times, shown on the product page.

Unused items in original packaging can be returned within 14 days of delivery — see the returns policy for how business and consumer returns differ. Faulty items are covered under manufacturer warranty and by your statutory rights.

Full delivery & returns policy

Bought in the UK, backed in the UK

  • This item is sourced through UK distribution and ships to you from within the UK, so the order never crosses a customs border.

  • The manufacturer warranty is honoured here in the UK. If something fails, you deal with us, not with an overseas seller in another time zone.

  • Our own UK-based engineers install, commission and support what we sell, and can attend site when a system needs hands on it.

  • Delivered within the UK mainland, so there is no import duty, customs charge or courier handling fee waiting for you on delivery.

  • Prices are in pounds sterling with proper UK VAT invoices, and purchase orders are accepted from approved education accounts: no currency conversion and no surprises at the door.

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Payment & security

Pay securely by card. Education customers can apply for a 30-day purchase order account.

Schools, colleges, sixth forms, universities and multi-academy trusts can order on invoice, with no card payment required. Purchase orders and credit terms are for education customers only.

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About: Radio Design Labs DDS-BN31 Wall-Mounted Bi-Directional Mic/Line Dante Interface 4 x 4

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