Sonifex RB-PD2 Dual Channel Profanity Delay Unit Front Panel
Sonifex RB-PD2 Original price was: $ 4,144.74.Current price is: $ 3,852.45.
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Sonifex Monitor Stands
Sonifex Monitor Stands Original price was: $ 192.91.Current price is: $ 181.22.
Sonifex RB-DS2 Stereo Silence Detection Switcher Front Panel
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    Sonifex RB-DS2

    The Sonifex RB-DS2 is a stereo silence detection switcher featuring configurable thresholds, automatic switching, and relay alarm outputs—ideal for broadcast continuity.

    Original price was: $ 2,180.52.Current price is: $ 2,075.30.

    Download PDF Brochure
    SKU: 101521 Brand: Sonifex
    RB-DS2 Stereo Audio Delay Synchroniser
    Original price was: $ 2,180.52.Current price is: $ 2,075.30.
    RB-DS2R Remote Switch Panel For RB-DS2
    Original price was: $ 485.21.Current price is: $ 438.44.

    Sonifex RB-DS2 – Silence Detection Switcher with Alarm Outputs

    The Sonifex RB-DS2 is a high-performance stereo silence detection unit designed to monitor audio signals and trigger alarms or automatic switching when silence is detected. Perfect for broadcast chains, radio studios, and playout facilities, it ensures continuous audio output and rapid response to signal loss.

    Equipped with dual balanced XLR inputs and outputs, configurable thresholds, delay settings, and remote control capabilities, the RB-DS2 provides robust silence detection and switchover functionality—giving engineers confidence in uninterrupted on-air performance.

    ✅ Key Features

    • ✅ Dual stereo balanced analogue audio inputs and outputs

    • ✅ User-definable silence threshold and detection time

    • ✅ Auto-switching to secondary input or tone source on silence

    • ✅ Front panel LEDs for visual status indication

    • ✅ Relay outputs for external alarms or switching control

    • ✅ RS232 remote interface for system integration

    • ✅ Simple configuration via DIP switches or PC software

    • ✅ 1U rackmount design suitable for professional environments

    💬 Ensure consistent audio delivery with the Sonifex RB-DS2.
    Contact us today for product advice, system design help, or to request pricing for your project.

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    <table class="product-tab-table">
    <tbody>
    <tr>
    <td width="30%" class="product-tab-table-header">Maximum Sound Pressure Level</td>
    <td class="product-tab-table-cell">105 dB</td>
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    <td class="product-tab-table-header">Frequency Response</td>
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    <tr>
    <td class="product-tab-table-header"></td>
    <td class="product-tab-table-cell">45 Hz – 21 kHz (-3 dB)</td>
    </tr>
    <tr>
    <td class="product-tab-table-header">Crossover Frequency</td>
    <td class="product-tab-table-cell">3.0 kHz</td>
    </tr>
    <tr>
    <td class="product-tab-table-header">Driver Dimension</td>
    <td class="product-tab-table-cell">Bass 6.5 in + Treble 3/4 in</td>
    </tr>
    <tr>
    <td class="product-tab-table-header"></td>
    <td class="product-tab-table-cell">metal dome + DCW™</td>
    </tr>
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    <td class="product-tab-table-header">Amplifier Power</td>
    <td class="product-tab-table-cell">Bass 90 W + Treble 90 W</td>
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    <td class="product-tab-table-header">Dimensions</td>
    <td class="product-tab-table-cell">H x W x D 365 x 237 x 223 mm with Iso-Pod™</td>
    </tr>
    <tr>
    <td class="product-tab-table-header">Weight</td>
    <td class="product-tab-table-cell">8.6 Kg (18.9 lb)</td>
    </tr>
    <tr>
    <td class="product-tab-table-header">Connectors</td>
    <td class="product-tab-table-cell">1 x XLR analog in</td>
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    Sonifex RB-DD4 digital audio delay unit front panel

    Sonifex RB-DD4

    In stock

    Original price was: $ 2,238.98.Current price is: $ 2,075.30.
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    Weight 2 kg
    Dimensions 59 × 27.5 × 11 cm
    Product can be split into multiple boxes

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    specification

    Technical Specification For RB-DD4

    Audio Specification

    Dynamic Range:
    >138dB

    Distortion and Noise:
    <-137dB THD + N at 1kHz

    ,

    ref 0dB FS

    Input & Output Impedances:
    110Ω ±20% AES/EBU balanced I/O

    75Ω ±5% S/PDIF unbalanced I/O

    75Ω ±5% TOSlink unbalanced I/O

    50Ω BNC TTL word clock input

    Signal Level:
    Balanced: 3V/10V peak to peak min/max

    Unbalanced: Min 0.5V±20% peak to peak

    Sample Frequencies:
    32

    ,

    44.1

    ,

    48

    ,

    88.2

    ,

    96

    ,

    176.4 or 192kHz

    Bit Depth:
    Up to and including 24 bit

    Max Delay:
    8 secs per mono channel at 32kHz 1.33 secs per mono channel at 192kHz

    Frame Rates (Front Panel):
    23.98fps

    ,

    24fps

    ,

    25fps

    ,

    29.97fps

    ,

    30fps

    ,

    50fps

    ,

    59.94fps

    ,

    60fps

    Frame Rates (SCi Software):
    525/29.97

    ,

    625/25

    ,

    720/60p

    ,

    720/59.94p

    ,

    720/50p

    ,

    720/30p

    ,

    720/29.97p

    ,

    720/25p

    ,

    720/24p

    ,

    720/23.98p

    ,

    1035/60i

    ,

    1035/59.94i

    ,

    1080/60i

    ,

    1080/59.94i

    ,

    1080/50i

    ,

    1080/30p

    ,

    1080/29.97p

    ,

    1080/25p

    ,

    1080/24p

    ,

    1080/23.98p

    ,

    1080/30pSF

    ,

    1080/29.97pSF

    ,

    1080/25pSF

    ,

    1080/24pSF

    ,

    1080/23.98pSF

    ,

    1080/60p

    ,

    1080/59.94p

    ,

    1080/50p

    Delay Settable:
    1 to 19 frames (front panel controls) Frames

    ,

    lines

    ,

    fields

    ,

    milliseconds and samples up to total delay time (SCi software)

    Front Panel Operational Controls & Indicators

    Digital Input Select:
    AES/EBU

    ,

    S/PDIF or TOSlink optical via INPUT 1 & 2 or INPUT 3 & 4 push-buttons

    Delay Control:
    Delay time selection system via front panel push button

    Monitor Select Control:
    Headphone monitor channel select

    Indicators:
    Input presence indicators via bicolour LEDS around each push button

    Rear Panel Operational Controls

    Master Select:
    32

    ,

    44.1

    ,

    48

    ,

    88.2

    ,

    96

    ,

    176.4 or 192kHz Frequency via rear panel DIPswitches

    Sync Source Select:
    INPUTS 1&2

    ,

    INPUTS 3&4

    ,

    AES Sync

    ,

    Word Clock

    ,

    Video Sync via rear panel DIPswitches

    Sync Mode Select:
    Master

    ,

    Auto Sync

    ,

    Auto Lock

    ,

    Slave via rear panel DIPswitches

    Stereo Features:
    Stereo monitor outputs via rear panel DIPswitches

    Monitor Attenuation:
    12dB Monitor attenuation via rear panel DIPswitches

    Serial Mode:
    Enter serial control mode via rear panel DIPswitches

    Boot Mode:
    Boot up base code or firmware via rear panel DIPswitches

    Connections

    Digital Inputs:
    2 x AES/EBU XLR 3 pin female

    2 x S/PDIF RCA phono

    2 x TOSLink optical input

    Digital Outputs:
    2 x AES/EBU XLR 3 pin plug

    2 x S/PDIF RCA phono socket

    2 x TOSLink optical output

    Sync Inputs:
    1 x AES/EBU XLR 3 pin female

    1 x Word Clock BNC

    1 x Video Input (optional)

    Remote I/O Port:
    15 way D-type plug

    Serial Port:
    RS232

    ,

    RJ45 socket

    Mains Input:
    Universal filtered IEC

    ,

    continuously rated 85-264VAC@47- 63Hz

    ,

    max 10W

    Fuse Rating:
    Anti-surge fuse 1A 20 x 5mm

    Equipment Type

    RB-DD4:
    4 channel digital audio delay

    Physical Specifications

    Dimensions (Raw):
    48cm (W) x 10.8cm (D*) x 4.2cm (H) (1U)

    19” (W) x 4.3” (D*) x 1.7” (H) (1U)

    Dimensions (Boxed):
    59cm (W) x 27.5cm (D) x 11cm (H)

    23.2” (W) x 10.8” (D) x 4.3” (H)

    Weight:
    Nett: 1.4kg Gross: 2.0kg

    Nett: 3.1lb Gross: 4.4lb

    Accessories

    RB-SYA:
    Analogue video sync board (NTSC

    ,

    PAL & SECAM)

    RB-SYD:
    Digital video sync board (SD-SDI & HD-SDI)

    RB-RK3:
    1U Rear panel rack kit for large Redboxes
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    Sonifex RB-PD2 Dual Channel Profanity Delay Unit Front Panel

    Sonifex RB-PD2

    In stock

    Original price was: $ 4,144.74.Current price is: $ 3,852.45.
    Add to Cart
    Weight 2.3 kg
    Dimensions 59 × 278 × 11 cm
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    specification

    Technical Specification For RB-PD2

    A/D Specification

    Maximum Input Level:
    +28dBu

    Input Impedance:
    > 10kΩ bridging

    Analogue & Digital Input Levels:
    Selectable +12dBu

    ,

    +18dBu

    ,

    +24dBu for FSD

    Analogue Pre-set Input Gain Range:
    Adjustable 3dB loss to 3dB gain (L & R adjust)

    Signal to Noise:
    Better than -101dBFS (RMS A-weighted at 24bit)

    Dynamic Range:
    > 110dB

    Distortion & Noise:
    > 96dB THD + N at 1kHz

    D/A Specification

    Maximum Output Level:
    +24dBu

    Output Impedance:
    < 50Ω

    Dynamic Range:
    > 100dB

    Analogue Output Gain Range:
    Selectable -6dBu to +24dBu output level

    ,

    ref FSD

    Sampling Frequency:
    Selectable 32kHz

    ,

    44.1kHz or 48kHz

    Sample Width:
    Selectable 16bit or 24bit

    Channels:
    Stereo

    Minimum Delay:
    2 seconds

    Maximum Delay:
    Dependent on sample and bit rates selected:

    32kHz:
    16 bit – 55 seconds

    24 bit – 27.5 seconds

    44.1kHz:
    16 bit – 40 seconds

    24 bit – 20 seconds

    48kHz:
    16 bit – 37 seconds

    24 bit – 18.5 seconds

    Rear Panel Connections

    Analogue Inputs:
    2 x XLR 3 pin female (balanced) (L & R)

    Analogue Outputs:
    2 x XLR 3 pin male (balanced) (L & R)

    Digital Inputs:
    1 x AES/EBU XLR 3 pin female

    Digital Outputs:
    1 x AES/EBU XLR 3 pin male

    Remote I/O Port:
    15-way ‘D’-type plug

    ,

    8 GPI inputs

    ,

    6 GPI outputs

    Serial Comms Port:
    9-way ‘D’-type plug

    Mains Input:
    Filtered IEC

    ,

    continuously rated 85 – 264VAC

    ,

    47 – 63Hz

    ,

    fused

    ,

    60W peak

    ,

    30W average

    Fuse Rating:
    Anti-surge fuse 2A 20 x 5mm

    Front Panel Controls

    Display:
    Vacuum fluorescent display

    Direct Control Push-Buttons:
    Build Delay

    ,

    Exit Delay

    ,

    Cough

    ,

    Audio Bypass & Dump/Drop

    System Navigation:
    Rotary selector with integral push-switch

    Removable Audio Storage Device:
    Compact Flash™ memory card port (supporting up to 2GB)CF™ card used must be PIO type 4 or higher

    Equipment Type

    RB-PD2:
    Stereo profanity delay

    Physical Specification

    Dimensions (Raw):
    48cm (W) x 15.8cm (D*) x 4.3cm (H) (1U)

    19” (W) x 6.2” (D*) x 1.7” (H) (1U)

    Dimensions (Boxed):
    59cm (W) x 27.5cm (D) x 11cm (H)

    23.2” (W) x 10.8” (D) x 4.3” (H)

    Weight :
    Nett: 1.7kg Gross: 2.3kg

    Nett: 3.7lbs Gross: 5lbs