Sonifex RB-DS2

Name: Sonifex RB-DS2 – Stereo Silence Detection Switcher
SKU: 101521
Availability: InStock

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.

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SKU: 101521 Brand: Sonifex

RB-DS2 Stereo Audio Delay Synchroniser

RB-DS2R Remote Switch Panel For RB-DS2

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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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

Sonifex RB-DS2

Sonifex RB-DS2 – Silence Detection Switcher with Alarm Outputs

✅ Key Features

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