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ROBOfiber (2) XLR Balanced Audio Channels over an single strand of Fiber (Sold as a Tx & Rx Pair)

ROBOfiber (2) XLR Balanced Audio Channels over an single strand of Fiber (Sold as a Tx & Rx Pair)

SKU: ROBOfiber XLR Audio Fiber Extender Series

Product Information

Product Documents

The RB-AUDIO-02 is a two channel XLR balanced audio ports extender over fiber optic. Unit supports broadcast quality audio signal and requires only one single strand of fiber, singlemode or multimode type. The Transmitter unit has audio XLR female connectors, while the receiver has XLR male type connectors. The fiber optic system uses a 16bit digitally encoded mechanism that ensures highest broadcast quality for the audio signal. Frequency spectrum is 10Hz to 20kHz, providing high fidelity quality to the audio transport.

The RB-AUDIO-02S-T transmitter unit must be matched with the RB-AUDIO-02S-R receiver unit and are sold as a pair. A single strand of fiber, either SM type up to 20Km or MM type up to 2Km reach can be used between transmitter and receiver. An AC adapter with wide 85-240V AC input and stable DC 12V/1A output is included with each transmitter and receiver units.


  • Extends two XLR audio signals at broadcast quality levels over fiber
  • Single strand of fiber required
  • Operates on SMF (singlemode fiber) up to 20Km reach
  • The RB-AUDIO-02-T is a transmitter unit with two XLR female connectors
  • The RB-AUDIO-02-R is a receiver unit with two XLR male connectors
  • Frequency response of 10Hz~20kHz @ +/- 3dB
  • Signal to Noise ratio > 90dB
  • Supports Single-Mode Fiber distance up to 20 km or Multi-Mode Fiber distance up to 2 km over one strand of fiber only with SC Connectors
  • Distortion less than 0.05%
  • Audio Level 16dBu
  • Impedance In(bal): 600 Ohms+
  • Impedance Out(bal): ˂ 10 Ohms+
  • Power Supply: AC 85-260V input with DC 12V/1A output (included AC adapter)
  • Power Consumption: <5W
  • LED status for Power and Fiber Link

Additional information

Weight N/A
Dimensions N/A
Fiber Type


PVC-coated Products; PVC-coated Wires and Cables

WARNING: This product may expose you to chemicals including DINP and/or DEHP, which are known to the state of California to cause cancer and birth defects or other reproductive harm. For more information go to or our information page: California Proposition 65 Info.