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The XLR audio fiber extender signal can be outputed to the power amplifier, but the power amplifier audio source can not output the audio source signal to the fiber extender, otherwise the fiber extender will be burned.
We suggest that user use the short optical fiber cable to do first time test to ensure that all the functions of the equipment are normal, and then do long-distance transmission.
Optical Port:
Optical connector: LC
Wavelength: 1310nm and 1470nm~1610nm (selected according to the function of the device).
Transmitting optical power: more than -7db.
Receiving sensitivity: more than -24db
Fiber: single fiber multi-mode (MM) or single-mode (SM).
Transmission range: 0-20km for SM, 0-500m for MM.
Optical fiber type: universal 9/125u single mode, 50/125u or 62.5/125u multimode.
XLR Audio Ports:
Number of Channels: 2 bi-directional
Audio physical interface：
Transmitter: XLR connector and 6.5mm audio line (dual use).
Receiver: XLR connector
Signal level：0-8Vp-p
Dynamic bandwidth：101 dB
Total harmonic distortion (THD)：-90 dB
Frequency of sampling：192 KHz
Audio A / D sampling：24 Bit
Noise-signal ratio (SNR)：100 dB
Amplitude-frequency characteristic：≤±0.5 dB
Audio input / output impedance ：And 600 Ω in equilibrium
Audio maximum input / output voltage：0~4V /0~2.5V
Audio gain：±0.1 dB
Maximum input level: ≥9.5 dBm
Nonlinear distortion: ≤0.2%
Audio interface level III lightning protection, reaching IEC61000-4-5 (8/20μs) Differential mode: 6KV.
General Spec:
Working temperature: -20°C ~ +70°C.
Storage temperature：-40 to 80°C
Relative humidity:5 to 95% (non-condensing)
Working life: more than 1,0,000,000 hours
Support wide range working Voltage: AC100-240V 50/60Hz, DC12V
Power plug：US/EU/UK/AU standard is optional.
Dimension: 167mm(L)×114mm(W)×45mm(H).
Package include:
1x Balanced XLR Audio Fiber Transmitter
1x Balanced XLR Audio Fiber Receiver
2x Power supply adapter (US standard)
1x FREE 3M Fiber patch cord
1x Manual.
letmepicyou
Reviewed in the United States on April 9, 2025
I've tried various wireless XLR transmitters, but invariably there's always a tiny delay you have to account for.This is the solution you're looking for if you're trying to get 4x XLR signals from location A to location B, and are tired of struggling with delays. With this, I've forgotten about my wireless XLR transmitter, this is better in every way.It's rated for 12 miles with a single mode cable (!), and around 1/4 mile with a multi-mode cable. Full disclosure, I doubt I'll ever come NEAR the 12 mile limit this can deliver with a SM fiber cable. That's like, if you want to have a live band playing in your garage, but want to send the signal to a club the next town over. This can actually do that, if that's what you desire.I have no idea if there is any difference between using an SM vs MM cable in terms of sound quality, but my instinct says no, because the microphone inputs should be unidirectional, and so a multimode cable really shouldn't see bi-directional data flow. So even though I haven't tried both kinds of cable, my somewhat informed opinion on the subject says it shouldn't matter one iota which type you use.One thing I'm quite happy about is the fact they include SFP modules, no need to add your own or worry about compatibility. That's a big concern you don't have to worry about.In all, I'm quite happy with these because there is absolutely zero lag to account for, and the quality seems excellent! Whether you need to send 4x XLR signals 40 feet or 4 miles, this will do it without delay. 5 stars.
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