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Author Topic: Wireless distribution of line level audio to remote speakers  (Read 4301 times)

Mal Brown

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Wireless distribution of line level audio to remote speakers
« on: October 21, 2017, 06:07:49 pm »

I'll be purchasing this off season, would like to be able to transmit 2 channels.  Clearly the new FCC Regs regarding the 600 MHz band are a consideration.  Any vendor I buy from will have to answer that...  Investment level is a factor but quality is as well...  What are the options and trade offs?
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Jerome Malsack

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Re: Wireless distribution of line level audio to remote speakers
« Reply #1 on: October 21, 2017, 06:28:58 pm »

Most people would work this as a pair of IEM receivers with a stereo Transmitter.  Then make you cable for the receivers to the powered speakers. 

You can pick the usual IEM providers, shure, sennheiser, audio technical, to name a few. 
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Mal Brown

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Re: Wireless distribution of line level audio to remote speakers
« Reply #2 on: October 21, 2017, 08:14:10 pm »

Are there good, better, best amongst the iem systems ?
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Dan Currie

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Re: Wireless distribution of line level audio to remote speakers
« Reply #3 on: October 22, 2017, 12:30:16 am »

How far are you looking at transmitting?  Mono? Stereo?  More info on what you are trying to do with details will help.


Are there good, better, best amongst the iem systems ?
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Mal Brown

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Re: Wireless distribution of line level audio to remote speakers
« Reply #4 on: October 22, 2017, 07:23:59 am »

 I'm guessing  150 to 200 feet ...  maybe 300 at the limit. 2 channels a spec' above.could be stereo, could be dual mono.  Most often dual Mono.
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Don T. Williams

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Re: Wireless distribution of line level audio to remote speakers
« Reply #5 on: October 22, 2017, 05:58:09 pm »

The Alto Stealth system is designed for this very purpose.  I've used it successfully to about 200' distance outdoors, but only a few times.  The Neutrik XIRIUM PRO system is also designed for this purpose and has a much longer range . . . and much higher price!
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Henry Cohen

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Re: Wireless distribution of line level audio to remote speakers
« Reply #6 on: October 22, 2017, 09:05:54 pm »

I'm guessing  150 to 200 feet ...  maybe 300 at the limit.

If your distance is only 300', and unless there are extenuating circumstances (going across a river or deep ravine, significant crowds with no safe cable path), you'll be far better off running two balanced pairs; it'll be less expensive and almost always far more reliable.

That said, if the feed is critical, using higher end equipment will provide the level of performance and reliability needed:
Lectrosonics IFBT-4 transmitters (in 400 series mode) along with any 400 series receivers; or
Shure PSM900 or 1000 in PtP mode and UHF-R receiver (or Axient set to UHF-R mode).
Use an appropriate antenna (omni or directional) for the TX, and passive high gain directionals for the RX, along with low loss coax. 
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Henry Cohen

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Ray Aberle

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Re: Wireless distribution of line level audio to remote speakers
« Reply #7 on: October 23, 2017, 12:44:48 am »

Mal, when I get back from Wisconsin, let's meet up with gear and play around a bit- I'd be happy to go over various options with you!

-Ray
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Mal Brown

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Re: Wireless distribution of line level audio to remote speakers
« Reply #8 on: October 23, 2017, 01:34:24 pm »

Thanks Ray, You've been on my meeting list for a while.

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Mal Brown

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Re: Wireless distribution of line level audio to remote speakers
« Reply #9 on: October 23, 2017, 01:35:18 pm »

The Alto Stealth system is designed for this very purpose.  I've used it successfully to about 200' distance outdoors, but only a few times.  The Neutrik XIRIUM PRO system is also designed for this purpose and has a much longer range . . . and much higher price!

Appears to be in the FCC no-go band from what I can tell.
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ProSoundWeb Community

Re: Wireless distribution of line level audio to remote speakers
« Reply #9 on: October 23, 2017, 01:35:18 pm »


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