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Sports and Recreational Events - For discussion of radio communications used in sports and recreational events. For example, NASCAR, NFL, PGA, Indy, Moto GP, etc. For track or stadium specific comms please use its Regional forum.

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Old 08-06-2018, 7:43 AM
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Lightbulb Multiple scanner to one headset.

Looking to use four BC125AT at airshow and NASCAR races would like to use one headset. I can't seem to find a belt pack type mixer. I have two 20,000mah usb power packs that power the scanners. I could add another to power a mixer. Please help. Thx.
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Old 08-06-2018, 9:27 AM
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This 4-channel NADY unit might work for you ... it runs off of a 9-volt battery or an external 9-volt input. Note that it is just a mixer; it does not contain an amp.

https://www.amazon.com/Nady-MM141-NA.../dp/B0009X9H9I

https://www.nady.com/products/mixers/mm-141/

Maybe carry it in a zippered belt pack?
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Old 08-06-2018, 9:34 AM
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That mixer will require ground loop isolators on every input if all the scanners are running off the same power supply.
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Old 08-07-2018, 4:25 PM
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Ive tried many set ups, but the simplest seems to work best. I can cope with 3 scanners, 4 might be tricky. For my set up i use a 3.5mm to L/R RCA cable, with mono RCA to 3.5mm connectors into a scanner each. That feeds a set of in-ear headphones, with true left and right signals to help reduce mental overload and help figure out what I'm hearing. I then have a headset that sits over both ears fed by a 3rd scanner. I usually run this stereo to help pick up the 3rd scanner transmissions (it's rare that all 3 scanners are open simultaneously). You could use a stereo headset with a L/R split in the same way in use my in-ear headphones to get 4 feeds?

Last edited by jhampton2000; 08-07-2018 at 4:33 PM..
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