Question about Connex Cb Faceplate Sticker-fits 4300-300

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Connex 4300-300 squeals in talk back mode

Doesnt matter where my external speaker is, it squeals

Posted by rev_juniorbe on

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Mike Charette

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Turn rf gain up and the mic gain down until it stops squealing.

Posted on Sep 30, 2012

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Melanie Rogers

  • 219 Answers

SOURCE: i have a connex 4600turbo, just put in a different

Check you're antenna system, its just feed back because the powers not getting out the antenna

Posted on Dec 04, 2009

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1 Answer

Cobra highgear hg75m mic squeals


get it away from the ext . speaker. They are cheap enough ,buy another one and see if it still squeals. If it does then you may have to jump the mic with resistors ,turn down your mic gain, check for talk back on rear where your pa. and external speaker hooks to inside the radio. If you see a resister connecting them then you have talk back . Mainly its a Keep the mic away from the speaker deal that makes them squeal. Try other cobra mics with the same pin out and see if it still happens . easy fix just have to be patient .

Feb 06, 2014 | Cobra 29 LTD CB Radio

1 Answer

My connex 3300 wont transmit anymore and the talk back wont work either,i have tried a different mike and when you key it up the meter still won't swing.


Plug in an external speaker to the pa jack ... Switch the band selector to pa and see if you hear yourself... No? Bad audio chip

Dec 29, 2010 | Connex 3300 240-Channels Base CB Radio

1 Answer

How can i disconnect the talk back on a connex 3300 plus? pleasa be specific on directions. thanks


in older connex 3300's you cannot disable the talk back. Its part of the audio chain. If you disable the talk back you will loose your audio. There are 2 things you can do.

Hook a relay to the speaker so that when the radio key's id disconnects the speaker. (Big pain, not worth the trouble.)

The other will not disable the talk back but it will stop any squealing.

Use a noise canceling mic. An RK-56 will work great. You will get no squealing with that mic.

Oct 19, 2010 | Connex 3300 240-Channels Base CB Radio

1 Answer

Feed back thru external speaker, very bad


Have your antenna checked at a place that knows what they're doing. If your antenna system is bad, ground problem,coax bad mount or maybe just a wrong or bad antenna. Then the sounds not getting out the antenna and its feeding back thur the radio.If your echo board was bad then your radio wouldn't transmitt at all.
If you unplug your external speaker will it squeal? If not do the antenna and if that reads fine just try a better speaker like a uniden 20watt speaker.I own a CB shop and this is easy to fix.

Jul 10, 2010 | Connex 3300 240-Channels Base CB Radio

1 Answer

How do u make the talkbalk louder on a connex 3300hp


There are problems with having a loud talk back. You can get feed back and an annoying squeal when you transmit. That is why the talk back isn't that loud to begin with.

The reason you use talk back is to check your echo, and make sure your mic gain is not too high. It shouldn't need to be that loud to check it.

I highly recommend you leave it at the level that it is.

Oct 31, 2009 | Connex 3300 240-Channels Base CB Radio

3 Answers

Connex 4600 turbo. Poor receive. About 4 mi.


Hi there!!

The Connex 4600 Turbo is a very sensitive radio these radios don't work good at all with the stock microphone! The best microphones are the RK-56 and or the Astatic 636L which most people use and you shouldn't get any squeal. And make sure if that you are using an external speaker get it as far away from the radio as you can facing away from the radio so it wont feedback. As far as a Mod kit there are several ways to modify the radio which most are pretty hard and drawn out. but the most easy that used to be used is as simple as a diode placement in the right place which is old school but still works good. You must be very careful as if you are to slightly touch the wrong points the radio could be destroyed and no longer work so caution is to be taken if you don't know what you are doing please don't try it on an expensive radio!! If you want more info on the mod e-mail me

never the less a Modulation kit or modification wont help your Receive it will only help your Transmit signal!!

Dennis

May 20, 2009 | Connex 4600 Base CB Radio

4 Answers

Connex 4600 Turbo


i have the same radio turn talk back off and there is enough power ull have talk back through you trucks radio speakers and it needs to be hooked up to the battery with at least 12ga wire

Feb 10, 2009 | Connex 4600 Base CB Radio

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