New Magnum 257 with Echo and Talkback

President Export Radio on Amazon: https://amzn.to/2F9EgNi AnyTone Export Radio on Amazon: https://amzn.to/2Fa64Bc http://www.cbradiomagazine.com - We got our hands on a new test version of the Magnum 257HP that has an all mode talkback circuit now added to the radio. Magnum modified a echo microphone that will be sold as the 257 Extreme Echo mic and this new microphone will give you variable talkback and variable echo in the radio.