![Amazon.com: DELTA EC1 Dynamic MIC Amplifier/Echo Chamber w/Roger BEEP 4 pin Cobra CB HAM : Electronics Amazon.com: DELTA EC1 Dynamic MIC Amplifier/Echo Chamber w/Roger BEEP 4 pin Cobra CB HAM : Electronics](https://m.media-amazon.com/images/I/41jr6l58nZL._AC_SY1000_.jpg)
Amazon.com: DELTA EC1 Dynamic MIC Amplifier/Echo Chamber w/Roger BEEP 4 pin Cobra CB HAM : Electronics
![CB Accessories - Microphones - Echos, Noise Toys & Fun Mics : NO LONGER AVAILABLE - Euro CB EC-990 Echo Chamber - Cybernet 4 Pin (YouTube Demo Video!) CB Accessories - Microphones - Echos, Noise Toys & Fun Mics : NO LONGER AVAILABLE - Euro CB EC-990 Echo Chamber - Cybernet 4 Pin (YouTube Demo Video!)](http://www.4x4cb.com/imageviewer/accessories/EC990_1.jpg)
CB Accessories - Microphones - Echos, Noise Toys & Fun Mics : NO LONGER AVAILABLE - Euro CB EC-990 Echo Chamber - Cybernet 4 Pin (YouTube Demo Video!)
![Electronic Monkey on Twitter: "Roger Beep RB-1 Board - Rev. 1.2 Board CB/Ham radio dynamic range compression,voice echo,customized roger beep sound. http://t.co/BWlAyESu" / Twitter Electronic Monkey on Twitter: "Roger Beep RB-1 Board - Rev. 1.2 Board CB/Ham radio dynamic range compression,voice echo,customized roger beep sound. http://t.co/BWlAyESu" / Twitter](https://pbs.twimg.com/media/A1dQpC5CEAAe3k2.png:large)
Electronic Monkey on Twitter: "Roger Beep RB-1 Board - Rev. 1.2 Board CB/Ham radio dynamic range compression,voice echo,customized roger beep sound. http://t.co/BWlAyESu" / Twitter
![12-24VDC MOBILE CB RADIO WITH SELECTABLE 3-COLOR FRONT PANEL, LCD MULTI-FUNCTION DISPLAY, ROGER BEEP, DUAL WAT - Walmart.com 12-24VDC MOBILE CB RADIO WITH SELECTABLE 3-COLOR FRONT PANEL, LCD MULTI-FUNCTION DISPLAY, ROGER BEEP, DUAL WAT - Walmart.com](https://i5.walmartimages.com/asr/dff6c57a-ba7b-45be-a540-6cc29b475e61.2193462bd84fd2d0b5746a2daf984a84.jpeg)
12-24VDC MOBILE CB RADIO WITH SELECTABLE 3-COLOR FRONT PANEL, LCD MULTI-FUNCTION DISPLAY, ROGER BEEP, DUAL WAT - Walmart.com
![President ADAMS Compact AM Mobile CB Radio with 7 Color LCD Display Talk-Back Roger Beep & Auto Squelch - Walmart.com President ADAMS Compact AM Mobile CB Radio with 7 Color LCD Display Talk-Back Roger Beep & Auto Squelch - Walmart.com](https://i5.walmartimages.com/asr/940647e7-67f0-4d18-99e4-40a8a1f625bb.f6267c57635b53d4d8cf5cdedb195044.jpeg)