Saw this on a 'deal' site I frequent:
https://www.amazon.com/dp/B00024DIDK...oding=UTF8&me=
- 40-channel, 4-Watt CB radio is perfect for novices and seasoned CB users
- CB/PA switch allows CB to be used as a Public Address System when paired with a PA speaker
- RF Gain adjusts reception sensitivity range for clear communication
- Easily installs in most cars, trucks and RVs
- Three-year limited warranty