Stinger linear amp like the old classic but better than ever!!! 4-5w deadkey and 35-40w pep MAX INPUT. Can installed inside most radios or mount in your choice of case to use as a standalone modulator/driver amplifier. All amplifiers are hand built and bench tested to guarantee you receive a proper working amplifier. (NOTE RADIO LID IS NOT INCLUDED, IT IS JUST FOR REFERENCE FOR FITMENT) (Not for CB 27mhz).