National 2 Way SM6-K Heavy Duty Low Cost Speaker MicKenwood SM6 K N2W Speaker Microphones are the best value solution whether you require a small lightweight speaker mic for retail or hospitality or standard size for public safety industrial or security Worn on the shoulder this simple to use speaker mic is easy to hear through front facing high quality speaker yet provide clear crisp communication with the speech tuned directional microphone Features. Compact HeavyDuty Design. Extra Long HeavyDuty