AmpliVox Belt Blaster PRO Personal Waistband Amplifier Black. This system is worn like a belt and Perfect for a teacher trainer or presenter who has a weakened voice or needs a moderate improvement in sound coverage and voice clarity. Can be used outdoors as well as indoors. Adjustable volume control. Includes Heavy duty nylon carrying case and 40in adjustable waistband belt. Uses 6 AA alkaline batteries (not included) Specifications for AmpliVox Belt Blaster Personal Waistband Amplifier: Manufacturer: AmpliVox Color: Black Features of AmpliVox Belt Blaster Personal Waistband Amplifier Belt Blaster portable battery powered mini PA system you wear like a belt. 5 watts maximum sound output; up to 17 dB gain Includes headset and lapel (clip-on) mic Adjustable volume control Heavy duty nylon carrying case 40 adjustable waistband belt. Uses 6 AA alkaline batteries (not included) Package Contents: AmpliVox Belt Blaster Personal Waistband Amplifier S206 Belt Blaster Amplifier System Headset and lapel (clip-on) microphone Heavy duty nylon carrying case 40" adjustable waistband belt AmpliVox S207: Belt Blaster PRO Personal Waistband Amplifier Black