Wireless VoiceBooster TK9400 22watt Voice Amplifier

Use with the included wireless or wired microphones. Small, powerful, and with excellent clarity. It can be worn around the waist and hung on a shoulder with the included strap. Built in FM radio and MP3 player. Model:VoiceBooster TK9400 Color: Black Peak Power output: 22 Watts Frequency response: 100hz~15khz ± 1db Power Input: 9.5v —-400MHA  Battery Working Voltage: 7,4V Dimensions: 4 x 2.5 x 4 inches Power Source: Built-in Lithium Rechargeable batteries Battery Life: 12-15 hours of continuous use, 2-3 year life (replacements available) Also included: Wireless headset microphone, Wired headset microphone, Amplifier Charger, Wireless headset charger,  Auxiliary cable (male to male 3.5mm), adjustable waist band, Carry bag. Possible Uses: Costumes, Props, Electronic sound effects, MP3 player, Teachers, Professors, Ministers, Coaches, Tour guides, and Presentations. Features Rechargeable lithium batteries that last 12-15 hours of continuous use before needing a charge. Batte