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Pyle Portable Megaphone Speaker Pa Bullhorn-Built-In Siren, 50W Adjustable Volume Control &1200 Yard Range-Ideal For Any Outdoor Sports,Cheerleading Fans & Coaches Or For Safety Drills - Pmp52BtPyle Portable Megaphone Speaker Pa Bullhorn-Built-In Siren, 50W Adjustable Volume Control &1200 Yard Range-Ideal For Any Outdoor Sports,Cheerleading Fans & ..

Portable Bluetooth Voice Amplifier, Voice Amplifier for Teachers Lightweight Personal Microphone with Speaker Wired Headset, Apply to classroom, Elderly, coaches, Training, Presentation, Tour guideKozyOne - Professional anti-howling voice amplifier 1 The double voice coil and high power loudspeaker, low weight, bring clear sound, strong penetrating..

Portable Voice Amplifier SHIDU Personal Microphone Headset for Speaking Rechargeable Mini Pa System for Teachers Tour Guides Coaches Classroom Singing Yoga Fitness InstructorsSHIDU portable mini voice amplifier 10W is a favorite device among teachers, tour guides, and outdoor enthusiasts etc who need to stay in contact with large groups Its high-po..

WinBridge WB001 Portable Voice Amplifier with Headset Microphone Personal Speaker Mic Rechargeable Ultralight for Teachers, Elderly, Tour Guides, Coaches, Presentations, TeacherWired Voice Amplifiers:WB001: (The Lightest Portable with Waist clip,Black) HotestWB002: (FM, Recording, Aux, TF card with Waist clip, Black, Blue)WB003: (18W High-Power PA ..

NORWII Portable Rechargeable Mini Voice Amplifier with Wired Microphone Headset & Waistband, Personal Voice Amplifier for Teachers, Presentation, Tour guides, Meeting, coachesSpecifications:Output Power: 10WLoudspeaker: A3 inches 2 ohmic magnetic speakerUsing Time: A18-20hourscharging Time: 3-5 hoursFrequency Response: 120Hz-15KHzBattery: 37V2000mA..