TR619 Portable UHF Megaphone Voice Amplifier — 3W / 5W, FM 50-108MHz, Recording, MP3 Player (USB/TF), Teacher Microphone

Overview: The TR619 is an upgraded UHF wireless voice amplifier designed to project your voice clearly in crowds or open spaces while protecting your throat. It delivers 5w clear, soft sound with an effective reach of about 50m and is compact and easy to carry. Audio & Playback: Functions as an MP3 player compatible with TF (Micro SD) cards and USB flash drives. Playback features include single-track repeat, full-album loop, and manual track switching. A 3.5mm AUX input and included AUX cable let the unit act as a wired speaker for phones or computers. Radio & Reception: Built-in FM band receiver (50-108MHz) supports manual scanning and station storage. The telescopic antenna improves signal stability and clarity. Recording & Effects: One-click recording lets you capture voice memos, lessons, or personal notes anytime. Built-in reverberation enhances sound warmth and presence when used appropriately. Power & Portability: Serves as a portable charger for phones when needed. The rechargeable battery charges via USB in around 4-6 hours and provides approximately 3-4 hours of continuous use. The unit is lightweight and pocketable—size 87*129*46mm, weight 222.6g—and includes a back clip and waist band for comfortable carrying. Connectivity & Use Cases: UHF wireless microphone capability makes it ideal for teachers, presenters, tour guides, and outdoor events. Also useful as a compact loudspeaker box for amplifying external audio sources.