USB, SD card player sound box teaching speaker wireless megaphone HongYun HY-2078U

Use for morning exercise, teaching, outdoor activities, scenery, commentary, shopping mall, at the auction, the streets, squares, lecture activities, exhibitions, will, seminars, , , sound amplification, and may also be external U disk, SD card, MP3 direct broadcast music.

Performance parameters
1. Power supply: AC 200 V frequency 50 Hz, DC12V, built-in 12 V 1.2 AH rech-argeable batteries, charge function design, battery protection circuit design.
2. Output power: 50 W (peak power).
3. Frequency range: VHF 180-270 MHz.
4. Transmitter power: 30 mW (maximum).
5. Operation scope: 35 M.
6. Horn: 6 inches full range speakers.
7. Input interface: USB, SD card interface, audio input port, the microphone input port.
8. Overall size: 180 x300x110mm.
9. Weight: 2.4 KG.
10. Color: White.

Include: One amplifier, one Pockets launcher, one lavalier MIC, one headset MIC, one 9Vbattery and one power line.