Portable Voice Amplifier Megaphone Mini Audio Speaker With Microphone Rechargeable Ultralight Loudspeaker For Teachers
Featuers:
1. SHIDU Patented Appearance;
2. Stylish, Ergonomic And Comfortable Design;
3. High Power Double Magnetic Trumpet --- More Clear And Penetrating;
4.Singnal Transmission More Fast And Stable;
5. Wired MIC With Built-In High Quality Lithume Battery;
6. OLED Screen，Adopt 3.5 Inch HiFi Double Magnetic Big-Size Trumpet, Maximum Peak Up To 15W;
7. Adopt Shidu Acoustic Amplification Electroacoustic System;
8. Equipped With SHIDU Special Acoustic Microphone --- HiFi Original Sound Amplification;
9. Super MP3 Audio Encoding Technology --- Support TF Card & U Flash Disk;
10. One Touch HiFi Recording;
11. Support AUX --- Can Connect With PC And Work As Speaker;
12. Support FM Stereo Radio.
Speaker parameters
Frequency output: 80HZ-12KHZ
Output power: 68W
High Performance Aluminum Battery: Dual 7.4V 4500mAh
Speaker: 5-inch full-range speaker
Product size: 14cm X 8cm X 15cm
Play mode: AUX/U disk/TF card
Charging requirements: DC10V
Neck-mounted wireless microphone parameters
Carrier frequency: 500Mhz-980Mhz (optional)
Modulation method: digital modulation
Frequency Response: 30Hz-18KHz
Dynamic Range: 96dB Delay: 2. 5ms
Transmitter power: 10mW
Transmitter use time: 5 hours 3. 7V 400mAh
Charging time: 2 hours
Signal-to-noise ratio: 96dB
Distortion: <0.1%
Frequency points: 16
Receiver sensitivity: -96dB
Receiver usage time: 5 hours 3. 7V400mAh
Charging adapter: 5V 800mA
