OEM Portable USB Wireless PA Speaker System

1. Portable voice amplifier equipment for teachers, schools
2. Wireless handheld MIC, headset microphone for choice
3. Multi storage input jack---USB & SD CARD

FEATURES
1. One 3.5mm AUX input can be connected to a computer or MP3 player or other such sounds source.
2. With USB port and SD/MMC card slot which can connect flash drive, MP3 player, SD/MMC card to play MP3 music.
3. Built-in 1× 12V/4.5Ah rechargeable battery
4. Built-in two channel wireless microphones and one 6.35mm MIC input jack to connect wired dynamic MIC. Three persons can speak or sing at the same time.
5. One 6.35mm guitar input can be connected to guitar.
6. Four kinds of music EQ, music volume controls
7. MIC Echo/tone/volume controls
8. Powered externally with AC, DC 12V or internally with built-in rechargeable battery.

SPECIFICATIONS
AMPLIFIER
Speaker: 1× 6.5" full range speaker
Output Power: 50W max
Frequency Response: 100Hz~15 kHz
S/N ratio: 60dB
Power Supply: AC85-265V/50-60Hz, DC in 12V
Built-in rechargeable battery
Battery charging time: 6~8 hours
Battery working time: 3~6 hours
Frequency Range: 210~270MHz
Operating Range: 50M (line and sight area)
Dimensions (W× L× H): 205*170*270MM
Weight: 3.85KG

TRANSMITTER
Frequency Range: 210~270MHz
Dynamic Range: 80dB
Frequency Response: 100Hz~10 kHz
Working Temperature: --10 ° C~45 ° CPower Supply: 9V battery
Battery life: 10 hours