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Wireless PA Amplifier System
Portable Wireless PA System Specification
The new USB PW808 wireless amplifiers, portable speakers, portable amplifiers
Usage: teaching, outdoor activities, shopping malls, auctions, street, square, speaking events, exhibitions, site meetings, seminars ......
External U disk, TF card, MP3 music play directly.
Parameters:
Power: AC 200V 50Hz, DC9V, 500mA ,built-in rechargeable battery(7.4V 2400mAh lithium battery), charging protection circuit design.
Output Power: 100W
Frequency Range: FM 87-108MHz
Transmitter power: 30mW
Operating Range: 35M
Speaker: 6.5inch full-range speaker
Input Interface: USB interface, audio input port, microphone input port.
Product Dimensions: 20*10*27cm
Weight: 1.5KG
Color: China Red .Black, Richie Gold
Standard configuration:
Host 1PC, a pocket transmitter 1PC , a headset microphone 1PC
Remote control 1PC
Packing list : 29*26.5*12cm/1.8kg
Work frequency: 700MHz-860MHz (UHF band)
Frequency stability: ± 20ppm
S/N: ≥ 100dB
Distortion: ≤ 0.5% @ 1KHz
RF power: ≥ 13dBm (20mw)
Power consumption: 45mA (1.5V)
Effective range: 20m
Battery life: 30 hours (an AAA batteries)

BLT-518A ( NEW PRODUCTS)

1. Features
*The product consists of three parts, the wireless receiving amplifier host, pen-shape transmitting microphone, sound box
* PLL frequency synthesizer mode, automatic checking frequency, easy operation.
* Can be used in a campus shared hundreds of equipments, without disturbing each other. Pen-shape Microphone is widely used, can work for each host. Low power consumption, an AA battery can support work for 40 hours or more, it can save costs for schools, and meet environmental requirements.

2, the usage
Open the Pen-shape microphone power within a distance of 2 meters (within the frequency distance). It will automatic check frequency after 3 seconds, then it works normally. When microphone takes off for more than 20 seconds, the receiver will automatically enter the auto frequency checking status.
3, the technical parameters
Frequency range: UHF740 ~ 850MHz
Transmission power: 15mw
Sensitivity: below 3UV
S/N: 90dB
Distortion: 1% (1KHz)
Power consumption: 45mA (1.5V)
Effective range: 20m
Battery life: 30 hours (an AAA batteries)