DUAL CHANNELS 2.4G DIGITAL WIRELESS MICROPHONE

• ● Support multiple machines used at the same time
• ● No compress, return to original voice
• ● Built in low-pressure and low noise professional amplifier circuit
• ● 44.1k sample rate, 24BIT sample size, ensure the wide dynamic range
• ● High performance 192K/24BIT DAC
• ● Private and security adress code match, high secure communications
• ● Synchronous transceiver of the dual channels, high frequency hopping  technology, avoid the interference and wiretap from others 2.4G systems
• ● Can be connected with bluetooth , WLAN and other 2.4G digital modulation devices for use at the same time
• ● Minimum 2V low voltage power supply, 2 pieces of AA batteries can be lasted for 38 hours
• ● The effective range is over 20 meteres, be applied in big KTV room
• ● High power compatible, the effective range can be adjusted to 50 meters without changing the circuit
• ● Comply with CE 300 328 and FCC 15.247

Parameters WR-248  Handheld Transmitter
voltag            DC 2-3.5V
peak working current   65mA
sample size         24 BIT
sample rate          44.1Khz
output         <600 MVpp
output/input gain    5:1
output impedance         10K Ω
frequency response         20—20K Hz
Dynamic range         110 dB
Distortion             0.04 %
S/N           95 dB
frequency range         2400——2483.5 MHz
modulation        GFSK
frquency control    双频同步，多组频率分组
non-repeated frequency no.  38 个
rate of speed        2 Mbps
frequency stability      ±10 ppm
receiver sensitivity      8，17dBm
effective rang          KTV>20, 舞台>50 m
temperature -20~+80 ℃

Parameters WR-248 RECEIVER
voltag             2——3.5V
peak working current   65mA
sample size         24 BIT
sample rate          44.1Khz
output         <600 MVpp
output/input gain    5:1
output impedance         10K Ω
frequency response         20—20K Hz
Dynamic range         110 dB
Distortion             0.04 %
S/N           95 dB
frequency range         2400——2483.5 MHz
modulation        GFSK
frquency control    双频同步，多组频率分组
non-repeated frequency no.  38 个
rate of speed        2 Mbps
frequency stability      ±10 ppm

transmitter power        -94 dBm
effective rang          KTV>20, 舞台>50 m
temperature -20~+80 ℃