Lynnscorp - Electronics and Karaoke

Best Media BM520U Dual UHF Wireless Microphone System ( BM520 U, BM-520U )
BM-520U provides gorgeous UHF sound quality, and can access up to 200 different channels per microphone. BM-520U system has reliable auto-scan frequency pairing and PLL function to keep away from any interfere environment. In addition, these microphones contain two hand-slip resistant on the end of the microphone to serve not only as identifying purpose but also as slip-prevention. This series also adds two extra slip resistant mounting stars for decorated and fun experience. Thus, BM-520U system is friendly user experience, excellent sound quality, and selective channels to serve any entertaining events.
Best Media UHF BM-520U Multi-Channel Wireless System provides you with excellent performance and durability in a variety of settings, from churches to karaoke room to gymnasium, from concert halls to broadcast booths and stadiums.
This series includes one receiver, two wireless handheld transmitters, power adapter, two extra slip resistant mounting stars, and mounting accessories. BM 520U receiver contains individual volume control for each microphone, and two high definition LCD screen. Fashionable microphone has back-lit LCD display for channel, frequency, and battery strength.
Features:
UHF system with professional frequency
Auto-Scan frequency pairing
Individual volume control for each microphone
Up to 200 Selectable Channels
PLL (Phase Loop Lock) Synthesized System
Long-range transmission available (by switching between High & Low)
Fashionable hand-slip resistant mounting on the end of microphones
Optional Headset and Lavalier can be purchased separately
Specifications:
Overall System:
FCC Mandated frequency range: UHF 800 ~ 850 MHz 
Frequency response:60 Hz - 18,000 Hz 
Oscillation mode: PLL Synthesized 
S/N ratio > 105 dB 
Frequency stability < 10 ppm 
Distortion < 0.5% 
Operating range: up to 328 feet/ 100 meter
Receiver:
Power Supply: DC 12V/600mA 
S/N ratio > 80 dB 
Sensitivity < 12 dB 
Audio Output Connector: Mixed out 1/4" X1 + balanced XLR X 2 
Power consumption: 4 Watts 
Dimensions: 16 1/2" X 8 1/4" X 2" 
Weight: 9 lbs
Handheld Transmitter:
Power Supply: 2 X AA 
Modulation mode: FM 
Maximum Modulation: ±45 KHz 
Output power: 30 mW 
Battery Life: 10 hours (continuous) 
Dimensions: 10 3/4" X 1 1/2" X 1 1/2"
Package includes:
UHF 520U 200-Channel PLL Synthesized Dual Receiver: 1 
Receiver antenna: 2 
UHF 520U 200-Channel Handheld Transmitter: 2 
1/4" - 1/4" Cable": 1 
AC/DC adaptor: 1 
AA Battery: 4 
Rack Mounting Kit: 1 
Extra Slip-Resistant mounting stars: 2
User manual: 1