Keep on question for the true sound

Specifications

WIRELESS MICROPHONE

BJ-U200(RECEIVER)
Type : Double Superheterodyne
AF Frequency :640MHz - 690MHz

Channel : 200 Ch (0-99 Ch + 100-199 Ch)
Sensitivity : 12 dB uV (80 dB S/N)
Distortion : 0.5 %(Max)
Dimensions : 420 (W) x 45 (H) x 165 (D) mm
Weight : 1.42 Kg
Power Voltage : 100V - 240V AC 50/60Hz(AC Adapter)

BJ-M200(MICROPHONE)
Microphone type : Dinamic type
Dimensions : Φ52 X 252 (H) mm
Weight : 350g ( Include two batteries ）