• BFAUDIO BF304D+ PLUS wireless microphone

The specification:

Receiver

                                                                                                 System Specifications

Carrier Wave Frequency range                                                 780MHz--830MHz

Frequency Oscillation Mode                                                     PLL module locked loop design

Channels                                                                                  200CH

Frequency Responses                                                               50Hz---15KHz                          

Working distance                                                                      70m                                   

Frequency Space                                                                      250KHz                                  

Band Width                                                                              50MHz                                   

Carrier Wave stability                                                               ±5PPm10KHz                 

Image Interference Ratio                                                          >80dB                                          

S/N Ratio                                                                                  >105dB(1KHz-A)

Sensitivity                                                                                 -105dBm(12dB S/NAD)

T.H.D.  (1KHz)                                                                        <0.5%,@1kHz

AF Output Impedance                                                              2.2k0

Audio Output Level                                                                  -12dB

Mute                                                                                         Mute & locked loop circuit

Display                                                                                     LCD

Operations Voltage                                                                   12V -14V DC ,600mA

Output  Connector                                                                    1 XLR Balanced Socket

                                                                                                 Unbalance TRS.e56.3mm Socket

UHF PLL Handheld Transmitter

Carrier Wave Frequency range                                                 780MHz--830MHz

Channels                                                                                  200CH

Band Width                                                                              SOMHz

 Frequency Space                                                                     250KHz

Dynamic Range                                                                        >110dB Stability ±0.005°/o

Frequency Deviation                                                                ±48KHz

Spurious Emissions                                                                  <-60dBc

Radio Frequenc Output Power                                                  10mW

Power Consumed•                                                                    120mA@3V                                 

Battery                                                                                      UM3.AA 1.5v X2

Display                                                                                     LCD

Element                                                                                    Dynamic Microphone