model
|
IR-201M (Handheld infrared wireless microphone)
|
Use the microphone
|
A single point of electronic condenser microphone
|
Red
outer
hair
emitting
portion
points
|
wavelength
|
870nm
|
Modulation
|
Frequency Modulation
|
Carrier frequency
|
3.100MHz
|
Distance
|
Approximately 15m
|
Audio signal
|
32.768 kHz
|
Maximum input sound pressure
|
± 4.8kHz (1 kHz, the input is 90dB SPL)
|
Maximum input sound pressure
|
126dB SPL
|
Frequency response
|
100 ~ 10kHz
|
Pre-emphasis
|
300μs
|
battery
|
AA batteries or alkaline battery x2
|
Battery duration
|
About 6 hours (when using alkaline batteries, continuous use)
|
Operating temperature range
|
0 ℃ ~ + 40 ℃
|
Operating humidity
|
30% ~ 85% RH
|
Exterior
|
Operating unit: ABS resin, metallic gray paint
filter: transparent dark black
|