Acoustic system
closed
Magnet type
Neodymium
Frequency response
9–21, 000 Hz
Speaker diameter
40 mm
Sensitivity
100 dB
Signal/noise ratio
70 dB
Tuner/Reception/Trans mission
Carrier frequency range
863.0 - 865.0 MHz
Modulation
FM
Pilot tone frequency
19 kHz
Effective range
100 m
Number of channels
3
Channel separation
>30 dB
Automatic power off
yes
Operating time
+/- 15 hours
Double PLL
yes
Low battery indicator
yes
Battery charging indicator
yes
Power
Power supply headphone
2 x 1.5 V NiMH R03/AAA
Power supply transmitter
AC/DC adapter 12 V/200 mA