UHF/RF wireless headphone

UHF/RF wireless headphone

Features:
1)3 channel UHF wireless stereo headphone for Car
2)3 channel UHF wireless stereo transmitter for car
3)Distance from 10m to 100m up to customer requirements
4)Active noise reduction system
5)Auto mute and auto tuning function
6)Auto power on/off function for

transmitter
7)Double PLL system
8)Many headphones can be used simultaneously with a transmitter

Specifications:
1) System: UHF/RF 
2) Carrier frequency:  
   A: Europe   863.3 ; 863.9 ; 864.5MHz
   B: America  914   : 914.5 :  915MHz
   C: Global   2.4GHz 
3) S/N ratio: 75dB 
4) Mode: stereo 
5) Channel separation: 35dB 
6) Distortion: 1% 
7) Frequency response: 30 - 20,000Hz
8) Power supply of transmitter: DC12V24V  150mA
9) Power supply of headphone: 2 x AAA Batteries