Distance

 Operation distance up to 50 meters with latest UHF/RF wireless technology

Feature

 Several headphones can be used simultaneously with one transmitter

Loundspeaker

 Built-in 30mm mylar speaker

Shut-off syetem

 Auto mute and auto tune function available for headphone.

Noise-reduction

 Active noise reduction system for crystal clear sound

Indictor

 With different indicator color indicate different channels

System: UHF/RF

Carrier frequancy: 863Mhz/ 865Mhz or 915Mhz/ 917Mhz

Modulation: FM

Mode: stereo

Output power: <10 mW

S/N ratio: ≥75dB

Channel separation: >50dB

Distortion: <1%

Frequency response: 30 - 20,000Hz

Power supply of transmitter: DC12V 150mA

Power supply of headphone: 200mAh Build-in lithium battery