a) Features:

1)UHF wireless stereo headphone with 915MHz/863MHz ISM Band

2)Operation distance up to 100 meters with latest UHF/RF wireless technology

3)Several headphones can be used simultaneously with one transmitter

4)Built-in 40mm mylar speaker

5)Auto mute and auto tune function available for headphone.

6)Active noise reduction system for crystal clear sound

7)Double PLL system for ultimate frequency stability

 

b)Specifications:

1)System: UHF/RF

2) Carrier frequancy: 914/914.5/915 MHz

3) Modulation: FM

4)Mode: stereo

5)Output power: <10 mW

6)S/N ratio: ≥75dB

7)Channel separation: >50dB

8)Distortion: <1%

9)Frequency response: 30 - 20,000Hz

10) Power supply of transmitter: DC12V 150mA

11) Power supply of headphone: 2*AAA (Optional rechargeable battery)