Use: Home Theatre, Portable Audio Player, Mobil... Channels: 6 (5.1) Special Feature: Wireless, Portable Display: LED screen Specification:(1) Good appearance and design 5.1 acoustics system.(2) Excellent sound effect stereo system.(3) Adapt to many kinds of audio devices, such as laptop , computer, mp3, mp4, mobile phone.(4) High-efficience professional digital vedio amplifier.(5) USB, SD card, ...