Product DescriptionHB-12*Digital amplifier* Output power: 20W*2 (40W)*Master volume, high and low bass adju Home Theater Karaoke Trolley PRO Audio PA Speaker Sound Box with DJ Woofer Multimedia Wireless Microphone FOB price, Payment, OEM information, wholesale Professional Audio from chinapanies factories on …AVAILABILITY: In stock. Compare. Compare. Home Theater Systems, Uncategorized. Mission-cube + SE 5.1. Mission M-Cube+SE 550W RMS 5.1-Channel Home Theatre Speaker System Package with 3” Full Range Compact Satellite Speakers, Powerful 8″ Active Subwoofer, Desk uded.. Was established in 1997, produced the Speaker. In 1999, we registered the brand " G-CHANTZ" in Chinese and English, and added the Home Theater Audio, the Professional Audio and the Car Audio step by step. In 2000, we began to develop the international market. In 2007, we moved to the new factory with the area of 20K m2.This on-wall, in-ceiling auditorium sound system under $9000 features crystal clear in-ceiling speakers, wide coverage PA speakers, easy to use Bluetooth mixer amplifier, a portable powered mixer, wirelessbo microphone system, and media player. This system provides exceptional sound for public address or musical performance applications.