86-768-2503216,13600121148
Bogongya Section, Woshi Village, Qiaodong St., Chaozhou, Guangdong, China (Mainland)
YW-830 AC220V/DC 12V portable amplifier with microphone, US $ 9.5 - 11 / Piece, 20Hz 20kHz of, 4 CH, Guangdong, China.Source from Chaozhou Qiaodong Yongwei Electronic Factory on Waimaotong.com.