Please ask Chengdu where there ~ sell audio, amplifier. Where is the address.

Auoke Audio - No.5 Huada Electrical Appliance Market, Chenghuangmiao, Huapu Road, Jinniu District, Chengdu City, Sichuan Province

. Chengdu Dafa Electrical Appliance Market 4th Trading Area - No.2, Qijia Lane, Jinjiang District, Chengdu, Sichuan Province Chengdu Dacheng Professional Electrical Appliance Market No.37, Dong Yulong Street, Jinjiang District, Chengdu, Sichuan Province